Bassanite Ballirano P, Maras A, Meloni S, Caminiti R European Journal of Mineralogy 13 (2001) 985-993 The monoclinic I2 structure of bassanite, calcium sulphate hemihydrate _database_code_amcsd 0006909 CELL PARAMETERS: 12.0350 6.9294 12.6705 90.000 90.266 90.000 SPACE GROUP: I2 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1056.649 Density (g/cm3): 2.757 MAX. ABS. INTENSITY / VOLUME**2: 8.433167340 RIR: 0.996 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.57 1.14 6.0796 0 1 1 2 14.72 48.90 6.0174 2 0 0 2 14.75 99.74 6.0051 1 1 0 2 20.31 2.07 4.3731 -2 0 2 2 20.40 3.37 4.3532 1 1 2 2 20.75 2.35 4.2815 -2 1 1 2 22.28 2.07 3.9910 -1 0 3 2 22.34 3.07 3.9794 1 0 3 2 24.69 3.50 3.6064 0 1 3 2 25.66 56.66 3.4718 3 1 0 2 25.71 30.80 3.4647 0 2 0 1 27.69 2.81 3.2212 -1 2 1 2 28.91 2.12 3.0880 2 1 3 2 29.28 7.16 3.0498 -3 1 2 2 29.38 5.66 3.0398 0 2 2 2 29.39 7.36 3.0394 3 1 2 2 29.69 57.57 3.0087 4 0 0 2 29.76 100.00 3.0026 2 2 0 2 31.87 14.71 2.8083 -2 0 4 2 31.91 83.69 2.8044 -1 1 4 2 31.97 28.97 2.7990 1 1 4 2 31.99 33.91 2.7976 2 0 4 2 32.98 8.57 2.7157 -2 2 2 2 33.02 4.54 2.7129 4 0 2 2 33.25 1.05 2.6942 4 1 1 2 34.32 2.42 2.6131 1 2 3 2 34.92 1.09 2.5693 -3 2 1 2 38.39 2.99 2.3447 -3 1 4 2 38.51 4.26 2.3378 0 2 4 2 38.55 4.54 2.3353 3 1 4 2 39.64 1.69 2.2737 5 1 0 2 39.66 1.51 2.2724 0 3 1 2 39.68 2.21 2.2717 4 2 0 2 39.74 2.76 2.2684 1 3 0 2 40.44 1.01 2.2307 -3 2 3 2 40.55 2.78 2.2247 3 2 3 2 40.71 1.31 2.2164 -2 1 5 2 40.84 1.55 2.2098 2 1 5 2 41.39 4.91 2.1817 -2 2 4 2 41.49 2.32 2.1764 4 0 4 2 42.17 1.22 2.1430 -5 1 2 2 42.21 7.37 2.1408 -4 2 2 2 42.29 12.21 2.1371 5 1 2 2 42.31 9.23 2.1362 -1 3 2 2 42.31 1.20 2.1360 4 2 2 2 42.82 15.86 2.1117 0 0 6 2 44.72 1.84 2.0265 0 3 3 2 45.21 1.10 2.0058 6 0 0 2 45.30 1.49 2.0017 3 3 0 2 46.52 1.42 1.9520 5 2 1 2 47.30 1.02 1.9218 -2 3 3 2 47.48 2.95 1.9148 -6 0 2 2 47.61 4.14 1.9100 -3 3 2 2 47.62 1.05 1.9097 6 0 2 2 47.68 5.35 1.9074 3 3 2 2 49.23 32.51 1.8510 -5 1 4 2 49.28 4.24 1.8491 -4 2 4 2 49.40 1.73 1.8450 -1 3 4 2 49.44 31.26 1.8435 1 3 4 2 49.45 4.06 1.8433 5 1 4 2 49.45 25.59 1.8430 4 2 4 2 52.73 8.60 1.7359 6 2 0 2 52.85 2.26 1.7323 0 4 0 1 52.95 1.47 1.7292 -2 2 6 2 54.00 1.76 1.6982 -6 0 4 2 54.14 22.37 1.6939 -3 3 4 2 54.24 10.23 1.6911 6 0 4 2 54.27 1.87 1.6904 3 3 4 2 55.03 5.76 1.6687 7 1 0 2 55.11 5.92 1.6666 5 3 0 2 55.17 6.89 1.6647 2 4 0 2 57.24 1.07 1.6096 2 4 2 2 59.68 1.00 1.5494 -4 2 6 2 59.91 1.10 1.5439 5 1 6 2 60.37 1.50 1.5334 -2 0 8 2 60.49 3.12 1.5306 1 1 8 2 60.74 1.26 1.5249 -6 2 4 2 60.96 1.82 1.5199 0 4 4 2 61.80 1.15 1.5013 4 4 0 2 62.83 3.21 1.4791 -7 1 4 2 63.12 2.21 1.4729 5 3 4 2 63.12 2.58 1.4728 2 4 4 2 64.58 1.84 1.4431 -3 1 8 2 64.71 2.54 1.4404 0 2 8 2 64.80 2.41 1.4388 3 1 8 2 68.98 1.25 1.3613 -8 0 4 2 69.33 4.11 1.3554 4 4 4 2 71.91 2.01 1.3130 9 1 0 2 72.03 2.49 1.3111 6 4 0 2 72.10 1.79 1.3099 3 5 0 2 72.65 6.13 1.3014 -4 2 8 2 72.80 6.30 1.2991 -1 3 8 2 72.94 7.67 1.2969 5 1 8 2 75.01 5.27 1.2662 -7 3 4 2 75.23 4.32 1.2631 8 2 4 2 75.24 4.11 1.2629 -1 5 4 2 76.46 4.32 1.2458 -6 0 8 2 76.84 7.62 1.2406 3 3 8 2 78.78 1.68 1.2149 -9 1 4 2 79.15 1.26 1.2101 6 4 4 2 79.17 2.18 1.2098 3 5 4 2 82.23 1.60 1.1723 -6 2 8 2 82.53 1.30 1.1689 0 4 8 2 82.63 1.12 1.1677 6 2 8 2 83.54 4.86 1.1573 9 3 0 2 83.75 1.97 1.1549 0 6 0 1 84.07 1.29 1.1513 -7 1 8 2 84.20 1.09 1.1499 -5 3 8 2 84.49 1.66 1.1467 2 4 8 2 85.39 1.13 1.1369 10 2 0 2 85.49 1.46 1.1359 8 4 0 2 86.62 2.96 1.1239 -5 5 4 2 86.68 2.18 1.1233 10 0 4 2 89.94 1.95 1.0908 -4 4 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.