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longwei1221

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*data for   ICSD #41492
Coll Code   41492
Rec  Date   2002/04/01
Mod  Date   2005/10/01
Chem Name   Beryllium Fluoride
Structured  Be F2
Sum         Be1 F2
ANX         AX2
D(calc)     2.37£¨ÕâÀïÊÇʲôÒâ˼£¿´ú±í¾§°üµÄ¾àÀëÂ𣿵¥Î»Êǰ£Ã´£¿£©
Title       Crystal-structure calculations with distorted ions
Author(s)   Lacks, D.J.;Gordon, R.G.
Reference   Physical Review, Serie 3. B - Condensed Matter (18,1978-)
            (1993), 48, 2889-2908
Unit Cell   4.688 4.688 5.185 90. 90. 120. (ÊÇÔÚMSÊäÈëÖÐÌí¼ÓÔ­×ÓʱºòµÄa b cºÍÈý¸ö½Ç¶ÈÐÅÏ¢Âð£¿)Vol         98.69
Z           3
Space Group P 31 2 1
SG Number   152
Cryst Sys   trigonal/rhombohedral
Pearson     hP9
Wyckoff     c a
Red Cell    P  4.688 4.688 5.185 90 90 120 98.686
Trans Red   1.000 0.000 0.000 / 0.000 1.000 0.000 / 0.000 0.000 1.000
Comments    Origin shift of .3333 along c-axis.
            PEG model (polarization-included electron gas)
            Measured cell: 4.740, 5.150, quartz-type, stable up to 493
            K
            The structure has been assigned a PDF number (calculated
            powder diffraction data): 01-070-2555
            The structure has been assigned a PDF number (experimental
            powder diffraction data): 13-171
            Structure calculated theoretically
            Structure type : Quartz,low
            X-ray diffraction from single crystal
            No R value given in the paper.
            At least one temperature factor missing in the paper.
Atom  #   OX   SITE      x           y           z           SOF      H
Be   1  +2    3 a   0.47        0           0.3333         1.         0   
F    1  -1    6 c   0.419       0.269       0.213          1.         0   
£¨ÕâÀïBeºÍFµÄxyzÊÇÌí¼ÓÔ­×Óʱºò¸÷×ÔµÄa b cÂð£¿ÎªÊ²Ã´Í¬ÑùµÄBeF2ÓÐÄÇô¶àÖв»Í¬µÄ½á¹¹£¿¿Õ¼äȺ¶¼²»Í¬£¿£©*end for    ICSD #41492

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lichun1210(½ð±Ò+2): ¸Ðл½»Á÷ 2011-10-20 08:47:13
longwei1221(½ð±Ò+4): лл£¬ËäÈ»ÎÒÒѾ­½â¾öÁË£¬»¹ÊǸÐлÄãÈÈÐĻش𣬰ѽð±Ò¸øÄã 2011-10-22 19:45:01
D(calc)     2.37ÊÇÖ¸¾§ÌåÃܶÈ
Unit Cell   4.688 4.688 5.185 90. 90. 120. (´ú±í¾§°û²ÎÊý
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