Rapidcreekite Cooper M A, Hawthorne F C The Canadian Mineralogist 34 (1996) 99-106 The crystal structure of rapidcreekite, Ca2(SO4)(CO3)(H2O)4, and its relation to the structure of gypsum _database_code_amcsd 0005481 CELL PARAMETERS: 15.5170 19.2260 6.1646 90.000 90.000 90.000 SPACE GROUP: Pcnb X-RAY WAVELENGTH: 1.541838 Cell Volume: 1839.084 Density (g/cm3): 2.289 MAX. ABS. INTENSITY / VOLUME**2: 8.704456873 RIR: 1.238 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.20 1.93 9.6130 0 2 0 2 10.83 4.96 8.1719 1 2 0 4 11.41 100.00 7.7585 2 0 0 2 16.14 10.39 5.4905 1 1 1 8 18.02 3.53 4.9213 1 2 1 8 18.96 9.93 4.6813 2 1 1 8 20.59 31.63 4.3134 2 2 1 8 22.92 17.75 3.8808 3 1 1 8 22.93 12.90 3.8793 4 0 0 2 23.07 13.48 3.8554 2 3 1 8 24.17 2.80 3.6822 1 4 1 8 24.30 12.35 3.6634 3 2 1 8 26.17 19.26 3.4058 2 4 1 8 27.56 7.85 3.2364 4 1 1 8 27.84 5.62 3.2043 0 6 0 2 28.73 53.15 3.1070 4 2 1 8 28.97 5.90 3.0823 0 0 2 2 29.21 1.32 3.0574 3 4 1 8 29.71 12.09 3.0075 2 5 1 8 30.26 1.89 2.9533 5 2 0 4 30.59 22.95 2.9221 4 3 1 8 31.22 1.90 2.8645 2 0 2 4 32.00 44.12 2.7966 1 6 1 8 32.30 1.20 2.7720 5 0 1 4 32.45 5.91 2.7595 3 5 1 8 32.62 5.31 2.7452 2 2 2 8 32.75 6.12 2.7343 1 3 2 8 33.04 1.63 2.7111 4 4 1 8 33.65 11.11 2.6634 5 2 1 8 34.29 3.21 2.6152 2 3 2 8 34.40 1.89 2.6072 5 4 0 4 34.57 2.18 2.5946 0 4 2 4 35.06 15.03 2.5591 1 4 2 8 35.16 6.98 2.5527 3 2 2 8 35.97 4.48 2.4969 4 5 1 8 36.37 5.14 2.4705 4 6 0 4 36.52 1.87 2.4607 2 4 2 8 36.72 14.24 2.4472 3 3 2 8 37.26 2.12 2.4133 4 0 2 4 37.42 1.90 2.4032 0 8 0 2 37.56 5.18 2.3945 4 1 2 8 37.88 3.32 2.3749 1 8 0 4 38.46 1.14 2.3406 4 2 2 8 38.83 4.70 2.3192 3 4 2 8 39.94 5.38 2.2573 3 7 1 8 40.10 5.92 2.2486 5 5 1 8 40.71 2.11 2.2162 1 8 1 8 41.43 1.05 2.1795 3 8 0 4 41.56 3.83 2.1729 5 1 2 8 42.00 2.44 2.1513 2 8 1 8 43.15 6.36 2.0964 5 6 1 8 43.65 4.79 2.0738 7 1 1 8 44.17 1.36 2.0506 0 7 2 4 44.34 3.85 2.0430 4 8 0 4 44.47 3.31 2.0371 1 0 3 4 45.04 6.29 2.0130 7 4 0 4 45.57 16.28 1.9906 5 4 2 8 45.77 2.31 1.9825 2 7 2 8 45.80 5.07 1.9812 6 0 2 4 46.06 3.77 1.9707 6 1 2 8 46.49 13.84 1.9534 2 9 1 8 46.55 3.44 1.9510 5 7 1 8 46.82 1.26 1.9404 6 2 2 8 46.84 2.85 1.9396 8 0 0 2 47.62 8.68 1.9097 3 0 3 4 47.87 1.85 1.9003 3 1 3 8 47.87 11.12 1.9001 5 8 0 4 47.95 4.41 1.8973 2 3 3 8 48.00 1.24 1.8952 0 8 2 4 48.07 2.41 1.8928 6 3 2 8 48.38 2.89 1.8813 1 8 2 8 48.54 1.69 1.8756 1 4 3 8 49.49 1.72 1.8417 8 1 1 8 49.66 2.94 1.8358 2 4 3 8 49.78 3.25 1.8317 6 4 2 8 51.00 3.91 1.7906 4 9 1 8 51.20 2.95 1.7843 4 2 3 8 51.40 1.15 1.7776 8 3 1 8 51.49 1.02 1.7747 3 4 3 8 51.67 2.30 1.7689 7 2 2 8 51.92 2.99 1.7612 6 5 2 8 51.94 7.01 1.7605 6 8 0 4 52.45 3.87 1.7446 1 9 2 8 52.84 1.02 1.7326 7 3 2 8 53.04 1.78 1.7267 8 4 1 8 53.29 2.35 1.7191 1 6 3 8 53.48 2.58 1.7133 5 0 3 4 53.71 2.56 1.7066 5 1 3 8 54.44 4.23 1.6854 7 4 2 8 55.38 2.28 1.6591 4 10 1 8 55.55 2.80 1.6542 9 1 1 8 56.47 1.16 1.6294 7 8 0 4 58.84 1.16 1.5694 9 4 1 8 60.57 1.53 1.5287 1 1 4 8 60.76 1.86 1.5244 9 5 1 8 61.20 1.22 1.5145 1 2 4 8 62.00 2.36 1.4968 6 10 1 8 62.08 1.28 1.4951 3 8 3 8 62.53 1.19 1.4853 3 12 1 8 63.06 2.23 1.4742 9 6 1 8 64.30 1.47 1.4488 4 8 3 8 64.94 1.06 1.4360 10 4 1 8 65.53 2.19 1.4245 1 5 4 8 65.68 3.28 1.4216 0 12 2 4 66.75 1.38 1.4013 10 5 1 8 67.61 1.38 1.3856 3 13 1 8 69.44 1.50 1.3535 11 4 0 4 70.64 1.53 1.3334 0 13 2 4 71.85 1.33 1.3139 7 10 2 8 74.29 1.08 1.2767 7 8 3 8 76.46 1.03 1.2458 6 12 2 8 78.30 1.41 1.2211 9 6 3 8 78.65 2.29 1.2165 8 8 3 8 80.10 2.05 1.1980 1 16 0 4 81.56 1.82 1.1804 2 4 5 8 83.52 1.34 1.1575 9 8 3 8 84.50 1.01 1.1466 8 12 2 8 84.97 1.49 1.1414 4 4 5 8 88.54 1.60 1.1044 9 13 1 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.