Arsenstruvite Ferraris G, Franchini-Angela M Acta Crystallographica B29 (1973) 859-863 Hydrogen bonding in the crystalline state. Refinement of the crystal structure of MgNH4AsO4*6(H2O), arsenstruvite Locality: synthetic _database_code_amcsd 0009477 CELL PARAMETERS: 7.0540 6.2050 11.3680 90.000 90.000 90.000 SPACE GROUP: Pmn2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 497.578 Density (g/cm3): 1.931 MAX. ABS. INTENSITY / VOLUME**2: 11.92651859 RIR: 2.011 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.27 16.97 6.2050 0 1 0 2 14.78 46.32 5.9938 1 0 1 2 15.59 47.06 5.6840 0 0 2 1 16.27 10.69 5.4465 0 1 1 2 19.05 1.49 4.6590 1 1 0 4 20.60 100.00 4.3110 1 1 1 4 21.20 38.88 4.1913 0 1 2 2 24.71 1.97 3.6032 1 1 2 4 25.25 12.65 3.5270 2 0 0 2 26.70 25.05 3.3382 1 0 3 2 28.78 4.74 3.1025 0 2 0 2 29.12 13.98 3.0663 2 1 0 4 29.81 7.45 2.9969 2 0 2 2 29.85 3.85 2.9930 0 2 1 2 30.19 20.26 2.9605 2 1 1 4 30.41 5.45 2.9398 1 1 3 4 31.48 21.74 2.8420 0 0 4 1 32.50 11.27 2.7553 1 2 1 4 32.89 30.76 2.7232 0 2 2 2 33.20 35.45 2.6986 2 1 2 4 34.72 3.85 2.5839 0 1 4 2 35.33 2.18 2.5405 1 2 2 4 37.05 1.97 2.4262 1 1 4 4 37.74 3.91 2.3836 2 1 3 4 38.65 4.92 2.3295 2 2 0 4 39.12 3.12 2.3026 3 0 1 2 39.49 1.82 2.2821 2 2 1 4 39.66 1.73 2.2726 1 2 3 4 41.05 1.01 2.1988 3 1 0 4 41.74 3.06 2.1640 1 0 5 2 41.85 4.01 2.1588 3 1 1 4 41.91 1.71 2.1555 2 2 2 4 43.17 3.40 2.0957 0 2 4 2 43.41 12.26 2.0844 2 1 4 4 43.77 2.78 2.0683 0 3 0 2 44.33 9.27 2.0433 1 1 5 4 45.39 4.91 1.9979 3 0 3 2 45.71 1.02 1.9848 1 3 0 4 45.72 4.29 1.9845 2 2 3 4 46.44 4.28 1.9552 1 3 1 4 48.02 1.39 1.8947 0 0 6 1 49.28 5.79 1.8490 3 2 1 4 49.72 1.46 1.8339 0 2 5 2 49.94 4.52 1.8263 2 1 5 4 50.25 2.45 1.8155 0 3 3 2 50.36 1.84 1.8121 0 1 6 2 50.67 3.17 1.8016 2 2 4 4 51.20 8.87 1.7842 2 3 0 4 51.49 4.13 1.7749 1 2 5 4 51.84 6.71 1.7635 4 0 0 2 51.87 1.82 1.7626 2 3 1 4 52.01 5.46 1.7582 1 3 3 4 52.63 2.29 1.7391 3 1 4 4 53.86 5.45 1.7023 2 3 2 4 54.06 1.05 1.6963 4 1 0 4 54.48 1.85 1.6843 4 0 2 2 54.64 3.02 1.6798 3 2 3 4 55.02 1.79 1.6691 2 0 6 2 56.28 2.16 1.6345 3 0 5 2 56.62 3.60 1.6255 4 1 2 4 56.95 4.52 1.6170 0 2 6 2 57.15 6.69 1.6118 2 1 6 4 58.30 1.16 1.5826 1 0 7 2 58.39 1.60 1.5806 3 1 5 4 60.13 1.78 1.5387 3 3 1 4 60.36 3.78 1.5335 1 1 7 4 61.35 2.46 1.5111 2 3 4 4 61.77 3.80 1.5018 1 4 1 4 61.92 1.60 1.4985 4 0 4 2 62.07 2.11 1.4952 1 3 5 4 62.77 3.63 1.4802 4 2 2 4 63.27 1.20 1.4699 2 2 6 4 63.91 1.64 1.4566 4 1 4 4 64.43 2.81 1.4461 3 2 5 4 64.89 2.17 1.4370 3 3 3 4 66.30 2.08 1.4098 1 2 7 4 68.06 3.45 1.3776 2 4 2 4 68.73 3.97 1.3657 5 1 1 4 68.97 1.51 1.3616 0 4 4 2 69.69 1.00 1.3493 4 2 4 4 70.13 1.49 1.3419 4 3 0 4 70.71 1.04 1.3323 3 2 6 4 71.34 1.02 1.3221 5 0 3 2 72.34 1.66 1.3063 3 1 7 4 72.81 2.05 1.2989 2 3 6 4 73.19 1.10 1.2931 5 1 3 4 73.27 1.06 1.2919 0 2 8 2 73.45 1.60 1.2893 2 1 8 4 73.63 4.22 1.2865 3 4 1 4 75.18 1.19 1.2638 4 1 6 4 75.67 1.48 1.2569 1 3 7 4 77.83 2.01 1.2273 3 2 7 4 78.45 1.41 1.2191 1 1 9 4 78.91 1.30 1.2131 2 2 8 4 80.61 1.72 1.1918 4 2 6 4 81.84 1.30 1.1770 5 1 5 4 87.58 1.07 1.1140 5 3 3 4 87.83 1.01 1.1115 2 3 8 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.