Ikaite
Hesse K F, Kuppers H, Suess E
Zeitschrift fur Kristallographie 163 (1983) 227-231
Refinement of the structure of ikaite, CaCO3*6(H2O)
Locality: Bransfield Strait, Antarctica
_database_code_amcsd 0010853
CELL PARAMETERS: 8.7920 8.3100 11.0210 90.000 110.530 90.000
SPACE GROUP: C2/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 754.071
Density (g/cm3): 1.833
MAX. ABS. INTENSITY / VOLUME**2: 4.045490582
RIR: 0.718
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
15.15 33.64 5.8489 1 1 0 4
15.44 12.61 5.7386 -1 1 1 4
17.18 100.00 5.1605 0 0 2 2
19.91 19.32 4.4599 -1 1 2 4
21.39 6.16 4.1550 0 2 0 2
21.59 31.78 4.1168 2 0 0 2
22.41 23.42 3.9672 -2 0 2 2
23.08 3.63 3.8544 0 2 1 4
25.71 8.51 3.4650 1 1 2 4
26.59 1.77 3.3528 -1 1 3 4
30.57 24.63 2.9244 2 2 0 4
32.22 46.66 2.7781 2 0 2 2
32.51 24.18 2.7538 -3 1 1 4
33.34 12.17 2.6872 1 1 3 4
33.83 10.43 2.6499 0 2 3 4
33.88 21.70 2.6461 2 2 1 4
33.92 54.77 2.6428 -2 0 4 2
34.15 22.74 2.6254 1 3 0 4
34.29 14.02 2.6152 -1 3 1 4
34.41 49.39 2.6061 3 1 0 4
34.77 5.11 2.5803 0 0 4 2
34.97 8.57 2.5658 -2 2 3 4
35.62 7.42 2.5202 -3 1 3 4
36.24 29.01 2.4790 1 3 1 4
39.00 6.37 2.3094 2 2 2 4
40.17 4.28 2.2451 -3 1 4 4
40.24 19.91 2.2409 1 3 2 4
40.45 1.79 2.2299 -2 2 4 4
40.84 27.14 2.2097 -1 3 3 4
41.12 6.63 2.1951 -4 0 2 2
41.18 4.63 2.1920 0 2 4 4
41.63 4.97 2.1696 1 1 4 4
42.66 4.30 2.1193 -1 1 5 4
43.56 9.84 2.0775 0 4 0 2
43.82 11.99 2.0659 3 1 2 4
43.99 5.63 2.0584 4 0 0 2
44.48 1.56 2.0367 0 4 1 4
45.43 15.28 1.9963 2 2 3 4
45.45 4.38 1.9956 -3 3 2 4
45.74 1.97 1.9836 -4 0 4 2
46.12 12.95 1.9683 -3 1 5 4
46.51 1.19 1.9527 -1 3 4 4
46.58 5.45 1.9496 3 3 0 4
47.14 18.74 1.9278 -2 2 5 4
47.16 11.71 1.9272 0 4 2 4
47.26 12.84 1.9234 -4 2 1 4
47.71 3.56 1.9061 2 0 4 2
48.09 19.84 1.8919 -4 2 3 4
48.48 3.80 1.8779 -2 4 1 4
49.12 5.65 1.8547 2 4 0 4
49.29 19.02 1.8486 0 2 5 4
49.53 14.60 1.8404 -2 4 2 4
49.77 2.05 1.8321 -2 0 6 2
50.41 1.12 1.8102 1 1 5 4
50.49 2.07 1.8077 3 1 3 4
51.02 7.10 1.7901 -4 2 4 4
51.21 1.06 1.7839 -3 3 4 4
51.38 1.00 1.7784 0 4 3 4
51.41 3.28 1.7772 2 4 1 4
53.25 1.99 1.7202 0 0 6 2
53.28 2.62 1.7194 -5 1 2 4
53.39 7.92 1.7160 4 0 2 2
53.76 3.41 1.7051 -5 1 3 4
54.28 3.38 1.6899 3 3 2 4
54.76 1.48 1.6764 -2 2 6 4
55.40 1.87 1.6585 -4 2 5 4
55.80 1.83 1.6476 -5 1 4 4
56.26 3.53 1.6352 -3 3 5 4
58.03 2.39 1.5894 0 2 6 4
58.16 2.80 1.5861 4 2 2 4
60.03 3.77 1.5411 1 3 5 4
61.01 2.89 1.5188 -1 3 6 4
61.06 1.51 1.5177 2 2 5 4
62.60 1.29 1.4839 -5 3 2 4
63.15 3.39 1.4722 -2 2 7 4
63.64 3.90 1.4622 4 4 0 4
63.78 1.24 1.4594 -6 0 2 2
65.68 2.02 1.4216 3 5 0 4
66.44 2.00 1.4072 -3 5 3 4
66.58 1.80 1.4045 2 4 4 4
67.39 3.98 1.3895 0 2 7 4
67.42 1.98 1.3891 4 0 4 2
67.91 3.36 1.3803 -6 2 3 4
68.10 1.11 1.3769 -5 3 5 4
68.10 2.53 1.3769 -6 2 2 4
68.36 2.22 1.3723 6 0 0 2
68.82 1.04 1.3642 -4 4 5 4
69.45 2.33 1.3534 -3 5 4 4
69.52 2.70 1.3521 1 1 7 4
69.72 1.92 1.3487 -3 3 7 4
69.74 1.02 1.3485 -3 1 8 4
70.38 1.07 1.3377 0 6 2 4
71.28 2.72 1.3230 4 4 2 4
71.38 2.51 1.3214 -4 0 8 2
71.42 1.74 1.3208 -2 6 1 4
71.62 4.40 1.3176 -6 2 5 4
71.93 1.36 1.3127 2 6 0 4
72.25 1.37 1.3076 -2 6 2 4
73.39 2.04 1.2901 0 0 8 2
73.74 3.61 1.2848 0 6 3 4
73.87 2.04 1.2829 -4 4 6 4
76.94 1.62 1.2392 4 4 3 4
78.09 1.59 1.2239 6 0 2 2
78.36 2.25 1.2203 0 6 4 4
79.56 1.23 1.2048 -7 1 1 4
79.90 1.15 1.2006 4 2 5 4
82.79 1.52 1.1659 -6 0 8 2
84.18 2.09 1.1501 0 6 5 4
84.64 1.92 1.1450 6 4 0 4
89.02 1.05 1.0997 -4 6 5 4
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.