Svenekite Ferraris G, Jones D W, Yerkess J Acta Crystallographica B28 (1972) 2430-2437 A neutron diffraction study of the crystal structure of calcium bis(dihydrogen arsenate), Ca(H2AsO4)2 Locality: synthetic _database_code_amcsd 0018340 CELL PARAMETERS: 8.5580 7.6970 5.7210 92.350 109.520 109.590 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 329.621 Density (g/cm3): 3.243 MAX. ABS. INTENSITY / VOLUME**2: 12.91396557 RIR: 1.296 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.81 5.68 7.4918 1 0 0 2 12.39 11.83 7.1430 0 1 0 2 13.59 8.72 6.5141 -1 1 0 2 16.51 1.05 5.3692 -1 0 1 2 16.69 6.27 5.3115 0 0 1 2 19.03 15.17 4.6645 0 -1 1 2 19.76 56.33 4.4936 -1 1 1 2 21.59 40.04 4.1151 -1 -1 1 2 22.34 42.85 3.9789 -2 1 0 2 22.52 12.20 3.9488 0 1 1 2 23.28 24.96 3.8208 1 -1 1 2 23.46 32.61 3.7915 -2 0 1 2 23.63 61.94 3.7649 -2 1 1 2 23.75 11.44 3.7459 2 0 0 2 23.85 85.19 3.7310 1 0 1 2 24.93 100.00 3.5715 0 2 0 2 27.38 28.79 3.2571 -2 2 0 2 27.59 6.18 3.2330 0 -2 1 2 28.84 69.91 3.0954 1 -2 1 2 29.32 24.87 3.0460 -2 -1 1 2 29.73 22.29 3.0051 -2 2 1 2 30.23 35.03 2.9569 1 1 1 2 30.79 22.36 2.9042 2 1 0 2 31.30 25.77 2.8577 -1 0 2 2 31.92 11.14 2.8038 -3 1 1 2 32.53 4.52 2.7523 0 2 1 2 33.25 21.36 2.6945 -1 -1 2 2 33.38 4.54 2.6846 -2 0 2 2 33.54 36.31 2.6719 -3 0 1 2 33.75 2.22 2.6558 0 0 2 2 33.92 6.59 2.6425 0 -1 2 2 34.00 5.73 2.6365 2 0 1 2 34.59 11.78 2.5933 2 -2 1 2 35.16 11.37 2.5521 -3 2 1 2 35.41 1.14 2.5347 -3 2 0 2 36.45 4.96 2.4651 -2 3 0 2 37.78 4.65 2.3810 0 3 0 2 38.12 3.49 2.3608 1 -3 1 2 38.13 1.29 2.3600 0 1 2 2 38.66 1.62 2.3292 1 -1 2 2 38.68 7.81 2.3276 0 -3 1 2 38.75 6.22 2.3238 -2 -2 1 2 39.28 11.67 2.2935 -2 3 1 2 39.50 2.41 2.2814 -3 -1 1 2 39.51 9.57 2.2809 -1 -2 2 2 39.92 2.79 2.2582 1 2 1 2 39.99 3.59 2.2545 1 0 2 2 40.00 2.47 2.2542 -1 3 1 2 40.36 4.98 2.2347 2 1 1 2 41.32 38.12 2.1848 -1 2 2 2 41.37 2.04 2.1827 2 -3 1 2 42.55 3.49 2.1248 3 1 0 2 42.63 10.42 2.1208 -3 2 2 2 42.94 2.00 2.1064 -1 -3 1 2 43.26 4.77 2.0913 3 -2 1 2 43.59 3.92 2.0762 -4 2 1 2 43.76 1.85 2.0687 -3 -1 2 2 44.01 1.70 2.0576 -2 -2 2 2 44.98 2.73 2.0153 -4 0 1 2 45.19 1.58 2.0066 1 1 2 2 45.27 15.52 2.0029 -4 1 0 2 45.49 3.35 1.9940 3 0 1 2 45.60 4.05 1.9894 -4 2 0 2 46.35 1.88 1.9588 -4 1 2 2 46.40 7.93 1.9571 2 -1 2 2 47.60 3.99 1.9104 2 -2 2 2 47.60 2.92 1.9102 -2 4 0 2 47.88 6.47 1.8997 1 -3 2 2 48.46 4.18 1.8785 -3 -2 1 2 48.48 2.14 1.8776 -4 3 1 2 48.61 5.02 1.8730 4 0 0 2 48.69 17.31 1.8703 -1 -3 2 2 48.75 1.26 1.8681 -2 3 2 2 49.39 7.45 1.8453 1 -4 1 2 49.53 5.49 1.8403 -4 3 0 2 49.58 1.47 1.8386 2 2 1 2 49.68 1.59 1.8351 -3 3 2 2 49.77 4.06 1.8319 -2 1 3 2 50.11 10.41 1.8203 -2 -3 1 2 50.64 2.51 1.8026 -3 4 0 2 50.72 5.54 1.7998 -2 4 1 2 50.86 2.89 1.7951 2 -4 1 2 51.15 4.39 1.7857 0 4 0 2 51.35 5.55 1.7794 -3 -2 2 2 51.45 8.19 1.7760 1 3 1 2 51.49 1.72 1.7747 -3 1 3 2 51.62 16.42 1.7705 0 0 3 2 52.04 3.93 1.7574 -3 4 1 2 52.24 2.57 1.7511 2 -3 2 2 52.64 3.08 1.7388 2 3 0 2 53.67 11.85 1.7077 0 -2 3 2 53.94 2.87 1.6999 -5 2 1 2 53.94 3.08 1.6998 -3 -1 3 2 54.51 2.96 1.6835 2 1 2 2 54.80 2.41 1.6752 -2 2 3 2 55.11 12.30 1.6665 4 1 0 2 55.32 4.33 1.6607 3 -4 1 2 55.59 1.43 1.6532 0 1 3 2 55.93 12.13 1.6441 -5 1 2 2 56.14 7.31 1.6384 3 -2 2 2 56.15 2.35 1.6382 -4 1 3 2 56.21 2.88 1.6364 3 -1 2 2 56.30 5.65 1.6340 -4 4 1 2 56.51 4.83 1.6285 -4 4 0 2 57.18 1.94 1.6109 0 4 1 2 58.63 3.10 1.5747 -4 2 3 2 59.22 4.50 1.5603 -3 4 2 2 59.44 1.56 1.5550 3 0 2 2 59.45 1.06 1.5548 0 -3 3 2 59.46 2.49 1.5544 -3 -3 1 2 59.73 2.41 1.5481 -4 -2 1 2 59.75 1.39 1.5477 2 -4 2 2 59.85 3.02 1.5453 -1 -4 2 2 60.17 4.31 1.5380 -2 5 0 2 60.31 8.40 1.5346 -5 3 2 2 60.65 4.70 1.5269 -4 -1 3 2 60.83 2.97 1.5229 3 2 1 2 61.29 1.29 1.5123 -3 -3 2 2 62.43 7.09 1.4875 0 2 3 2 62.54 5.68 1.4852 -1 4 2 2 62.58 4.66 1.4843 -2 3 3 2 62.79 4.26 1.4800 -2 -3 3 2 63.12 2.17 1.4729 -5 4 1 2 63.16 1.25 1.4722 3 3 0 2 63.53 1.22 1.4643 2 -1 3 2 63.75 2.82 1.4599 1 3 2 2 63.83 1.92 1.4583 2 -2 3 2 63.97 6.04 1.4554 -5 -1 2 2 64.05 1.76 1.4538 -4 3 3 2 65.19 4.09 1.4311 3 -4 2 2 65.19 1.16 1.4310 3 -5 1 2 65.30 1.20 1.4289 -2 0 4 2 65.32 1.38 1.4286 0 5 0 2 65.54 3.57 1.4244 3 1 2 2 65.74 1.11 1.4204 2 4 0 2 66.12 3.80 1.4131 -2 -1 4 2 66.13 4.44 1.4130 -1 5 1 2 66.19 1.26 1.4118 2 0 3 2 66.41 1.79 1.4078 -3 0 4 2 66.88 4.25 1.3989 -6 1 1 2 67.05 2.80 1.3958 2 -3 3 2 67.18 6.20 1.3935 5 -1 1 2 67.19 4.07 1.3933 5 -3 1 2 67.40 3.28 1.3894 -2 1 4 2 67.53 3.53 1.3871 -6 3 1 2 67.81 3.83 1.3820 0 -4 3 2 68.04 3.10 1.3780 1 -5 2 2 68.39 1.54 1.3717 -3 -3 3 2 69.63 2.96 1.3502 -1 -5 1 2 69.94 2.00 1.3451 -1 1 4 2 70.10 1.70 1.3423 -4 0 4 2 70.74 1.46 1.3318 -3 5 2 2 70.86 2.52 1.3299 -6 0 1 2 71.37 2.45 1.3216 -3 2 4 2 71.58 1.06 1.3182 4 0 2 2 72.06 1.82 1.3106 -4 4 3 2 72.30 1.97 1.3069 -2 2 4 2 72.68 2.95 1.3010 -1 -5 2 2 72.82 1.60 1.2988 -6 2 3 2 72.86 1.28 1.2981 -3 -2 4 2 72.92 1.07 1.2973 -2 -4 3 2 72.96 2.05 1.2967 4 -4 2 2 73.01 1.25 1.2959 2 -4 3 2 73.18 2.79 1.2934 -3 -4 2 2 74.93 1.65 1.2674 -6 4 0 2 75.29 3.45 1.2622 4 3 0 2 75.36 1.20 1.2612 1 -1 4 2 75.77 1.16 1.2554 0 -3 4 2 75.88 1.91 1.2539 -5 5 2 2 75.96 2.06 1.2527 1 -2 4 2 76.14 1.92 1.2502 1 -6 1 2 76.18 1.75 1.2497 -2 -3 4 2 76.25 1.26 1.2486 6 0 0 2 76.30 4.33 1.2480 -4 -3 3 2 76.92 1.44 1.2395 -3 6 1 2 77.09 1.91 1.2372 3 -6 1 2 77.11 1.16 1.2369 -5 2 4 2 77.43 1.85 1.2326 -4 6 0 2 77.49 1.19 1.2318 -6 -1 1 2 78.36 1.18 1.2203 -4 -2 4 2 78.37 4.07 1.2202 5 1 1 2 78.39 2.08 1.2198 5 -5 1 2 78.52 1.83 1.2182 -4 6 1 2 78.70 2.67 1.2158 1 5 1 2 79.31 1.69 1.2080 -6 5 1 2 80.31 1.13 1.1954 2 5 0 2 80.72 1.15 1.1905 0 6 0 2 81.45 1.42 1.1816 -6 4 3 2 81.50 1.09 1.1810 2 -5 3 2 82.33 1.30 1.1712 1 1 4 2 82.47 1.83 1.1695 -5 -3 2 2 82.78 2.28 1.1660 -6 1 4 2 82.90 1.71 1.1646 2 -2 4 2 83.09 1.05 1.1624 4 -2 3 2 83.20 1.04 1.1612 0 4 3 2 84.08 1.33 1.1512 -1 3 4 2 84.14 1.67 1.1506 4 -3 3 2 84.51 1.03 1.1464 3 -6 2 2 84.64 1.45 1.1450 -6 0 4 2 84.72 2.32 1.1441 4 -1 3 2 84.91 1.46 1.1421 -2 5 3 2 84.98 1.79 1.1413 3 4 1 2 85.08 1.19 1.1402 3 3 2 2 85.21 1.10 1.1388 -2 -5 3 2 85.28 1.29 1.1381 1 -4 4 2 86.63 1.36 1.1238 -6 -2 1 2 86.66 1.09 1.1234 -4 4 4 2 87.11 1.30 1.1188 -6 3 4 2 87.86 1.35 1.1111 4 -4 3 2 89.17 1.06 1.0982 -6 -1 4 2 89.77 1.06 1.0924 -2 4 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.