Nierite
Yang P, Fun H-K, Rahman I A, Saleh M I
Ceramics International 21 (1995) 137-142
Two phase refinements of the structures of a-Si3N4 and B-Si3N4 made from rice
husk by Rietveld analysis
Locality: synthetic
Sample: Alpha phase
Note: changed N4 location to match reported bond distances
_database_code_amcsd 0012185
CELL PARAMETERS: 7.7650 7.7650 5.6275 90.000 90.000 120.000
SPACE GROUP: P31c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 293.852
Density (g/cm3): 3.170
MAX. ABS. INTENSITY / VOLUME**2: 8.402190742
RIR: 0.863
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.17 11.77 6.7247 1 0 0 6
20.58 64.53 4.3157 1 0 1 6
22.91 39.41 3.8825 1 1 0 3
26.51 35.76 3.3623 2 0 0 6
30.98 100.00 2.8864 2 0 1 6
31.80 10.63 2.8138 0 0 2 1
34.55 91.32 2.5957 1 0 2 6
35.31 71.59 2.5417 2 1 0 6
38.88 10.52 2.3164 3 -1 1 6
38.88 52.29 2.3164 2 1 1 6
39.56 2.79 2.2783 2 -1 2 3
39.56 3.72 2.2783 1 1 2 3
40.23 3.00 2.2416 3 0 0 6
41.86 29.66 2.1579 2 0 2 6
43.46 40.13 2.0824 3 0 1 6
46.80 3.95 1.9412 2 2 0 3
48.25 1.09 1.8861 3 -1 2 6
48.25 10.42 1.8861 2 1 2 6
48.83 5.89 1.8651 3 1 0 6
50.51 9.86 1.8069 1 0 3 6
51.63 1.80 1.7704 3 1 1 6
51.63 8.87 1.7704 4 -1 1 6
56.15 6.93 1.6381 2 0 3 6
57.19 1.49 1.6108 4 0 1 6
57.69 15.54 1.5979 4 -2 2 3
57.69 5.27 1.5979 2 2 2 3
59.46 1.48 1.5546 3 1 2 6
59.46 1.55 1.5546 4 -1 2 6
59.96 4.06 1.5427 3 2 0 6
61.43 7.07 1.5093 3 -1 3 6
61.43 1.10 1.5093 2 1 3 6
62.42 1.87 1.4879 5 -2 1 6
62.42 38.12 1.4879 3 2 1 6
63.38 1.44 1.4674 4 1 0 6
64.81 25.39 1.4386 3 0 3 6
65.76 21.23 1.4200 5 -1 1 6
65.76 1.69 1.4200 4 1 1 6
66.46 13.81 1.4069 0 0 4 1
68.09 3.35 1.3771 1 0 4 6
69.48 17.40 1.3528 3 2 2 6
69.48 15.49 1.3528 5 -2 2 6
69.95 1.09 1.3449 5 0 0 6
71.30 3.51 1.3227 2 -1 4 3
71.31 3.51 1.3226 4 -1 3 6
71.31 2.54 1.3226 3 1 3 6
72.22 3.62 1.3081 5 0 1 6
72.67 11.07 1.3011 4 1 2 6
72.67 5.10 1.3011 5 -1 2 6
72.88 4.46 1.2978 2 0 4 6
73.12 9.92 1.2942 3 3 0 3
74.69 3.15 1.2708 4 2 0 6
76.02 1.04 1.2520 4 0 3 6
76.91 4.49 1.2396 6 -2 1 6
76.91 2.45 1.2396 4 2 1 6
77.56 4.71 1.2309 3 -1 4 6
77.56 3.05 1.2309 2 1 4 6
78.89 2.70 1.2134 5 0 2 6
79.33 2.95 1.2078 5 1 0 6
80.63 11.46 1.1915 5 -2 3 6
80.63 2.76 1.1915 3 2 3 6
81.51 4.11 1.1809 5 1 1 6
83.46 2.74 1.1582 6 -2 2 6
83.46 1.23 1.1582 4 2 2 6
83.67 7.10 1.1558 4 1 3 6
86.69 1.35 1.1232 3 1 4 6
87.99 1.18 1.1099 6 -1 2 6
87.99 2.54 1.1099 5 1 2 6
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XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.