Perryite
Marsh R E
Acta Crystallographica A50 (1994) 450-455
The centrosymmetric - noncentrosymmetric ambiguity: some more examples
Locality: synthetic
_database_code_amcsd 0009330
CELL PARAMETERS: 6.6400 6.6400 37.9819 90.000 90.000 120.000
SPACE GROUP: R-3c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1450.252
Density (g/cm3): 7.624
MAX. ABS. INTENSITY / VOLUME**2: 88.98358596
RIR: 3.800
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
27.78 1.03 3.2114 1 1 3 12
28.19 2.48 3.1652 0 0 12 2
30.40 7.75 2.9402 1 1 6 12
32.54 5.50 2.7518 0 2 4 6
34.37 11.88 2.6093 1 1 9 12
36.54 7.60 2.4594 2 0 8 6
36.62 1.32 2.4536 0 1 14 6
39.30 10.38 2.2924 0 2 10 6
41.62 24.02 2.1699 2 1 1 12
42.68 12.83 2.1187 2 1 4 12
42.86 8.20 2.1101 0 0 18 2
43.30 10.87 2.0896 1 2 5 12
44.93 11.48 2.0176 2 1 7 12
45.03 100.00 2.0134 1 1 15 12
45.92 10.54 1.9762 1 2 8 12
45.99 20.68 1.9732 2 0 14 6
47.43 81.26 1.9168 3 0 0 6
48.24 5.09 1.8864 2 1 10 12
49.56 5.32 1.8394 1 2 11 12
49.81 3.08 1.8306 0 2 16 6
51.30 13.89 1.7809 1 1 18 12
54.06 15.55 1.6962 1 2 14 12
55.58 1.37 1.6535 1 0 22 6
55.86 3.61 1.6459 2 2 3 12
57.49 1.21 1.6030 2 1 16 12
57.87 1.69 1.5935 1 3 1 12
58.30 1.87 1.5826 0 0 24 2
59.20 1.28 1.5608 3 1 5 12
59.87 2.79 1.5448 2 2 9 12
63.20 1.38 1.4713 2 1 19 12
64.34 1.04 1.4479 3 1 11 12
65.82 1.17 1.4188 3 0 18 6
65.82 1.25 1.4188 0 3 18 6
67.46 7.65 1.3883 2 2 15 12
69.97 1.78 1.3445 4 0 10 6
71.57 2.92 1.3184 3 2 1 12
71.79 1.06 1.3149 1 2 23 12
72.44 4.01 1.3047 2 2 18 12
72.76 1.17 1.2998 2 3 5 12
73.94 2.17 1.2819 3 2 7 12
74.67 1.15 1.2711 2 3 8 12
74.73 1.05 1.2703 0 4 14 6
75.02 5.61 1.2661 0 0 30 2
75.81 3.54 1.2548 4 1 0 12
76.25 1.12 1.2487 4 1 3 12
76.43 3.20 1.2462 3 2 10 12
76.50 3.29 1.2452 2 1 25 12
77.45 1.54 1.2324 2 3 11 12
77.56 1.11 1.2309 1 4 6 12
77.56 1.17 1.2309 4 1 6 12
77.65 1.58 1.2297 4 0 16 6
78.35 1.45 1.2204 3 0 24 6
78.35 1.52 1.2204 0 3 24 6
78.97 1.77 1.2124 1 2 26 12
81.05 7.91 1.1864 2 3 14 12
81.34 2.72 1.1830 1 1 30 12
82.73 1.50 1.1665 1 4 12 12
82.73 1.35 1.1665 4 1 12 12
83.09 1.07 1.1624 0 1 32 6
83.91 1.75 1.1531 3 2 16 12
84.94 1.01 1.1417 0 5 4 6
86.57 2.81 1.1244 4 1 15 12
86.57 2.76 1.1244 1 4 15 12
86.82 3.35 1.1218 1 2 29 12
88.31 1.42 1.1067 3 3 0 6
88.51 1.91 1.1047 4 0 22 6
89.28 2.01 1.0971 2 0 32 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.