Ca5H2(AsO4)4*5H2O Catti M, Ivaldi G Zeitschrift fur Kristallographie 157 (1981) 119-130 Mechanism of the reaction Ca5H2(AsO4)4*9H2O (ferrarisite) -> Ca5H2(AsO4)4*5H2O) (dimorph of vladimirite), and structure of the latter phase Note: formed by dehydrating ferrarisite at 60 C Locality: Sainte-Marie-aux-Mines (Alsace), France _database_code_amcsd 0010836 CELL PARAMETERS: 8.2860 6.6730 9.7430 86.580 111.100 99.740 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 495.351 Density (g/cm3): 2.872 MAX. ABS. INTENSITY / VOLUME**2: 23.62417891 RIR: 2.678 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.73 100.00 9.0898 0 0 1 2 11.59 4.52 7.6326 1 0 0 2 16.34 17.86 5.4260 -1 1 0 2 16.63 6.78 5.3318 0 -1 1 2 16.65 16.95 5.3249 0 1 1 2 16.79 3.67 5.2806 -1 1 1 2 17.63 1.11 5.0302 1 0 1 2 18.84 2.64 4.7103 -1 0 2 2 19.16 8.86 4.6322 1 1 0 2 19.53 1.43 4.5451 -1 -1 1 2 19.53 8.55 4.5449 0 0 2 2 21.08 5.02 4.2154 1 -1 1 2 21.82 7.56 4.0737 -2 0 1 2 23.31 12.53 3.8163 2 0 0 2 23.67 4.00 3.7586 -2 1 1 2 23.78 4.17 3.7413 0 -1 2 2 24.55 8.86 3.6259 -2 0 2 2 25.05 12.02 3.5546 -2 1 0 2 26.23 4.56 3.3974 -2 1 2 2 27.12 4.61 3.2884 0 2 0 2 28.07 23.95 3.1791 -1 2 1 2 28.62 9.49 3.1190 1 -1 2 2 28.85 7.42 3.0946 2 1 0 2 29.48 7.27 3.0299 0 0 3 2 29.86 13.66 2.9920 2 -1 1 2 29.87 4.44 2.9917 -2 -1 2 2 29.94 2.24 2.9845 -1 1 3 2 30.39 8.61 2.9410 1 1 2 2 30.45 26.12 2.9352 -2 0 3 2 30.88 8.64 2.8956 1 -2 1 2 31.51 8.22 2.8394 -1 -2 1 2 31.59 3.47 2.8325 -1 -1 3 2 31.65 11.20 2.8274 -1 2 2 2 32.52 1.93 2.7533 0 -1 3 2 33.17 13.33 2.7010 2 1 1 2 33.54 2.41 2.6722 -3 1 1 2 34.11 2.77 2.6286 1 2 1 2 34.74 8.41 2.5819 -1 -2 2 2 34.95 2.82 2.5675 -2 -1 3 2 35.28 2.66 2.5442 3 0 0 2 35.76 1.07 2.5106 -3 1 0 2 37.04 2.45 2.4268 -1 0 4 2 37.46 2.76 2.4007 1 -1 3 2 37.68 1.95 2.3874 -1 2 3 2 37.95 2.69 2.3708 -2 -2 1 2 38.21 2.35 2.3551 -2 0 4 2 38.88 3.48 2.3160 1 1 3 2 39.42 1.02 2.2859 1 2 2 2 39.69 2.48 2.2708 2 1 2 2 40.06 1.46 2.2510 3 0 1 2 40.24 1.26 2.2413 -1 -1 4 2 41.20 1.25 2.1912 -1 3 1 2 41.28 2.42 2.1871 -3 2 0 2 41.98 1.42 2.1523 -2 -1 4 2 42.05 2.70 2.1487 0 -1 4 2 42.09 1.48 2.1469 0 1 4 2 43.00 1.79 2.1036 -3 2 3 2 43.75 1.63 2.0692 -2 -2 3 2 44.03 1.09 2.0567 1 -2 3 2 44.28 2.80 2.0456 -4 1 2 2 45.29 1.24 2.0022 2 -1 3 2 45.35 1.04 2.0000 -1 2 4 2 45.99 1.13 1.9735 0 3 2 2 46.92 1.01 1.9364 1 3 1 2 47.09 1.87 1.9299 3 -1 2 2 47.35 1.36 1.9199 2 -3 1 2 47.65 1.16 1.9085 -1 -2 4 2 47.68 2.55 1.9072 1 -3 2 2 48.15 4.33 1.8897 -3 2 4 2 48.65 2.51 1.8715 -1 1 5 2 48.80 3.13 1.8661 -3 3 1 2 49.00 3.64 1.8591 -4 -1 2 2 50.46 1.92 1.8087 -3 3 0 2 50.73 2.91 1.7995 -4 -1 3 2 51.13 4.06 1.7863 1 3 2 2 51.61 1.27 1.7711 3 -2 2 2 52.19 1.31 1.7526 4 -1 1 2 53.90 2.00 1.7011 1 -3 3 2 54.17 1.15 1.6933 -1 2 5 2 54.66 1.21 1.6792 2 -1 4 2 54.70 1.56 1.6780 -3 -2 4 2 54.96 3.07 1.6706 -3 2 5 2 55.92 1.43 1.6442 0 4 0 2 56.86 1.10 1.6194 -2 0 6 2 57.10 1.03 1.6131 1 3 3 2 58.41 2.23 1.5799 -3 -3 1 2 58.77 1.32 1.5712 4 0 2 2 59.16 1.21 1.5618 3 -2 3 2 60.98 1.47 1.5193 -3 -2 5 2 61.20 1.03 1.5145 -2 4 3 2 62.92 1.14 1.4772 -1 3 5 2 63.38 1.28 1.4676 -4 0 6 2 64.10 1.23 1.4528 2 0 5 2 68.26 1.11 1.3741 3 3 2 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.