Mereiterite Hertweck B, Giester G, Libowitzky E American Mineralogist 86 (2001) 1282-1292 The crystal structures of the low-temperature phases of leonite-type compounds, K2Me(SO4)2.4H2O (Me=Mg,Mn,Fe) Sample: K2Fe(SO4)2.4H2O, T = 185 K _database_code_amcsd 0002733 CELL PARAMETERS: 11.8340 9.5020 9.9130 90.000 94.870 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 1110.660 Density (g/cm3): 2.381 MAX. ABS. INTENSITY / VOLUME**2: 9.555494059 RIR: 1.307 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.57 32.42 6.0790 -1 1 1 4 15.03 10.27 5.8956 2 0 0 2 15.34 12.30 5.7758 1 1 1 4 16.85 6.98 5.2628 -2 0 1 2 17.96 25.91 4.9386 0 0 2 2 18.17 2.13 4.8832 2 0 1 2 18.68 29.76 4.7510 0 2 0 2 21.09 7.62 4.2125 -1 1 2 4 22.17 11.47 4.0101 1 1 2 4 24.51 1.17 3.6320 3 1 0 4 25.25 7.80 3.5266 -2 2 1 4 25.46 65.13 3.4989 -3 1 1 4 26.02 100.00 3.4239 0 2 2 4 26.17 4.10 3.4053 2 2 1 4 26.81 53.18 3.3254 3 1 1 4 29.09 6.83 3.0694 -1 1 3 4 29.19 7.14 3.0589 1 3 0 4 29.36 1.85 3.0420 -3 1 2 4 29.39 16.60 3.0395 -2 2 2 4 29.94 1.53 2.9844 -2 0 3 2 30.30 1.02 2.9502 1 1 3 4 30.32 2.83 2.9478 4 0 0 2 30.40 3.91 2.9403 -1 3 1 4 30.79 2.13 2.9040 1 3 1 4 30.91 8.24 2.8928 -4 0 1 2 30.97 7.42 2.8879 2 2 2 4 32.25 16.24 2.7760 2 0 3 2 32.42 7.67 2.7612 4 0 1 2 33.10 2.03 2.7061 0 2 3 4 34.07 13.90 2.6314 -4 0 2 2 34.14 3.53 2.6265 -1 3 2 4 34.84 2.69 2.5752 1 3 2 4 35.33 1.85 2.5405 -3 1 3 4 35.52 3.72 2.5272 -2 2 3 4 35.85 12.14 2.5048 4 2 0 4 36.36 2.62 2.4708 -4 2 1 4 36.38 6.54 2.4693 0 0 4 2 36.81 2.23 2.4416 4 0 2 2 37.52 16.80 2.3968 2 2 3 4 37.68 3.83 2.3873 4 2 1 4 37.79 13.02 2.3807 -1 1 4 4 37.87 21.45 2.3755 0 4 0 2 38.08 5.25 2.3634 3 3 1 4 38.31 1.68 2.3493 3 1 3 4 38.66 1.95 2.3287 1 4 0 4 39.07 2.23 2.3057 1 1 4 4 39.25 4.52 2.2951 -4 0 3 2 39.78 2.15 2.2660 -1 3 3 4 40.70 4.84 2.2168 1 3 3 4 41.72 11.70 2.1652 -2 4 1 4 42.12 2.22 2.1452 -5 1 2 4 42.22 2.04 2.1407 0 4 2 4 42.31 4.76 2.1362 2 4 1 4 42.94 5.83 2.1063 -2 2 4 4 43.81 7.50 2.0666 -4 2 3 4 44.49 1.18 2.0364 -2 4 2 4 44.72 2.01 2.0263 -3 3 3 4 45.01 1.54 2.0143 5 1 2 4 45.22 4.11 2.0051 2 2 4 4 45.89 1.27 1.9774 -4 0 4 2 46.19 15.69 1.9652 6 0 0 2 46.97 1.77 1.9344 -1 1 5 4 47.21 4.56 1.9253 3 3 3 4 47.27 3.73 1.9229 -2 0 5 2 47.85 1.53 1.9010 1 3 4 4 48.32 4.58 1.8837 1 1 5 4 49.26 3.64 1.8497 4 4 0 4 49.32 1.46 1.8478 -1 5 1 4 49.58 4.60 1.8387 1 5 1 4 49.66 1.75 1.8358 -4 4 1 4 49.96 6.86 1.8256 -4 2 4 4 50.17 1.78 1.8185 4 0 4 2 50.69 4.63 1.8008 4 4 1 4 51.25 1.03 1.7825 -2 2 5 4 51.85 3.64 1.7633 -4 4 2 4 52.29 2.86 1.7494 -6 2 2 4 53.01 2.18 1.7276 5 3 2 4 53.53 12.56 1.7119 0 4 4 4 53.76 2.44 1.7052 2 2 5 4 53.84 5.43 1.7026 4 4 2 4 53.99 3.23 1.6983 4 2 4 4 54.06 2.37 1.6964 -3 5 1 4 54.60 1.45 1.6809 3 1 5 4 54.76 2.60 1.6764 -1 3 5 4 54.79 2.21 1.6754 3 5 1 4 55.25 6.33 1.6627 6 2 2 4 55.40 4.48 1.6585 -7 1 1 4 56.09 1.30 1.6396 -1 5 3 4 56.63 1.37 1.6254 -1 1 6 4 56.77 2.24 1.6216 -2 0 6 2 57.07 3.48 1.6138 7 1 1 4 57.39 1.01 1.6055 -6 0 4 2 58.04 1.06 1.5891 1 1 6 4 58.26 2.07 1.5837 0 6 0 2 58.27 2.30 1.5835 -3 3 5 4 59.42 1.70 1.5555 0 2 6 4 59.58 1.40 1.5518 2 0 6 2 59.84 1.72 1.5457 -3 1 6 4 60.01 1.27 1.5416 -3 5 3 4 60.35 3.73 1.5337 -7 1 3 4 60.96 1.08 1.5198 -4 4 4 4 61.21 3.66 1.5142 6 4 0 4 61.49 5.89 1.5080 0 6 2 4 61.71 1.37 1.5032 3 3 5 4 61.88 1.61 1.4994 4 2 5 4 62.05 1.20 1.4957 3 5 3 4 62.45 3.47 1.4872 -7 3 1 4 63.59 1.23 1.4631 -1 3 6 4 64.01 4.04 1.4547 7 3 1 4 65.05 1.40 1.4339 7 1 3 4 66.88 1.02 1.3989 -2 6 3 4 67.09 2.54 1.3951 4 6 0 4 67.48 2.19 1.3880 4 0 6 2 70.84 2.26 1.3302 -6 4 4 4 71.54 1.04 1.3188 7 3 3 4 71.62 1.24 1.3176 -3 5 5 4 72.80 1.10 1.2992 2 4 6 4 74.28 1.19 1.2769 -3 7 1 4 74.73 1.57 1.2703 3 5 5 4 74.89 1.23 1.2680 -8 2 4 4 75.19 1.50 1.2636 -4 4 6 4 75.41 1.76 1.2605 -7 5 1 4 75.58 1.50 1.2580 8 2 3 4 75.81 1.76 1.2548 6 4 4 4 76.46 1.10 1.2458 -1 5 6 4 76.84 3.00 1.2406 7 5 1 4 77.37 1.15 1.2334 -7 3 5 4 77.43 1.22 1.2325 -8 0 5 2 78.31 1.42 1.2210 7 1 5 4 79.03 1.61 1.2116 -6 6 2 4 79.71 1.43 1.2030 -7 5 3 4 80.94 1.93 1.1877 0 8 0 2 82.30 1.64 1.1715 2 4 7 4 84.70 1.31 1.1444 10 2 0 4 84.98 1.02 1.1413 0 6 6 4 89.60 1.01 1.0941 4 4 7 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.