Preiswerkite Oberti R, Ungaretti L, Tlili A, Smith D C, Robert J-L American Mineralogist 78 (1993) 1290-1298 The crystal structure of preiswerkite Sample: KP9 _database_code_amcsd 0001620 CELL PARAMETERS: 5.2250 9.0500 9.7910 90.000 100.270 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 455.562 Density (g/cm3): 2.913 MAX. ABS. INTENSITY / VOLUME**2: 8.406266542 RIR: 0.940 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.18 100.00 9.6341 0 0 1 2 18.42 3.81 4.8171 0 0 2 2 19.62 16.01 4.5250 0 2 0 2 19.86 21.74 4.4703 1 1 0 4 20.57 8.13 4.3187 -1 1 1 4 23.20 4.08 3.8344 1 1 1 4 24.99 14.51 3.5637 -1 1 2 4 27.04 23.05 3.2981 0 2 2 4 27.78 67.40 3.2114 0 0 3 2 29.29 27.14 3.0495 1 1 2 4 31.69 21.84 2.8238 -1 1 3 4 34.24 12.57 2.6189 0 2 3 4 34.47 2.03 2.6020 -2 0 1 2 34.47 4.55 2.6019 1 3 0 4 34.90 59.25 2.5709 -1 3 1 4 34.90 30.43 2.5706 2 0 0 2 36.57 9.20 2.4572 -2 0 2 2 36.58 18.57 2.4567 1 3 1 4 36.91 4.85 2.4354 1 1 3 4 37.79 17.74 2.3808 -1 3 2 4 37.80 9.34 2.3803 2 0 1 2 40.87 7.35 2.2081 -2 0 3 2 40.88 15.46 2.2075 1 3 2 4 41.83 1.79 2.1593 -2 2 2 4 42.71 25.84 2.1172 -1 3 3 4 42.72 12.78 2.1166 2 0 2 2 42.93 3.19 2.1066 2 2 1 4 44.23 3.02 2.0479 0 4 2 4 45.72 1.78 1.9844 -2 2 3 4 46.87 3.33 1.9385 -2 0 4 2 46.88 6.87 1.9379 1 3 3 4 47.17 9.55 1.9268 0 0 5 2 49.18 9.61 1.8528 -1 3 4 4 49.19 4.64 1.8522 2 0 3 2 53.68 1.27 1.7073 -2 4 1 4 53.99 1.19 1.6985 -1 5 1 4 54.16 1.99 1.6935 -2 0 5 2 54.18 3.93 1.6930 1 3 4 4 55.19 1.80 1.6643 1 5 1 4 56.08 3.25 1.6399 2 4 1 4 56.84 15.73 1.6199 -1 3 5 4 56.85 7.89 1.6194 2 0 4 2 57.14 4.55 1.6119 -3 1 3 4 57.39 2.52 1.6057 0 0 6 2 58.41 4.55 1.5800 1 5 2 4 59.84 3.15 1.5457 2 4 2 4 61.41 1.35 1.5098 -3 1 4 4 61.48 18.87 1.5083 0 6 0 2 61.48 37.52 1.5083 -3 3 1 4 62.30 1.55 1.4903 -3 3 2 4 62.31 1.41 1.4902 0 6 1 4 62.31 1.38 1.4901 3 3 0 4 62.50 10.56 1.4861 -2 0 6 2 62.52 21.17 1.4857 1 3 5 4 65.50 1.73 1.4251 -1 3 6 4 68.13 1.55 1.3763 0 0 7 2 68.75 5.08 1.3654 -3 3 4 4 68.76 5.03 1.3652 0 6 3 4 68.77 4.89 1.3651 3 3 2 4 71.67 1.06 1.3167 0 2 7 4 71.80 5.27 1.3148 -2 0 7 2 71.82 10.49 1.3145 1 3 6 4 72.68 2.92 1.3010 -4 0 2 2 72.68 6.00 1.3009 2 6 0 4 74.46 1.54 1.2742 -4 0 3 2 74.47 3.11 1.2741 2 6 1 4 75.26 1.48 1.2626 -2 2 7 4 75.80 1.08 1.2550 -3 5 1 4 75.88 1.24 1.2538 1 7 0 4 76.48 2.94 1.2455 -2 6 3 4 76.50 1.54 1.2453 4 0 1 2 77.89 1.35 1.2265 -1 7 2 4 78.56 1.62 1.2177 2 2 6 4 78.80 2.00 1.2146 -3 5 3 4 79.90 2.46 1.2006 4 2 1 4 80.93 2.04 1.1879 -3 3 6 4 80.94 2.04 1.1877 0 6 5 4 80.96 1.98 1.1875 3 3 4 4 81.12 2.14 1.1856 -1 7 3 4 81.94 1.35 1.1758 0 4 7 4 82.47 1.47 1.1696 2 6 3 4 82.52 1.14 1.1690 -3 5 4 4 88.58 2.31 1.1040 -4 0 6 2 88.61 4.47 1.1037 2 6 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.