Soddyite Demartin F, Gramaccioli C M, Pilati T Acta Crystallographica C48 (1992) 1-4 The importance of accurate crystal structure determination of uranium minerals. II. Soddyite (UO2)2(SiO4)*2H2O Locality: Democratic Republic of the Congo _database_code_amcsd 0010268 CELL PARAMETERS: 8.3340 11.2120 18.6680 90.000 90.000 90.000 SPACE GROUP: Fddd X-RAY WAVELENGTH: 1.541838 Cell Volume: 1744.353 Density (g/cm3): 5.088 MAX. ABS. INTENSITY / VOLUME**2: 131.2189233 RIR: 8.398 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.07 96.96 6.2967 1 1 1 8 18.46 36.06 4.8058 0 2 2 4 19.02 10.17 4.6670 0 0 4 2 19.48 100.00 4.5559 1 1 3 8 23.38 15.27 3.8050 2 0 2 4 26.57 22.07 3.3546 1 3 1 8 26.66 73.84 3.3443 2 2 0 4 27.36 23.16 3.2601 1 1 5 8 29.88 25.22 2.9905 1 3 3 8 31.93 17.55 2.8030 0 4 0 2 32.92 40.60 2.7204 0 2 6 4 32.95 7.55 2.7184 2 2 4 8 33.58 4.98 2.6688 3 1 1 8 35.66 3.50 2.5179 1 3 5 8 36.03 24.35 2.4931 2 0 6 4 36.26 6.43 2.4772 1 1 7 8 36.31 13.26 2.4742 3 1 3 8 37.43 2.59 2.4029 0 4 4 4 38.58 7.28 2.3335 0 0 8 2 39.95 12.33 2.2568 2 4 2 8 40.76 6.57 2.2138 3 3 1 8 41.30 3.61 2.1860 3 1 5 8 42.00 2.59 2.1510 1 5 1 8 43.06 3.13 2.1007 1 3 7 8 43.10 15.90 2.0989 3 3 3 8 43.43 7.33 2.0835 4 0 0 2 44.29 11.95 2.0451 1 5 3 8 45.80 15.03 1.9811 1 1 9 8 47.50 5.25 1.9142 3 3 5 8 47.51 8.04 1.9137 2 2 8 8 47.57 6.85 1.9116 4 2 2 8 47.81 1.51 1.9025 4 0 4 4 47.98 3.39 1.8961 3 1 7 8 48.61 4.20 1.8731 1 5 5 8 48.89 26.99 1.8628 2 4 6 8 49.76 2.98 1.8323 0 6 2 4 50.92 2.24 1.7934 0 4 8 4 51.57 8.36 1.7721 1 3 9 8 52.69 2.85 1.7373 3 5 1 8 53.58 1.48 1.7105 3 3 7 8 53.76 10.38 1.7051 2 6 0 4 54.59 2.43 1.6810 1 5 7 8 54.63 6.54 1.6801 3 5 3 8 54.91 10.10 1.6722 4 4 0 4 55.56 16.59 1.6541 4 2 6 8 55.89 2.91 1.6450 1 1 11 8 55.93 4.73 1.6441 3 1 9 8 55.99 1.79 1.6423 5 1 1 8 57.53 6.70 1.6019 0 6 6 4 57.55 2.03 1.6015 2 6 4 8 57.86 6.45 1.5937 5 1 3 8 58.38 2.01 1.5808 3 5 5 8 58.65 1.64 1.5742 4 4 4 8 59.41 3.23 1.5557 0 0 12 2 59.48 1.30 1.5542 4 0 8 4 60.73 4.63 1.5250 1 7 3 8 60.98 2.60 1.5193 1 3 11 8 61.01 4.98 1.5186 3 3 9 8 61.08 1.14 1.5172 5 3 1 8 61.48 1.93 1.5082 5 1 5 8 61.95 3.46 1.4979 1 5 9 8 62.85 3.89 1.4787 5 3 3 8 63.74 1.38 1.4601 3 5 7 8 64.26 1.88 1.4495 1 7 5 8 64.92 1.59 1.4363 3 1 11 8 66.26 7.63 1.4105 2 2 12 8 66.31 1.59 1.4096 5 3 5 8 66.70 1.24 1.4023 5 1 7 8 66.74 2.06 1.4015 0 8 0 2 67.71 1.19 1.3838 3 7 1 8 68.11 2.54 1.3767 2 6 8 8 68.15 1.54 1.3759 4 6 2 8 68.27 1.37 1.3739 6 0 2 4 69.05 3.31 1.3602 0 4 12 4 69.11 2.71 1.3592 4 4 8 8 69.36 1.20 1.3548 1 7 7 8 69.39 3.01 1.3543 3 7 3 8 69.62 2.09 1.3504 3 3 11 8 69.75 4.11 1.3482 6 2 0 4 70.50 1.66 1.3357 1 5 11 8 70.53 3.67 1.3353 3 5 9 8 70.59 1.17 1.3343 5 5 1 8 71.77 1.72 1.3151 2 8 2 8 72.24 2.01 1.3078 5 5 3 8 72.70 1.05 1.3007 3 7 5 8 72.92 1.13 1.2972 0 2 14 4 73.36 2.55 1.2906 5 1 9 8 74.75 6.06 1.2700 4 6 6 8 74.86 3.88 1.2683 6 0 6 4 75.92 1.89 1.2533 1 7 9 8 76.41 2.67 1.2465 4 0 12 4 77.35 1.00 1.2337 6 4 2 8 77.83 2.12 1.2272 5 3 9 8 78.11 2.14 1.2235 1 1 15 8 78.25 5.73 1.2217 2 8 6 8 78.64 1.15 1.2166 3 5 11 8 79.26 1.80 1.2086 1 9 3 8 81.37 1.41 1.1825 5 1 11 8 82.51 1.93 1.1691 1 3 15 8 82.66 1.30 1.1674 6 2 8 8 83.03 1.92 1.1631 7 1 3 8 83.05 2.68 1.1629 4 8 0 4 83.58 1.61 1.1568 2 4 14 8 83.69 4.03 1.1556 6 4 6 8 83.89 2.10 1.1533 3 7 9 8 84.26 4.54 1.1492 2 6 12 8 85.20 3.96 1.1390 4 4 12 8 85.52 1.34 1.1355 5 7 3 8 86.04 1.65 1.1300 3 1 15 8 86.59 1.74 1.1242 5 5 9 8 87.17 1.69 1.1182 3 9 3 8 87.38 1.34 1.1160 7 3 3 8 87.51 2.15 1.1148 6 6 0 4 88.86 1.30 1.1012 4 2 14 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.