XRD
第1楼2006/07/07
PDF#27-0605: QM=Indexed; d=(Unknown); I=Diffractometer
Silicon Oxide
Si O2
Radiation=CuKa Lambda=1.54178 Filter=
Calibration= d-Cutoff= I/Ic(RIR)=
Ref= Leadbetter, A. et al.
Private Communication (1975)
Cubic - Powder Diffraction, Fd-3m (227) Z=8 mp=
Cell=7.13 Pearson=cF24 (O2 Si)
Density(c)=2.200 Density(m)=3.56A Mwt=60.08 Vol=362.47 F(22)=19.2(0.050,23)
Ref= Leadbetter, A. et al.
Nature (London), Phys. Sci., 244 125 (1973)
Strong Line: 4.11/X 2.52/1 1.64/1 1.46/1 2.06/1 1.20/1 1.37/1 1.26/1 1.13/1 2.15/1
NOTE: Synthesized by devitrifying pure vitreous silica at 1690 C.
High temperature pattern, taken at 300 C.
To replace 00-004-0359.
High $GB-cristobalite.
d(A) I(f) I(v) h k l n^2 2-Theta Theta 1/(2d) 2pi/d
4.110 100.0 100.0 1 1 1 3 21.604 10.802 0.1217 1.5288
2.518 12.0 20.0 2 2 0 8 35.626 17.813 0.1986 2.4953
2.149 1.0 2.0 3 1 1 11 42.008 21.004 0.2327 2.9238
2.056 4.0 8.0 2 2 2 12 44.005 22.003 0.2432 3.0560
1.782 1.0 2.0 4 0 0 16 51.222 25.611 0.2806 3.5259
1.636 7.0 18.0 3 3 1 19 56.177 28.088 0.3056 3.8406
1.455 5.0 14.0 4 2 2 24 63.930 31.965 0.3436 4.3183
1.372 2.0 6.0 5 1 1 27 68.309 34.155 0.3644 4.5796
1.261 2.0 7.0 4 4 0 32 75.302 37.651 0.3965 4.9827
1.203 3.0 10.0 5 3 1 35 79.628 39.814 0.4156 5.2229
1.188 1.0 3.0 4 4 2 36 80.840 40.420 0.4209 5.2889
1.128 2.0 7.0 6 2 0 40 86.137 43.069 0.4433 5.5702
1.088 1.0 4.0 5 3 3 43 90.141 45.071 0.4596 5.7750
1.075 1.0 4.0 6 2 2 44 91.539 45.770 0.4651 5.8448
1.029 1.0 4.0 4 4 4 48 96.934 48.467 0.4859 6.1061
0.998 1.0 4.0 5 5 1 51 100.925 50.462 0.5006 6.2907
0.953 1.0 4.0 6 4 2 56 107.821 53.911 0.5245 6.5917
0.928 1.0 4.0 7 3 1 59 112.096 56.048 0.5384 6.7663
0.891 1.0 5.0 8 0 0 64 119.544 59.772 0.5609 7.0479
0.871 1.0 5.0 7 3 3 67 124.222 62.111 0.5737 7.2096
0.840 1.0 5.0 6 6 0 72 132.826 66.413 0.5949 7.4755
0.823 1.0 5.0 7 5 1 75 138.577 69.289 0.6072 7.6299
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