Paratacamite Fleet M E Acta Crystallographica B31 (1975) 183-187 The crystal structure of paratacamite, Cu2(OH)3Cl Sample: Ordered structure, considered to be the true structure _database_code_amcsd 0009525 CELL PARAMETERS: 13.6540 13.6540 14.0410 90.000 90.000 120.000 SPACE GROUP: R-3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 2266.984 Density (g/cm3): 3.701 MAX. ABS. INTENSITY / VOLUME**2: 50.13156906 RIR: 4.411 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.27 100.00 5.4490 0 2 1 6 18.96 15.52 4.6803 0 0 3 2 19.63 2.97 4.5223 2 0 2 6 26.11 5.33 3.4135 2 2 0 6 29.60 1.45 3.0184 0 2 4 6 30.91 21.82 2.8928 4 0 1 6 32.46 37.76 2.7579 4 -2 3 6 32.46 38.02 2.7579 2 2 3 6 32.87 18.50 2.7245 0 4 2 6 38.47 11.13 2.3402 0 0 6 2 39.87 57.34 2.2612 4 0 4 6 40.89 1.83 2.2069 2 4 1 6 40.89 1.84 2.2069 -2 6 1 6 44.50 8.80 2.0360 0 4 5 6 47.89 9.44 1.8995 0 2 7 6 50.23 5.05 1.8163 0 6 3 6 50.23 16.66 1.8163 6 0 3 6 52.32 1.74 1.7486 4 2 5 6 52.32 1.71 1.7486 6 -2 5 6 53.70 24.72 1.7068 4 4 0 6 55.35 3.58 1.6598 4 0 7 6 56.50 2.58 1.6287 6 2 1 6 56.50 2.65 1.6287 8 -2 1 6 57.47 1.18 1.6035 8 -4 3 6 57.47 1.18 1.6035 4 4 3 6 61.44 6.41 1.5092 0 4 8 6 61.52 1.17 1.5074 0 6 6 6 62.19 4.90 1.4927 2 4 7 6 62.19 4.94 1.4927 -2 6 7 6 63.26 2.97 1.4700 0 8 1 6 64.42 4.19 1.4464 8 0 2 6 65.82 1.44 1.4189 4 -2 9 6 65.82 1.45 1.4189 2 2 9 6 67.98 6.38 1.3790 8 -4 6 6 67.98 6.38 1.3790 4 4 6 6 68.93 6.72 1.3622 0 8 4 6 69.64 1.81 1.3501 4 6 1 6 69.64 1.78 1.3501 -4 10 1 6 72.23 1.74 1.3080 8 0 5 6 74.78 1.37 1.2696 6 2 7 6 74.78 1.38 1.2696 8 -2 7 6 74.87 5.79 1.2683 4 0 10 6 76.61 2.29 1.2438 2 8 3 6 76.61 1.49 1.2438 8 2 3 6 76.61 2.35 1.2438 -2 10 3 6 76.61 1.46 1.2438 10 -2 3 6 82.27 2.00 1.1719 0 4 11 6 85.98 1.32 1.1306 8 0 8 6 86.65 1.01 1.1236 4 6 7 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.