Zippeite Vochten R, Van Haverbeke L, Van Springel K, Blaton N, Peeters O M The Canadian Mineralogist 33 (1995) 1091-1101 The structure and physicochemical characteristics of synthetic zippeite Note: S occupancies increase from .5 to full to match formula _database_code_amcsd 0005465 CELL PARAMETERS: 8.7550 13.9870 17.7300 90.000 104.130 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 2105.459 Density (g/cm3): 4.690 MAX. ABS. INTENSITY / VOLUME**2: 170.6276913 RIR: 11.847 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.29 20.02 8.5968 0 0 2 2 12.21 2.00 7.2504 -1 1 1 4 12.66 100.00 6.9935 0 2 0 2 14.20 1.30 6.2364 1 1 1 4 16.34 11.06 5.4251 0 2 2 4 20.66 8.01 4.2984 0 0 4 2 20.93 3.74 4.2451 2 0 0 2 20.96 4.42 4.2393 -2 0 2 2 22.95 4.82 3.8748 1 3 1 4 24.31 5.12 3.6620 0 2 4 4 24.53 6.08 3.6289 2 2 0 4 24.56 6.70 3.6252 -2 2 2 4 25.23 1.21 3.5292 -1 3 3 4 25.47 20.29 3.4968 0 4 0 2 25.57 17.99 3.4836 2 0 2 2 25.64 17.28 3.4740 -2 0 4 2 27.54 3.38 3.2391 0 4 2 4 28.63 33.82 3.1182 2 2 2 4 28.69 34.35 3.1113 -2 2 4 4 31.21 14.47 2.8656 0 0 6 2 33.02 2.82 2.7125 0 4 4 4 33.08 1.03 2.7079 2 0 4 2 33.19 1.07 2.6990 2 4 0 4 33.21 1.44 2.6975 -2 4 2 4 33.80 13.75 2.6516 0 2 6 4 34.55 2.64 2.5960 1 5 1 4 36.16 1.24 2.4840 -1 5 3 4 36.40 6.14 2.4679 2 4 2 4 36.46 6.72 2.4645 -2 4 4 4 38.62 2.69 2.3312 0 6 0 2 40.08 1.97 2.2499 0 6 2 4 40.71 9.43 2.2164 0 4 6 4 41.25 7.66 2.1887 -4 0 2 2 41.33 1.41 2.1847 -1 5 5 4 42.13 1.73 2.1447 2 0 6 2 42.24 1.89 2.1394 -2 0 8 2 42.59 1.52 2.1225 4 0 0 2 42.66 1.28 2.1196 -4 0 4 2 43.32 6.55 2.0888 -4 2 2 4 44.08 1.27 2.0544 0 2 8 4 44.17 3.06 2.0504 2 2 6 4 44.27 3.14 2.0459 -2 2 8 4 44.33 1.21 2.0433 2 6 0 4 44.35 1.15 2.0427 -2 6 2 4 44.61 2.04 2.0310 4 2 0 4 44.67 1.34 2.0285 -4 2 4 4 45.63 1.07 1.9882 -3 5 3 4 46.51 1.12 1.9527 4 0 2 2 46.62 1.10 1.9482 -4 0 6 2 46.90 5.22 1.9374 2 6 2 4 46.94 5.55 1.9357 -2 6 4 4 47.33 2.97 1.9207 1 7 1 4 48.51 1.29 1.8767 -4 2 6 4 48.58 1.18 1.8740 -1 7 3 4 49.11 6.04 1.8553 -4 4 2 4 49.88 1.14 1.8282 2 4 6 4 49.98 1.34 1.8250 -2 4 8 4 50.47 3.61 1.8084 0 6 6 4 51.12 1.78 1.7869 3 5 3 4 52.19 2.35 1.7528 2 0 8 2 52.30 2.19 1.7491 -2 0 10 2 52.33 1.65 1.7484 0 8 0 2 52.54 3.16 1.7418 4 0 4 2 52.70 3.03 1.7370 -4 0 8 2 52.76 1.80 1.7350 -1 7 5 4 53.93 4.42 1.7002 2 2 8 4 54.04 4.29 1.6968 -2 2 10 4 54.27 3.84 1.6902 4 2 4 4 54.43 3.83 1.6858 -4 2 8 4 55.00 1.50 1.6696 0 2 10 4 56.39 1.41 1.6315 -3 7 3 4 57.78 2.36 1.5957 -4 6 2 4 58.94 2.65 1.5669 2 4 8 4 59.05 2.76 1.5643 -2 4 10 4 59.12 1.41 1.5626 2 8 2 4 59.16 1.39 1.5617 -2 8 4 4 59.27 2.71 1.5591 4 4 4 4 59.41 2.92 1.5556 -4 4 8 4 61.09 1.69 1.5168 1 9 1 4 61.19 1.25 1.5147 3 7 3 4 62.20 1.90 1.4925 0 8 6 4 62.55 1.09 1.4849 1 7 7 4 65.75 1.59 1.4203 -1 9 5 4 66.63 1.51 1.4036 0 2 12 4 66.77 1.78 1.4009 2 6 8 4 66.87 1.77 1.3991 -2 6 10 4 67.08 1.33 1.3953 4 6 4 4 67.21 1.32 1.3929 -4 6 8 4 67.54 2.01 1.3869 6 2 0 4 67.64 2.03 1.3851 -6 2 6 4 68.71 1.76 1.3660 -4 8 2 4 68.96 1.34 1.3618 -3 9 3 4 71.11 1.43 1.3258 0 4 12 4 71.99 1.03 1.3117 6 4 0 4 72.09 1.01 1.3101 -6 4 6 4 73.29 1.06 1.2916 3 9 3 4 79.19 1.02 1.2096 6 6 0 4 81.33 1.03 1.1831 4 2 10 4 81.58 1.01 1.1800 -4 2 14 4 84.60 1.16 1.1455 6 2 6 4 84.88 1.11 1.1424 -6 2 12 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.