木虫 (著名写手)
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【答案】应助回帖
★ ★ ★ xmclyn(金币+2): 3X 2011-04-29 08:21:19 zhangwengui330(金币+3): 谢谢应助!! 2011-04-29 10:20:16
石英怎么会有几种结构?总不能把方石英之类含“石英”二字的矿物也算成石英吧?
石英的粉末衍射数据如下,PDF卡片号用46-1045或85-335都行,至于各图有没有石英(quartz)杂晶,还是自己对去吧。
Card Information
Names: Silicon Oxide
Quartz, syn
Formula: SiO2
PDF Number: 46-1045
Quality: star
Subfiles: inorganic mineral alloy CEM CP FOR PHR
Cell and Symmetry Information
System: hexagonal Space Group: P3221 (no. 154)
a: 4.91344 c: 5.40524
Density (Dm): 2.660 Density (Dx): 2.650 Z: 3
Instrument Information
Radiation: CuKa1 Wavelength: 1.5405981 Filter: Ge
Instrument(d): diffractometer Standard: Si
Instrument(I): diffractometer I type: integrated intensities
I/Icor: 3.41
Comments and Additional Information
Colour: White
Temperature: Pattern taken at 23(1) C.
General: Low temperature quartz.
General: 2 theta determination based on profile fit method.
Optical: B=1.544, Q=1.553, Sign=+
Pattern: To replace 00-033-1161.
Pattern: See ICSD 174 (PDF 01-085-0335).
Literature References
General: Kern, A., Eysel, W.,Mineralogisch-Petrograph. Inst., Univ.Heidelberg, Germany. ICDD Grant-in-Aid (1993)
Optical: Swanson, Fuyat. Natl. Bur. Stand. (U.S.), Circ. 539 3 24 (1954)
Structure: Z. Kristallogr. 198 177 (1992)
Peak Data
PeakList
h k l d I
1 0 0 4.2550 16
1 0 1 3.3435 100
1 1 0 2.4569 9
1 0 2 2.2815 8
1 1 1 2.2361 4
2 0 0 2.1277 6
2 0 1 1.9799 4
1 1 2 1.8180 13
0 0 3 1.8017 1
2 0 2 1.6717 4
1 0 3 1.6592 2
2 1 0 1.6083 1
2 1 1 1.5415 9
1 1 3 1.4529 2
3 0 0 1.4184 1
2 1 2 1.3821 6
2 0 3 1.3750 7
3 0 1 1.3719 5
1 0 4 1.2879 2
3 0 2 1.2559 3
2 2 0 1.2283 1
2 1 3 1.1998 2
2 2 1 1.1978 1
1 1 4 1.1840 2
3 1 0 1.1802 2
3 1 1 1.1530 1
2 0 4 1.1407 1
3 0 3 1.1145 1
3 1 2 1.0816 2
4 0 0 1.0638 1
1 0 5 1.0477 1
4 0 1 1.0438 1
2 1 4 1.0346 1
2 2 3 1.0149 1
1 1 5 0.9896 1
3 1 3 0.9872 1
3 0 4 0.9783 1
3 2 0 0.9762 1
3 2 1 0.9608 1
4 1 0 0.9285 1
3 2 2 0.9182 1
4 0 3 0.9161 2
4 1 1 0.9152 2
2 2 4 0.9089 1
0 0 6 0.9009 1
2 1 5 0.8972 1
3 1 4 0.8889 1
1 0 6 0.8814 1
4 1 2 0.8782 1
3 0 5 0.8598 1
1 1 6 0.8458 1
5 0 1 0.8407 1
4 0 4 0.8359 1
2 0 6 0.8296 1
4 1 3 0.8254 2
3 3 0 0.8189 1
5 0 2 0.8117 3
3 3 1 0.8097 1 |
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