Gd2Si2O7 Smolin Y I, Shepelev Y F Acta Crystallographica B26 (1970) 484-492 The crystal structures of the rare earth pyrosilicates _database_code_amcsd 0009372 CELL PARAMETERS: 13.8700 5.0730 8.3300 90.000 90.000 90.000 SPACE GROUP: Pna2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 586.120 Density (g/cm3): 5.469 MAX. ABS. INTENSITY / VOLUME**2: 83.94176157 RIR: 4.998 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.63 3.72 5.3297 2 0 1 2 18.62 12.06 4.7643 1 1 0 4 21.33 44.02 4.1650 0 0 2 1 21.71 85.41 4.0945 2 1 0 4 24.22 6.52 3.6746 2 1 1 4 25.69 45.01 3.4675 4 0 0 2 26.08 12.08 3.4171 3 1 0 4 27.87 6.39 3.2012 4 0 1 2 28.23 2.22 3.1615 3 1 1 4 28.46 42.31 3.1357 1 1 2 4 30.62 100.00 2.9198 2 1 2 4 33.63 38.47 2.6649 4 0 2 2 33.93 10.32 2.6418 3 1 2 4 35.39 3.41 2.5365 0 2 0 2 35.99 19.38 2.4951 1 2 0 4 36.90 2.78 2.4357 0 1 3 2 36.93 6.91 2.4339 5 1 0 4 37.76 1.06 2.3822 2 2 0 4 38.15 1.11 2.3592 4 1 2 4 40.57 8.29 2.2238 3 2 0 4 41.69 7.44 2.1664 0 2 2 2 42.05 1.36 2.1486 3 2 1 4 42.22 20.18 2.1404 1 2 2 4 43.00 29.34 2.1036 6 1 0 4 43.04 7.71 2.1014 5 1 2 4 43.45 18.32 2.0825 0 0 4 1 44.24 5.53 2.0472 4 2 0 4 45.51 1.55 1.9931 4 1 3 4 46.28 17.12 1.9617 3 2 2 4 47.66 2.06 1.9082 1 1 4 4 48.48 23.10 1.8777 6 1 2 4 48.64 6.90 1.8719 5 2 0 4 49.08 23.30 1.8562 2 1 4 4 49.09 1.35 1.8559 1 2 3 4 49.38 4.98 1.8456 7 1 0 4 49.62 8.51 1.8373 4 2 2 4 49.82 1.14 1.8303 5 1 3 4 51.17 18.75 1.7853 4 0 4 2 51.38 5.16 1.7783 3 1 4 4 52.80 5.18 1.7337 8 0 0 2 53.68 12.91 1.7074 5 2 2 4 54.37 2.39 1.6874 7 1 2 4 54.68 5.41 1.6786 1 3 0 4 57.24 1.85 1.6095 0 2 4 2 57.59 13.40 1.6006 8 0 2 2 57.66 9.07 1.5988 1 2 4 4 58.08 4.64 1.5881 3 3 0 4 58.31 2.38 1.5823 5 1 4 4 59.17 1.97 1.5615 7 2 0 4 59.36 13.63 1.5569 1 3 2 4 60.95 6.46 1.5201 3 2 4 4 62.60 9.00 1.4839 3 3 2 4 62.79 13.04 1.4799 6 1 4 4 63.64 11.02 1.4621 7 2 2 4 63.75 2.44 1.4599 4 2 4 4 64.54 3.64 1.4439 5 3 0 4 65.18 1.05 1.4313 8 2 0 4 67.25 4.33 1.3922 5 2 4 4 67.85 2.33 1.3812 7 1 4 4 68.82 4.57 1.3642 5 3 2 4 69.43 1.80 1.3536 8 2 2 4 70.37 3.98 1.3379 10 1 0 4 70.67 2.40 1.3329 1 1 6 4 70.70 4.03 1.3324 8 0 4 2 71.65 2.52 1.3171 9 2 0 4 71.79 8.89 1.3148 2 1 6 4 72.30 3.22 1.3069 1 3 4 4 73.47 5.11 1.2889 4 0 6 2 73.65 2.09 1.2863 7 3 0 4 73.65 1.42 1.2862 3 1 6 4 74.49 6.56 1.2738 10 1 2 4 74.87 1.12 1.2682 0 4 0 2 75.24 1.48 1.2630 1 4 0 4 75.25 4.13 1.2628 3 3 4 4 75.74 3.29 1.2558 9 2 2 4 76.21 1.27 1.2493 7 2 4 4 77.70 4.02 1.2290 7 3 2 4 78.15 1.42 1.2231 3 4 0 4 78.91 2.44 1.2132 1 2 6 4 79.26 2.12 1.2086 1 4 2 4 79.67 1.57 1.2034 9 1 4 4 80.67 1.62 1.1911 4 4 0 4 81.04 4.36 1.1866 5 3 4 4 81.62 1.94 1.1796 8 2 4 4 81.78 3.17 1.1777 3 2 6 4 82.13 2.07 1.1735 3 4 2 4 83.41 2.96 1.1587 6 1 6 4 83.67 1.83 1.1558 12 0 0 2 83.88 1.59 1.1534 5 4 0 4 84.28 1.21 1.1490 4 2 6 4 84.63 2.64 1.1452 4 4 2 4 85.19 1.97 1.1390 9 3 0 4 86.12 1.40 1.1291 11 2 0 4 86.45 4.77 1.1256 10 1 4 4 87.47 2.58 1.1151 5 2 6 4 87.61 3.47 1.1137 12 0 2 2 87.67 2.91 1.1131 9 2 4 4 87.82 2.31 1.1116 5 4 2 4 89.12 2.34 1.0987 9 3 2 4 89.57 3.34 1.0943 7 3 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.