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【答案】应助回帖
感谢参与,应助指数 +1 lijunjie84(金币+1): 欢迎发帖交流! 2012-02-20 18:22:19
PDF#04-0783: QM=Indexed(I); d=(Unknown); I=Diffractometer
Silver-3C, syn
Ag Light gray metallic
Radiation=CuKa1 Lambda=1.54056 Filter=Ni
Calibration= 2T=44.566-180.000 I/Ic(RIR)=5.20
Ref: Swanson, Tatge.
Natl. Bur. Stand. (U.S.), Circ. 539, vI p23 (1953)
Cubic - Powder Diffraction, Fm-3m (225) Z=4 mp=960.6$DE
CELL: 4.0862 x 4.0862 x 4.0862 <90.0 x 90.0 x 90.0> P.S=cF4 (Cu)
Density(c)=10.500 Density(m)=10.500 Mwt=107.87 Vol=68.23 F(9)=64.7(.0154,9/0)
Ref: Ibid.
Strong Lines: 2.36/X 2.04/4 1.23/3 1.45/3 0.94/2 0.83/1 1.18/1 0.91/1 1.02/1 0.00/1
NOTE: See ICSD 64706 (PDF 01-087-0597).
Sample obtained from Johnson Matthey Company, Ltd.
Purity >99.999%.
Spectrographic analysis indicated faint traces of Ca, Fe and Cu.
Pattern taken at 27 C.
Opaque mineral optical data on specimen from Great Bear Lake, Canada: RR2Re=94.1, Disp.=16, VHN100=55-63, Color values .314, .321, 94.2, Ref.: IMA Commission on Ore Microscopy QDF.
2-Theta d(?) I(f) ( h k l ) Theta 1/(2d) 2pi/d n^2
44.566 2.3590 100.0 ( 1 1 1) 22.283 0.2120 2.6635 3
51.904 2.0440 40.0 ( 2 0 0) 25.952 0.2446 3.0740 4
76.489 1.4450 25.0 ( 2 2 0) 38.245 0.3460 4.3482 8
93.210 1.2310 26.0 ( 3 1 1) 46.605 0.4062 5.1041 11
98.628 1.1796 12.0 ( 2 2 2) 49.314 0.4239 5.3265 12
122.246 1.0215 4.0 ( 4 0 0) 61.123 0.4895 6.1509 16
145.153 0.9375 15.0 ( 3 3 1) 72.576 0.5333 6.7021 19
156.458 0.9137 12.0 ( 4 2 0) 78.229 0.5472 6.8766 20
--- 0.8341 13.0 ( 4 2 2) --- 0.5994 7.5329 24 |
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