NH4Cr(SO4)2*12H2O Rempfer N, Lerner H W, Bolte M Acta Crystallographica E60 (2004) i80-i81 The ammonium chromium(III) alum NH4Cr(SO4)2*12H2O _database_code_amcsd 0010434 CELL PARAMETERS: 12.2491 12.2491 12.2491 90.000 90.000 90.000 SPACE GROUP: Pa3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1837.860 Density (g/cm3): 1.729 MAX. ABS. INTENSITY / VOLUME**2: 6.753993943 RIR: 1.272 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.52 71.92 7.0720 1 1 1 8 16.18 31.36 5.4780 2 1 0 12 17.74 15.29 5.0007 2 1 1 24 20.51 100.00 4.3307 2 2 0 12 21.77 45.81 4.0830 2 2 1 24 24.10 55.38 3.6932 3 1 1 24 26.23 1.84 3.3973 3 0 2 12 27.24 23.61 3.2737 3 2 1 24 27.24 53.26 3.2737 3 1 2 24 29.16 42.87 3.0623 4 0 0 6 30.08 13.62 2.9708 4 1 0 12 30.08 1.80 2.9708 3 2 2 24 30.97 8.27 2.8871 4 1 1 24 31.84 11.07 2.8101 3 3 1 24 32.69 18.29 2.7390 4 2 0 12 33.53 7.15 2.6730 4 1 2 24 34.34 11.95 2.6115 3 3 2 24 35.92 8.63 2.5003 4 2 2 24 37.44 3.17 2.4022 4 3 1 24 38.18 7.71 2.3573 5 1 1 24 38.18 2.94 2.3573 3 3 3 8 39.62 3.34 2.2746 4 3 2 24 40.33 5.46 2.2364 5 1 2 24 41.71 3.56 2.1654 4 4 0 12 42.39 5.80 2.1323 4 4 1 24 43.06 1.62 2.1007 4 3 3 24 43.72 3.94 2.0705 5 3 1 24 43.72 15.79 2.0705 5 1 3 24 44.37 9.97 2.0415 6 0 0 6 45.02 7.14 2.0137 6 1 0 12 45.66 2.78 1.9871 6 1 1 24 45.66 5.92 1.9871 5 3 2 24 46.91 21.20 1.9368 6 0 2 12 46.91 6.43 1.9368 6 2 0 12 48.14 1.01 1.8901 5 1 4 24 48.75 1.31 1.8680 5 3 3 24 49.35 1.55 1.8466 6 2 2 24 49.95 2.48 1.8260 5 4 2 24 49.95 1.75 1.8260 5 2 4 24 50.54 6.45 1.8060 6 3 1 24 52.85 2.06 1.7323 5 4 3 24 53.42 10.37 1.7152 7 1 1 24 53.42 2.51 1.7152 5 5 1 24 53.98 6.15 1.6986 6 4 0 12 54.54 1.38 1.6825 6 4 1 24 56.20 5.21 1.6369 6 4 2 24 56.20 6.49 1.6369 6 2 4 24 56.74 5.20 1.6224 7 2 2 24 57.82 2.95 1.5947 7 3 1 24 57.82 4.43 1.5947 5 5 3 24 59.41 1.59 1.5556 6 5 1 24 61.50 1.63 1.5078 7 1 4 24 62.02 1.98 1.4965 7 3 3 24 62.53 3.21 1.4854 8 0 2 12 62.53 3.18 1.4854 8 2 0 12 63.04 1.54 1.4746 7 2 4 24 64.56 5.66 1.4436 6 6 0 12 65.56 1.52 1.4239 7 4 3 24 66.06 1.89 1.4144 7 5 1 24 66.06 4.68 1.4144 7 1 5 24 66.55 1.45 1.4051 6 6 2 24 68.52 1.54 1.3695 8 0 4 12 69.00 4.20 1.3610 8 4 1 24 70.94 1.27 1.3286 7 0 6 12 71.42 1.02 1.3209 9 2 1 24 72.37 3.06 1.3058 6 6 4 24 72.85 1.58 1.2984 9 2 2 24 76.14 1.15 1.2502 8 4 4 24 77.54 1.57 1.2311 7 7 1 24 77.54 1.91 1.2311 7 5 5 24 79.86 4.68 1.2011 8 6 2 24 79.86 1.58 1.2011 8 2 6 24 81.24 1.74 1.1842 7 7 3 24 81.70 1.35 1.1787 6 6 6 8 85.81 1.27 1.1324 10 4 1 24 88.08 1.59 1.1090 9 4 5 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.