Todorokite
Post J E, Bish D L
American Mineralogist 73 (1988) 861-869
Rietveld refinement of the todorokite structure
Sample: South Africa Ka
_database_code_amcsd 0001188
CELL PARAMETERS: 9.7640 2.8416 9.5510 90.000 94.060 90.000
SPACE GROUP: P2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 264.331
Density (g/cm3): 3.594
MAX. ABS. INTENSITY / VOLUME**2: 32.98575457
RIR: 2.989
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.08 100.00 9.7395 1 0 0 2
9.28 97.88 9.5270 0 0 1 2
12.53 18.57 7.0651 -1 0 1 2
13.45 53.17 6.5816 1 0 1 2
18.22 14.23 4.8697 2 0 0 2
18.63 20.90 4.7635 0 0 2 2
19.88 7.23 4.4662 -2 0 1 2
20.16 16.98 4.4040 -1 0 2 2
21.07 14.74 4.2168 2 0 1 2
21.34 9.89 4.1643 1 0 2 2
25.21 2.30 3.5326 -2 0 2 2
27.10 5.09 3.2908 2 0 2 2
27.47 2.00 3.2465 3 0 0 2
28.10 2.90 3.1757 0 0 3 2
28.41 1.76 3.1416 -3 0 1 2
28.95 10.52 3.0843 -1 0 3 2
29.69 10.11 3.0086 3 0 1 2
30.21 4.62 2.9581 1 0 3 2
32.25 4.35 2.7757 -3 0 2 2
32.55 8.90 2.7506 -2 0 3 2
34.52 2.31 2.5985 3 0 2 2
34.80 2.13 2.5778 2 0 3 2
36.61 8.46 2.4543 2 1 0 4
36.83 9.94 2.4404 0 1 2 4
36.92 5.30 2.4349 4 0 0 2
37.47 1.33 2.4002 -4 0 1 2
37.51 19.40 2.3975 -2 1 1 4
37.67 4.86 2.3877 -1 1 2 4
37.77 3.81 2.3818 0 0 4 2
38.19 1.82 2.3565 2 1 1 4
38.22 4.92 2.3550 -3 0 3 2
38.26 1.44 2.3523 -1 0 4 2
38.35 22.54 2.3472 1 1 2 4
38.82 2.21 2.3200 4 0 1 2
40.75 4.42 2.2142 -2 1 2 4
40.99 2.34 2.2020 -2 0 4 2
41.15 1.07 2.1939 3 0 3 2
42.01 3.40 2.1507 2 1 2 4
42.70 1.04 2.1176 0 1 3 4
42.89 3.91 2.1084 4 0 2 2
43.29 1.34 2.0898 -1 1 3 4
45.30 1.45 2.0019 -4 0 3 2
45.62 1.40 1.9887 -3 0 4 2
45.69 2.15 1.9856 -3 1 2 4
45.92 8.67 1.9764 -2 1 3 4
47.41 7.79 1.9176 3 1 2 4
47.63 5.14 1.9093 2 1 3 4
48.71 3.11 1.8694 4 0 3 2
51.76 6.65 1.7663 -4 0 4 2
52.09 2.79 1.7558 -4 1 2 4
52.58 8.04 1.7406 -2 1 4 4
52.71 2.03 1.7365 3 1 3 4
53.41 1.44 1.7154 -5 0 3 2
54.17 5.88 1.6932 4 1 2 4
54.65 4.35 1.6795 2 1 4 4
55.88 6.90 1.6454 4 0 4 2
58.84 1.08 1.5693 5 1 1 4
59.44 1.61 1.5549 -4 0 5 2
59.65 4.78 1.5501 -5 1 2 4
60.43 6.66 1.5318 -2 1 5 4
62.03 4.28 1.4962 5 1 2 4
62.37 1.01 1.4887 -6 0 3 2
62.80 4.30 1.4797 2 1 5 4
63.33 1.42 1.4686 -5 1 3 4
65.72 5.94 1.4208 0 2 0 2
66.32 2.47 1.4095 6 1 0 4
66.45 7.68 1.4069 -6 1 1 4
67.58 3.23 1.3861 0 1 6 4
67.68 3.93 1.3843 -1 1 6 4
67.81 1.44 1.3821 6 1 1 4
68.89 1.23 1.3630 7 0 1 2
69.03 2.11 1.3606 1 1 6 4
72.17 1.05 1.3089 -7 0 3 2
72.47 1.23 1.3042 -3 1 6 4
75.45 1.21 1.2599 6 1 3 4
77.84 1.12 1.2272 4 2 0 4
78.37 1.01 1.2202 0 2 4 4
80.68 1.19 1.1909 0 0 8 2
88.27 1.80 1.1071 -4 2 4 4
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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.