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小木虫论坛-学术科研互动平台 » 材料区 » 晶体 » 基础理论 » 求由Al，Mg，B三种元素组成的合金的晶体结构
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[求助] 求由Al，Mg，B三种元素组成的合金的晶体结构

求由Al，Mg，B三种元素组成的合金的晶体结构，至少含有其中两种元素
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1楼 2013-11-05 14:01:54
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感谢参与，应助指数 +1
三元合金：

1.
Card Information
Names:        Aluminum Boron Magnesium
Formula:        Mg0.5 Al B14
PDF Number:        39-437
Quality:        calculated
Subfiles:        inorganic alloy NBS
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Imam     (no.  74)
a:        5.8480        b:        8.1150        c:        10.3130
Z:        4
Instrument Information
Radiation:        CuKa1        Wavelength:        1.5405981       
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.23
Comments and Additional Information
General:        Pattern calculated by using atomic parameters from the Inorganic Structure Data File, Federal Republic of Germany.
Literature References
General:        Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A., NBS (USA). ICDD Grant-in-Aid            (1988)
Unit Cell:        Matkovic, V., Economy, J. Acta Crystallogr., Sec. B   26   616 (1970)

2.
Card Information
Names:        Aluminum Boron Magnesium
Formula:        Mg0.78 Al0.75 B14
PDF Number:        39-459
Quality:        calculated
Subfiles:        inorganic alloy NBS
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Imam     (no.  74)
a:        5.8480        b:        8.1120        c:        10.3120
Z:        4
Instrument Information
Radiation:        CuKa1        Wavelength:        1.5405981       
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.23
Comments and Additional Information
General:        Pattern calculated by using atomic parameters from the Inorganic Structure Data File, Federal Republic of Germany.
Literature References
General:        Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A., NBS (USA). ICDD Grant-in-Aid            (1987)
Unit Cell:        Higashi, I., Ito, T. Acta Crystallogr., Sec. B   39   239 (1970)

3.
Card Information
Names:        Magnesium Aluminum Boron
        Magnesium aluminium boride
Formula:        Mg0.78 Al0.75 B14
PDF Number:        75-1262
Quality:        calculated
Subfiles:        inorganic alloy COR FIZ
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Imcm     (no.   0)
a:        5.84800        b:        8.11200        c:        10.31200
Density (Dm):        2.600        Density (Dx):        2.586        Z:        4
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated        Cut Off:        17.7       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.22
Comments and Additional Information
ICSD Number:        030728
Temperature factor:        ATF
TI        Refinement of the structure of Mg Al B14
WY        j2 i h3 c (IMAM)
AF        N3O3P56
Literature References
General:         Calculated from ICSD using POWD-12++            (1997)
Structure:        Higashi, I., Ito, T. J. Less-Common Met.   92   239 (1983)

4.
Card Information
Names:        Aluminum Magnesium Boron
        Aluminum magnesium boride
Formula:        Al0.5 Mg0.5 B2
PDF Number:        89-3178
Quality:        calculated
Subfiles:        inorganic alloy FIZ
Cell and Symmetry Information
System:        hexagonal        Space Group:        P6/mmm   (no. 191)
a:        3.047        c:        3.366
Density (Dx):        2.900        Z:        1
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated        Cut Off:        17.7       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        2.27
Comments and Additional Information
ICSD Number:        043838
TT        No R value given.
TT        At least one TF missing.
TI        Double borides of aluminum and magnesium
WY        d a (P6/MMM)
AF        NO2
Literature References
General:         Calculated from ICSD using POWD-12++            (    )
Structure:        Vekshina, N.V., Markovskii, L.Y., Kondrashev,Y.D., Voevodskaya, T.K. Zh. Prikl. Khim. (Leningrad)   44   970 (1971)
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xhtangxh

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B-Mg二元合金：

1.
Card Information
Names:        Boron Magnesium
Formula:        Mg B12
PDF Number:        8-263
Quality:        questionable
Subfiles:        inorganic alloy
Cell and Symmetry Information
System:        unknown       
Instrument Information
Radiation:        FeKa         Wavelength:        1.9373          
Instrument(d):        Debye-Scherrer       
Instrument(I):        visual estimate        I type:        unknown
Comments and Additional Information
General:        Phase C occurs over 1200 C.
Analysis:        Theoretical composition (wt.%): Mg 15.5, B 84.5.
Quality:        O assigned becasue unindexed and composition uncertain.
General:        Phase C.
Literature References
General:        Markovskij, Kondrasev, Kapumovskaja. Zh. Obshch. Khim.   23   433 (1955)

2.
2.1
Card Information
Names:        Magnesium Boron
        Magnesium boride
Formula:        Mg1.93 B14
PDF Number:        89-1534
Quality:        calculated
Subfiles:        inorganic alloy FIZ
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Imcm     (no.   0)
a:        5.970        b:        8.125        c:        10.480
Density (Dm):        2.590        Density (Dx):        2.590        Z:        4
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated        Cut Off:        17.7       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.27
Comments and Additional Information
ICSD Number:        086397
RM        X-ray diffraction (powder)
Temperature factor:        ITF
TI        Crystal structure of magnesium heptaboride Mg2 B14
WY        j2 h3 e c (IMAM)
Analysis:        Mg2.01 B14
AF        NO7
Literature References
General:         Calculated from ICSD using POWD-12++            (    )
Structure:        Guette, A., Barret, M., Naslain, R.,Hagenmuller, P., Tergenius, L.E., Lundstrom,T. J. Less-Common Met.   82   325 (1981)

2.2
Card Information
Names:        Magnesium Boron
        Magnesium boride
Formula:        Mg0.97 B7
PDF Number:        89-3776
Quality:        calculated
Subfiles:        inorganic alloy FIZ
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Imma     (no.  74)
a:        5.970        b:        10.480        c:        8.125
Density (Dm):        2.590        Density (Dx):        2.590        Z:        8
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated        Cut Off:        17.7       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.33
Comments and Additional Information
ICSD Number:        044441
TT        At least one TF missing.
TI        Crystal structure of magnesium heptaboride
WY        j2 h3 e d (IMMA)
AF        NO7
Literature References
General:         Calculated from ICSD using POWD-12++            (    )
Structure:        Guette, A., Barret, M., Naslain, R.,Hagenmuller, P., Tergenius, R.-E.,Lundstroem, T. J. Less-Common Met.   82   325 (1981)

2.3
Card Information
Names:        Boron Magnesium
Formula:        B7 Mg
PDF Number:        65-4960
Quality:        calculated
Subfiles:        inorganic alloy NST
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Imam     (no.  74)
a:        5.970        b:        8.125        c:        10.480
Density (Dm):        2.590        Density (Dx):        2.590        Z:        8
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.27
Comments and Additional Information
MC        N AL7821       1526
RM        Rietveld refinement
Temperature factor:        IB=B,Mg
EN        Mg2
Literature References
General:         Calculated from NIST using POWD-12++            (    )
Structure:        A.Guette,M.Barret,R.Naslain,P.Hagenmuller,L.-.Tergenius &   T.Lunstrom J. Less-Common Met.   82   325 (1981)

3.
Card Information
Names:        Boron Magnesium
Formula:        Mg B6
PDF Number:        15-298
Quality:        questionable
Subfiles:        inorganic alloy
Cell and Symmetry Information
System:        unknown       
Instrument Information
Radiation:        CuKa         Wavelength:        1.5418           Filter:        Ni
Instrument(d):        unknown       
Instrument(I):        visual estimate        I type:        unknown
Comments and Additional Information
General:        Phase occurs between 900 and 1250 C.
General:        Theoretical composition (wt.%): Mg 27.2, B 72.8.
Quality:        O assigned because unindexed.
Literature References
General:        Durhart. Ann. Chim. (Rome)    7   339 (1962)

4.
4.1
Card Information
Names:        Boron Magnesium
Formula:        B4 Mg
PDF Number:        15-299
Quality:        unknown
Subfiles:        inorganic alloy
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Pnam     (no.  62)
a:        5.464        b:        7.472        c:        4.428
Density (Dm):        2.490        Density (Dx):        2.482        Z:        4
Instrument Information
Radiation:        CuKa         Wavelength:        1.5418           Filter:        Ni
Instrument(d):        unknown       
Instrument(I):        visual estimate        I type:        unknown
Comments and Additional Information
Colour:        Black
General:        Naslain states Debye-Scherrer pattern agrees with data of Durhart.
Literature References
General:        Durhart. Ann. Chim. (Rome)    7   339 (1962)
Unit Cell:        Naslain et al. J. Solid State Chem.    8    68 (1973)

4.2
Card Information
Names:        Magnesium Boron
        Magnesium boride
Formula:        Mg B4
PDF Number:        73-1014
Quality:        calculated
Subfiles:        inorganic alloy COR FIZ
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Pnam     (no.  62)
a:        5.46400        b:        7.47200        c:        4.42800
Density (Dm):        2.495        Density (Dx):        2.482        Z:        4
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated        Cut Off:        17.7       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.78
Comments and Additional Information
ICSD Number:        023460
Temperature factor:        ATF
TI        Structure cristalline de tetraborure de magnesium
WY        d c3 (PNAM)
AF        NO4
Literature References
General:         Calculated from ICSD using POWD-12++            (1997)
Structure:        Guette, A., Naslain, R., Galy, J. C. R. Seances Acad. Sci., Ser. C  275    41 (1972)

5.
5.1
Card Information
Names:        Boron Magnesium
Formula:        Mg B2
PDF Number:        38-1369
Quality:        star
Subfiles:        inorganic alloy CP  NBS
Cell and Symmetry Information
System:        hexagonal        Space Group:        P6/mmm   (no. 191)
a:        3.0864        c:        3.5215
Z:        1
Instrument Information
Radiation:        CuKa1        Wavelength:        1.5405981        Filter:        Graph
Instrument(d):        diffractometer        Cut Off:        17.7        Standard:        W
Instrument(I):        diffractometer        I type:        peak heights
Comments and Additional Information
Source:        The sample was obtained from Alfa Products/Thiokol Ventron Division, Danvers, Massachusetts, USA.  It contained a very small amount of magnesium d=2.440 (I<3) and unidentified reflections at d=3.15, 1.22, 0.943, 0.861 and 0.835 with I<2.
Colour:        Dark grayish brown
Structure:        The structure was determined by Jones and Marsh (1).
Temperature:        Mean temperature of data collection was 23.8 C.
Pattern:        To replace 00-006-0640.
Analysis:        SEM with Energy Dispersive Spectrometer (EDS) indicated no impurity.
Literature References
General:        Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A., NBS (USA). ICDD Grant-in-Aid            (1987)
Unit Cell:        Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A. Powder Diffraction    3    54 (1988)
Structure:        1. Jones, M., Marsh, R. J. Am. Chem. Soc.   76  1434 (1954)

5.2
Card Information
Names:        Boron Magnesium
Formula:        B2 Mg
PDF Number:        65-3383
Quality:        calculated
Subfiles:        inorganic alloy NST
Cell and Symmetry Information
System:        hexagonal        Space Group:        P6/mmm   (no. 191)
a:        3.0840        c:        3.5220
Density (Dm):        2.667        Density (Dx):        2.629        Z:        1
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        2.42
Comments and Additional Information
MC        N AL4907       1525
Temperature factor:        IB=Mg,B
Pattern:        See PDF 01-074-0982.
Literature References
General:         Calculated from NIST using POWD-12++            (    )
Structure:        L.Markovskii Dokl. Akad. Nauk SSSR  100  1095 (1955)

5.3
Card Information
Names:        Magnesium Boron
        Magnesium boride
Formula:        Mg B2
PDF Number:        74-982
Quality:        calculated
Subfiles:        inorganic alloy COR FIZ
Cell and Symmetry Information
System:        hexagonal        Space Group:        P622     (no. 177)
a:        3.0834        c:        3.5213
Density (Dm):        2.620        Density (Dx):        2.630        Z:        1
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated        Cut Off:        17.7       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        2.29
Comments and Additional Information
ICSD Number:        026675
TT        At least one TF missing.
TI        The Preparation and Structure of Magnesium Boride, Mg B2
Pattern:        See PDF 03-065-3383 and 00-038-1369.
OC        Cell from  Acta Crystallogr., 6  870 (1953): 3.084, 3.522, Dm=2.667.
WY        d a (P6/MMM)
AF        NO2
Literature References
General:         Calculated from ICSD using POWD-12++            (1997)
Structure:        Jones, M.E., Marsh, R.E. J. Am. Chem. Soc.   76  1434 (1954)
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B-Al二元合金：

1.
Card Information
Names:        beta-Aluminum Boron
Formula:        Al B12
PDF Number:        12-639
Quality:        indexed
Subfiles:        inorganic alloy CP
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Imma     (no.  74)
a:        12.34        b:        12.63        c:        10.16
Density (Dm):        2.600        Density (Dx):        2.600        Z:        15
Instrument Information
Radiation:        CuKa1        Wavelength:        1.5405           Filter:        Ni
Instrument(d):        unknown       
Instrument(I):        diffractometer        I type:        unknown
Comments and Additional Information
General:        Space group determined from single-crystal data.
Melting Point:        2200 C in helium
Lines:        Plus 26 additional reflections to 1.2132.
General:        Matkovich et al., call the phase Al3 B48 C2 [ J. Am. Chem. Soc., 86  2337 (1964)].
General:        Becher and Neidhard say <0.2 Si causes the formation of this beta-type structure [ Acta Crystallogr., Sec. B , 24  280 (1968)].
Literature References
General:        Kohn, Eckart. Anal. Chem.   32   296 (1960)

2.
Card Information
Names:        alpha-Aluminum Boron
Formula:        Al B12
PDF Number:        12-640
Quality:        indexed
Subfiles:        inorganic alloy CP
Cell and Symmetry Information
System:        tetragonal        Space Group:        P43212   (no.  96)
a:        10.16        c:        14.28
Density (Dm):        2.557        Density (Dx):        2.540        Z:        14.4
Instrument Information
Radiation:        CuKa1        Wavelength:        1.5405           Filter:        Ni
Instrument(d):        unknown       
Instrument(I):        diffractometer        I type:        unknown
Comments and Additional Information
General:        Space group determined from single-crystal data.
Melting Point:        2150 C in helium
Unit Cell:        Yannoni,  Diss. Abstr., 22  1032 (1961) reports: a=10.17, c=14.28, D=2.55, Z=15.6-16.0 for Al B11.
Unit Cell:        Serebryanskii, Epel'baum,  J. Struct. Chem. (USSR), 2 692 (1961) reports: a=10.15, c=14.29, D=2.62 for alpha-Al B12.
Lines:        Plus 12 reflections to 1.1209.
Pattern:        To replace 00-016-0278.
General:        PSC: tP216 for filled cell.
Literature References
General:        Kohn, Eckart. Anal. Chem.   32   296 (1960)

3.
Card Information
Names:        gamma-Aluminum Boride
Formula:        Al B12
PDF Number:        65-5975
Quality:        calculated
Subfiles:        inorganic alloy NST
Cell and Symmetry Information
System:        orthorhombic        Space Group:        P212121  (no.  19)
a:        16.623        b:        17.540        c:        10.180
Density (Dx):        2.549        Z:        29
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.05
Comments and Additional Information
MC        A 50412  ST787      0
Temperature factor:        TF was not given, B set to 1.000 for calc.
Preparation:        see J.A. Kohn and D.W. Eckart, Z.Kristal.,116(1961)134
Structure:        Kagome nets and the interleaving triangular net frame with truncated tetrahedral holes
RM        Real composition is Al27.88B352.
TI        Icosahedral boron framework. The structure of gamma-AlB12
Literature References
General:         Calculated from NIST using POWD-12++            (    )
Structure:        Hughes, R.E, Leonowicz, M.E., Lemley, J.T.,Tai, L.-T. J. Am. Chem. Soc.   99  5507 (1977)

4.
Card Information
Names:        Aluminum Boron
Formula:        Al13.35 B176
PDF Number:        65-4736
Quality:        calculated
Subfiles:        inorganic alloy NST
Cell and Symmetry Information
System:        tetragonal        Space Group:        P43212   (no.  96)
a:        10.161        c:        14.283
Density (Dm):        2.650        Density (Dx):        2.548        Z:        1
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.11
Comments and Additional Information
MC        N AL3269       220
Temperature factor:        IB=B,Al
EN        Al(2) z=.3030
Literature References
General:         Calculated from NIST using POWD-12++            (    )
Structure:        J.S.Kasper,M.Vlasse & R.Naslain J. Solid State Chem.   20   281 (1977)

5.
Card Information
Names:        Aluminum Boron
        aluminium boride
Formula:        ( Al0.942 B10 )5.2
PDF Number:        72-47
Quality:        calculated
Subfiles:        inorganic alloy COR FIZ
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Bbmm     (no.  63)
a:        8.88100        b:        9.10000        c:        5.69000
Density (Dm):        2.537        Density (Dx):        2.501        Z:        1
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated        Cut Off:        17.7       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.19
Comments and Additional Information
ICSD Number:        015354
TT        Calcul. formula slightly deviates from input.
TT        Calc. density unusual but tolerable.
TT        At least one TF implausible.
Temperature factor:        ITF
TI        Crystal structure analysis of Al B10 by the convolution molecule method
WY        h2 g2 f4 c b (BBMM)
Analysis:        Al B10
AF        NO18
Literature References
General:         Calculated from ICSD using POWD-12++            (1997)
Structure:        Will, G. Acta Crystallogr.   23  1071 (1967)

6.
Card Information
Names:        Aluminum Boron
        Aluminium boride
Formula:        Al B31
PDF Number:        80-621
Quality:        calculated
Subfiles:        inorganic alloy COR FIZ
Cell and Symmetry Information
System:        rhombohedral        Space Group:        R-3m     (no. 166)
a:        10.965        c:        23.868
Density (Dx):        2.411        Z:        10
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated        Cut Off:        17.7       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.24
Comments and Additional Information
ICSD Number:        068424
Temperature factor:        ITF
TI        Single-crystal X-ray diffraction study of Al B31 of the beta-rhombohedral boron structure
WY        i6 h10 c2 b (R3-MH)
AF        N10O309
Literature References
General:         Calculated from ICSD using POWD-12++            (1997)
Structure:        Higashi, I., Iwasaki, H., Ito, T., Lundstrom,T., Okada, S., Tergenius, L.-E. J. Solid State Chem.   82   230 (1989)

7.
Card Information
Names:        Boron Aluminum
Formula:        Al B10
PDF Number:        15-617
Quality:        unknown
Subfiles:        inorganic alloy
Cell and Symmetry Information
System:        orthorhombic        Space Group:        Bbmm     (no.  63)
a:        8.881        b:        9.100        c:        5.690
Density (Dm):        2.537        Z:        5.2
Instrument Information
Radiation:        CuKa         Wavelength:        1.5418           Filter:        Ni
Instrument(d):        unknown       
Instrument(I):        densitometer        I type:        unknown
Comments and Additional Information
General:        Pseudotetragonal.
General:        Single-crystal data taken.
General:        Eight or nine of the available 66 sites appear to be unoccupied.
General:        Structure similar to that for Al C4 B24.  [Will, G.,  Acta Crystallogr., Sec. B , 25  1219 (1969)].
Literature References
General:        Kohn et al. Z. Kristallogr., Kristallgeom., Kristallphys., Kristallchem.  111    53 (1958)
Unit Cell:        Will, G. Acta Crystallogr.   23  1071 (1967)

8.
Card Information
Names:        Aluminum Boron
Formula:        Al B10
PDF Number:        22-2
Quality:        questionable
Subfiles:        inorganic alloy
Cell and Symmetry Information
System:        rhombohedral        Space Group:        R        (no.   0)
a:        7.835        c:        15.91
Z:        9
Instrument Information
Radiation:                     Wavelength:                        
Instrument(d):        unknown       
Instrument(I):        unknown        I type:        unknown
Comments and Additional Information
Unit Cell:        Rhombohedral cell: a=6.97, alpha=68.4 degrees.
Preparation:        Formed by heating Al B10 at 950 C in He atmosphere.
General:        High temperature form.
Literature References
General:        Will. Z. Kristallogr., Kristallgeom., Kristallphys., Kristallchem.  128   156 (1969)

9.
Card Information
Names:        Aluminum Boron
Formula:        Al B2
PDF Number:        39-1483
Quality:        star
Subfiles:        inorganic alloy CP  NBS
Cell and Symmetry Information
System:        hexagonal        Space Group:        P6/mmm   (no. 191)
a:        3.0054        c:        3.25276
Z:        1
Instrument Information
Radiation:        CuKa1        Wavelength:        1.5405981        Filter:        Graph
Instrument(d):        diffractometer        Cut Off:        17.7        Standard:        Si
Instrument(I):        diffractometer        I type:        peak heights
Comments and Additional Information
Source:        The sample was provided by the National Bureau of Standards, Maryland, USA.
Structure:        alpha-Al2 O3 was present as a minor phase impurity. The structure of Al B2 was determined by Marcantonia and Mondolfo (1).
Pattern:        To replace 00-009-0154.
Temperature:        The mean temperature was 25 C.
Literature References
General:        Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A., NBS (USA). ICDD Grant-in-Aid            (1988)
Unit Cell:        Wong-Ng, W., McMurdie, H., Paretzkin, B.,Hubbard, C., Dragoo, A. Powder Diffraction    3   180 (1988)
Structure:        1. Marcantonio, J., Mondolfo, L. J. Inst. Met.   98    23 (1970)

10.
Card Information
Names:        Aluminum Boron
Formula:        Al27.87 B352
PDF Number:        65-1354
Quality:        calculated
Subfiles:        inorganic alloy NST
Cell and Symmetry Information
System:        orthorhombic        Space Group:        P212121  (no.  19)
a:        16.623        b:        17.540        c:        10.180
Density (Dm):        2.560        Density (Dx):        2.549        Z:        1
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        0.05
Comments and Additional Information
MC        N AL1225       216
Temperature factor:        IB=Al,B
Literature References
General:         Calculated from NIST using POWD-12++            (    )
Structure:        R.E.Hughes,M.E.Leonowicz,J.T.Lemley & L.-T.Ta J. Am. Chem. Soc.   99  5507 (1977)
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gcz952849979: 金币+100, ★★★★★最佳答案 2013-11-26 14:51:05
Mg-Al二元合金：

1.
Card Information
Names:        beta-Aluminum Magnesium
Formula:        Al Mg
PDF Number:        3-877
Quality:        questionable
Subfiles:        inorganic alloy CP  EDU
Cell and Symmetry Information
System:        cubic        Space Group:        Fd-3m    (no. 227)
a:        28.285       
Z:        233.6
Instrument Information
Radiation:        CrKa         Wavelength:        2.2909          
Instrument(d):        unknown       
Instrument(I):        visual estimate        I type:        unknown
Comments and Additional Information
General:        Composition approximately Al3 Mg2.
Quality:        O assigned because front reflections missing.
Literature References
General:        Perlitz. Trans. Chalmers Univ. Tech., Gothersburg, Sweden   50     6 (1946)

2.
2.1
Card Information
Names:        Aluminum Magnesium
Formula:        Al3 Mg2
PDF Number:        29-48
Quality:        calculated
Subfiles:        inorganic alloy CP  EDU SCM
Cell and Symmetry Information
System:        cubic        Space Group:        Fd-3m    (no. 227)
a:        28.239       
Density (Dx):        2.237        Z:        233.6
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54056         
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
Comments and Additional Information
Pattern:        To replace 00-018-0034.
Literature References
General:        Smith, D., Yu, Penn State Univ., UniversityPark, PA, USA. ICDD Grant-in-Aid            (1975)
Unit Cell:        Samson, S. Acta Crystallogr.   19   401 (1965)

2.2
Card Information
Names:        Aluminum Magnesium
Formula:        Mg2 Al3
PDF Number:        40-903
Quality:        unknown
Subfiles:        inorganic alloy
Cell and Symmetry Information
System:        hexagonal        Space Group:        P        (no.   0)
a:        5.73        c:        9.54
Z:        2.8
Instrument Information
Radiation:                     Wavelength:                        
Instrument(d):        unknown       
Instrument(I):        unknown        I type:        unknown
Comments and Additional Information
Preparation:        Alloy produced by rapid quenching.
General:        More probable formula based on cell and atom sizes is Mg3 Al4.
Literature References
General:        Rajasekharan, T., Akhtar, D., Gopalan, R.,Muraleedharan, K. Nature (London)  322   528 (1986)

3.
Card Information
Names:        Aluminum Magnesium
Formula:        Al2 Mg
PDF Number:        34-1035
Quality:        unknown
Subfiles:        inorganic alloy
Cell and Symmetry Information
System:        tetragonal        Space Group:        I41/amd  (no. 141)
a:        4.132        c:        26.602
Density (Dx):        2.290        Z:        8
Instrument Information
Radiation:        CuKa         Wavelength:        1.54178          Filter:        Ni
Instrument(d):        Debye-Scherrer        Standard:        Si
Instrument(I):        visual estimate        I type:        unknown
Comments and Additional Information
Preparation:        Prepared from 99.99% pure metals by melting together, casting, hot working and homogenization for 20 hours at 350 C, followed by liquisol quenching.
Literature References
General:        Suryanarayana, C. et al. Z. Metallkd.   69   155 (1978)

4.
Card Information
Names:        Aluminum Magnesium
Formula:        Al0.58 Mg0.42
PDF Number:        44-1154
Quality:        unknown
Subfiles:        inorganic alloy
Cell and Symmetry Information
System:        hexagonal        Space Group:        P63/mmc  (no. 194)
a:        7.65        c:        19.85
Z:        52
Instrument Information
Radiation:        CoKa         Wavelength:        1.7902          
Instrument(d):        diffractometer        Standard:        Si
Instrument(I):        diffractometer        I type:        unknown
Comments and Additional Information
Preparation:        Prepared by melting the elements in an alumina crucible under argon, then rapidly solidifying by chill casting and forming into a ribbon using the single roller method.
General:        Phase X.
General:        Metastable phase.
General:        Space group and indexing assigned by editor on basis of single-crystal data for Al3 Mg2 phase.
Literature References
General:        Kobayashi, K., Awazu, T., Shingu, P. Trans. Jpn. Inst. Met.   28   934 (1987)
Unit Cell:        Arhtar, D., Gopalan, R., Rajasekhran, T. Z. Metallkd.   78   201 (1987)

5.
Card Information
Names:        epsilon-Aluminum Magnesium
Formula:        Al0.56 Mg0.44
PDF Number:        51-799
Quality:        star
Subfiles:        inorganic alloy
Cell and Symmetry Information
System:        rhombohedral        Space Group:        R-3      (no. 148)
a:        12.8482        c:        21.7989
Density (Dx):        2.280        Z:        166
Instrument Information
Radiation:        CuKa1        Wavelength:        1.5406          
Instrument(d):        diffractometer        Cut Off:        4.5       
Instrument(I):        diffractometer        I type:        unknown
Comments and Additional Information
Preparation:        A mixture of Al and Mg (55.3 at.% Al) was melted 3 times under argon and then the ingot was annealed at 350 C for 260 hours.
Unit Cell:        Reference reports: a=12.8254, c=21.7478.
General:        Cell parameters generated by least squares refinement.
General:        Forms by a peritectoid reaction at 410 C.
General:        Phase is stable between 250-400 C. Metastable at room temperature.
Pattern:        See 00-044-1154 for experimental data from a material with similar composition.
Literature References
General:        Su, H., Harmelin, M., Donnadieu, P.,Baetzner, C., Seifert, H., Lukas, H.,Effenberg, G., Aldinger, F. J. Alloys Compds.  247    57 (1997)
Unit Cell:        Samson, S., Gordon, K. Acta Crystallogr., Sec. B   24  1004 (1968)

6.
Card Information
Names:        Aluminum Magnesium
Formula:        Al3.16 Mg1.84
PDF Number:        65-6848
Quality:        calculated
Subfiles:        inorganic alloy NST
Cell and Symmetry Information
System:        cubic        Space Group:        Fm-3m    (no. 225)
a:        4.2155       
Density (Dx):        2.305        Z:        0.8
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        4.13
Comments and Additional Information
MC        L 3833  13463      03
Temperature factor:        TF was not given, B set to 1.000 for calc.
Preparation:        The alloys were prepared by induction melting in crucibles under an argon atmosphere.
RM        metastable phase. sample composition is Al3.16Mg1.84.
TI        Metastable Solid Solutions in Aluminum-Magnesium Alloys
Literature References
General:         Calculated from NIST using POWD-12++            (    )
Structure:        Luo, H. L., Chao, C. C., Duwez, P. Trans. Met. Soc. AIME  230  1488 (1964)

7.
Card Information
Names:        Aluminum Magnesium
Formula:        Al0.9 Mg3.1
PDF Number:        65-7561
Quality:        calculated
Subfiles:        inorganic alloy NST
Cell and Symmetry Information
System:        hexagonal        Space Group:        P63/mmc  (no. 194)
a:        3.1210        c:        5.0915
Density (Dx):        1.926        Z:        0.5
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        3.83
Comments and Additional Information
MC        L 3834  13464      03
Temperature factor:        TF was not given, B set to 1.000 for calc.
Preparation:        The alloys were prepared by induction melting in crucibles under an argon atmosphere.
RM        metastable phase. sample composition is Al0.9Mg3.1.
TI        Metastable Solid Solutions in Aluminum-Magnesium Alloys
Literature References
General:         Calculated from NIST using POWD-12++            (    )
Structure:        Luo, H. L., Chao, C. C., Duwez, P. Trans. Met. Soc. AIME  230  1488 (1964)

8.
Card Information
Names:        Aluminum Magnesium
        Aluminium magnesium
Formula:        Al12 Mg17
PDF Number:        73-1148
Quality:        calculated
Subfiles:        inorganic alloy COR FIZ
Cell and Symmetry Information
System:        cubic        Space Group:        I-43m    (no. 217)
a:        10.54380       
Density (Dx):        2.088        Z:        2
Instrument Information
Radiation:        CuKa1        Wavelength:        1.54060         
Instrument(d):        calculated        Cut Off:        17.7       
Instrument(I):        calculated        I type:        peak heights
I/Icor:        2.41
Comments and Additional Information
ICSD Number:        023607
Temperature factor:        ITF
TI        Neutronenbeugungsuntersuchung der Atomverteilung von Mg17 Al12
WY        g2 c a (I4-3M)
AF        N12O17
Literature References
General:         Calculated from ICSD using POWD-12++            (1997)
Structure:        Schobinger-Papamantellos, P., Fischer, P. Naturwissenschaften   57   128 (1970)
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gcz952849979

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引用回帖:
5楼: Originally posted by xhtangxh at 2013-11-05 15:58:58
Mg-Al二元合金：

1.
Card Information
Names:        beta-Aluminum Magnesium
Formula:        Al Mg
PDF Number:        3-877
Quality:        questionable
Subfiles:        inorganic alloy CP  EDU
Cell and Symmetry Information
Sy ...

请问这是那上面查阅的，怎么通过您给出的查看具体的每种晶体，除了看此参考文献（由于文献太老了，可能下载不到了），感谢您的答复。
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6楼2013-11-06 10:59:38
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xhtangxh

木虫 (著名写手)

有木有虫
引用回帖:
6楼: Originally posted by gcz952849979 at 2013-11-06 10:59:38
请问这是那上面查阅的，怎么通过您给出的查看具体的每种晶体，除了看此参考文献（由于文献太老了，可能下载不到了），感谢您的答复。...

找个XRD分析软件，装入粉末衍射数据库按元素组合法直接检索就可以查到的。也可以直接上ICDD官方网页根据上面给出的PDF Number查。
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7楼2013-11-06 12:19:41
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[考研] 求收留 +6 1943443204 2026-03-28 6/300 2026-03-30 20:37 by dick_runner
[有机交流] 考研调剂 +8 watb 2026-03-26 8/400 2026-03-30 18:40 by 544594351
[考研] 332求调剂 +6 @MZB382400 2026-03-28 6/300 2026-03-30 16:57 by 无际的草原
[考研] 282求调剂 +4 wcq131415 2026-03-24 4/200 2026-03-30 10:39 by Delta2012
[考研] 085404求调剂，总分309，本科经历较为丰富 +6 来财aa 2026-03-25 6/300 2026-03-30 09:48 by 青海小西牛
[考研] 求调剂 +4 QiMing7 2026-03-25 5/250 2026-03-29 21:10 by 唐沐儿
[考研] 一志愿南昌大学324求调剂 +5 hanamiko 2026-03-29 5/250 2026-03-29 16:46 by 学员8dgXkO
[考研] 298求调剂 +3 种圣赐 2026-03-29 3/150 2026-03-29 12:06 by longlotian
[考研] 330分求调剂 +5 qzenlc 2026-03-29 5/250 2026-03-29 07:37 by 无际的草原
[考研] 081200-11408-276学硕求调剂 +6 崔wj 2026-03-26 6/300 2026-03-29 01:11 by hanserlol
[考研] 求调剂 +7 争取九点睡 2026-03-28 8/400 2026-03-28 21:07 by 争取九点睡
[考研] 394求调剂 +3 好事多磨静候佳� 2026-03-26 5/250 2026-03-28 14:24 by 唐沐儿
[考研] 药学105500求调剂 +3 Ssun。。 2026-03-28 3/150 2026-03-28 11:24 by lxf170613
[考研] 085405 考的11408求各位老师带走 +3 Qiu学ing 2026-03-28 3/150 2026-03-28 09:19 by 乐呵呵的追梦人
[考研] 352分 化工与材料 +5 海纳百川Ly 2026-03-27 5/250 2026-03-28 03:39 by fmesaito
[考研] 308求调剂 +7 墨墨漠 2026-03-25 7/350 2026-03-27 14:47 by 狂炫麦当当
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