Cryptomelane
Vicat J, Fanchon E, Strobel P, Tran Qui D
Acta Crystallographica B42 (1986) 162-167
The structure of K1.33Mn8O16 and cation ordering in hollandite-type structures
Locality: synthetic
_cod_database_code 1008322
_database_code_amcsd 0016237
CELL PARAMETERS: 9.8660 9.8660 2.8720 90.000 90.000 90.000
SPACE GROUP: I4/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 279.555
Density (g/cm3): 4.440
MAX. ABS. INTENSITY / VOLUME**2: 33.16205347
RIR: 2.432
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
12.69 66.09 6.9763 1 1 0 4
17.98 67.57 4.9330 2 0 0 4
25.54 9.60 3.4882 2 2 0 4
28.61 28.62 3.1199 3 1 0 4
28.61 71.38 3.1199 1 3 0 4
36.43 20.91 2.4665 4 0 0 4
37.36 44.02 2.4070 2 1 1 8
37.36 36.38 2.4070 1 2 1 8
38.72 8.91 2.3254 3 3 0 4
40.91 8.56 2.2061 2 4 0 4
40.91 2.97 2.2061 4 2 0 4
41.76 26.52 2.1632 3 0 1 8
45.80 2.76 1.9811 3 2 1 8
46.96 2.77 1.9349 5 1 0 4
46.96 4.06 1.9349 1 5 0 4
49.59 19.80 1.8384 1 4 1 8
49.59 23.23 1.8384 4 1 1 8
52.47 2.52 1.7441 4 4 0 4
54.21 1.73 1.6920 3 5 0 4
55.92 23.81 1.6443 6 0 0 4
56.59 2.79 1.6263 5 0 1 8
56.59 1.37 1.6263 3 4 1 8
59.23 2.44 1.5600 6 2 0 4
59.88 15.64 1.5446 5 2 1 8
59.88 28.02 1.5446 2 5 1 8
64.94 9.06 1.4360 0 0 2 2
66.17 2.84 1.4123 6 1 1 8
66.47 2.09 1.4065 1 1 2 8
67.08 2.80 1.3953 1 7 0 4
67.99 3.56 1.3788 2 0 2 8
68.59 2.69 1.3682 4 6 0 4
69.19 21.98 1.3578 5 4 1 8
69.19 6.43 1.3578 4 5 1 8
72.45 1.65 1.3045 3 1 2 8
72.45 4.85 1.3045 1 3 2 8
73.04 2.36 1.2955 3 7 0 4
73.04 4.14 1.2955 7 3 0 4
76.81 4.44 1.2410 4 0 2 8
77.95 1.96 1.2256 2 7 1 8
78.24 3.53 1.2218 3 3 2 8
83.06 3.34 1.1627 6 6 0 4
83.63 1.34 1.1563 6 5 1 8
83.91 1.36 1.1531 1 5 2 8
84.47 1.07 1.1469 7 5 0 4
86.44 1.03 1.1258 1 8 1 8
86.44 1.55 1.1258 7 4 1 8
86.44 2.44 1.1258 8 1 1 8
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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.