Nioboaeschynite-(Ce) Aleksandrov V B Doklady Akademii Nauk SSSR 142 (1962) 181-184 The crystal structure of aeschynite Locality: Vishnevye Mts, Chelyabinsk Oblast, Southern Urals, Russia _database_code_amcsd 0012439 CELL PARAMETERS: 5.3700 11.0800 7.5600 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 449.817 Density (g/cm3): 5.110 MAX. ABS. INTENSITY / VOLUME**2: 57.73652261 RIR: 3.679 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.00 15.40 5.5400 0 2 0 2 19.87 13.25 4.4686 0 2 1 4 20.28 7.48 4.3780 1 0 1 4 21.83 11.74 4.0716 1 1 1 8 23.07 2.35 3.8559 1 2 0 4 23.54 5.78 3.7800 0 0 2 2 25.94 3.23 3.4349 1 2 1 8 28.59 26.98 3.1224 0 2 2 4 29.35 70.28 3.0431 1 3 0 4 30.01 100.00 2.9773 1 1 2 8 31.70 15.39 2.8230 1 3 1 8 32.32 2.50 2.7700 0 4 0 2 33.19 5.35 2.6993 1 2 2 8 33.37 20.41 2.6850 2 0 0 2 34.37 1.12 2.6095 2 1 0 4 34.48 4.70 2.6009 0 4 1 4 36.42 1.32 2.4667 2 1 1 8 36.50 4.29 2.4618 1 4 0 4 37.96 1.39 2.3704 1 3 2 8 39.14 4.07 2.3015 2 2 1 8 39.28 3.42 2.2938 0 2 3 4 39.50 6.44 2.2813 1 0 3 4 40.37 9.86 2.2343 0 4 2 4 41.58 5.91 2.1718 2 3 0 4 43.35 5.81 2.0873 2 3 1 8 43.89 1.14 2.0629 1 4 2 8 44.21 3.55 2.0484 1 5 0 4 44.50 19.17 2.0358 2 2 2 8 45.90 10.63 1.9771 1 5 1 8 46.81 5.98 1.9409 1 3 3 8 47.14 3.25 1.9279 2 4 0 4 48.15 17.63 1.8900 0 0 4 2 48.74 6.34 1.8681 2 4 1 8 48.86 4.13 1.8640 0 4 3 4 49.35 2.36 1.8467 0 6 0 2 50.34 1.26 1.8127 2 1 3 8 50.90 4.74 1.7939 0 6 1 4 51.06 2.00 1.7888 0 2 4 4 52.39 1.06 1.7463 1 6 0 4 52.47 2.66 1.7440 2 2 3 8 52.54 2.38 1.7418 3 0 1 4 53.34 19.81 1.7174 2 4 2 8 53.82 1.27 1.7033 3 2 0 4 55.28 2.89 1.6616 3 2 1 8 55.37 3.17 1.6592 0 6 2 4 57.19 5.33 1.6108 3 3 0 4 57.39 19.63 1.6055 1 3 4 8 57.58 10.04 1.6008 3 1 2 8 58.02 6.31 1.5895 1 5 3 8 58.59 1.07 1.5754 3 3 1 8 59.18 1.53 1.5612 0 4 4 4 59.34 7.83 1.5573 2 5 2 8 59.53 9.70 1.5529 3 2 2 8 59.84 7.19 1.5455 2 0 4 4 60.46 1.56 1.5312 2 4 3 8 60.48 1.66 1.5307 2 1 4 8 61.03 7.07 1.5183 1 7 0 4 61.70 2.06 1.5034 3 4 0 4 62.24 3.09 1.4916 2 6 1 8 62.38 2.84 1.4886 1 7 1 8 62.70 1.71 1.4819 3 3 2 8 64.59 1.32 1.4430 1 1 5 8 65.47 1.30 1.4257 2 3 4 8 66.21 1.13 1.4115 2 6 2 8 66.35 3.67 1.4089 1 7 2 8 69.41 1.38 1.3541 1 3 5 8 69.67 1.20 1.3496 2 4 4 8 70.68 1.36 1.3328 4 1 0 4 71.42 1.07 1.3208 0 6 4 4 71.94 1.65 1.3125 4 1 1 8 72.71 1.38 1.3005 1 7 3 8 72.71 1.53 1.3005 0 8 2 4 73.71 1.03 1.2853 3 6 0 4 75.32 1.05 1.2617 4 3 0 4 75.66 1.06 1.2569 4 1 2 8 76.82 1.20 1.2409 2 3 5 8 77.93 2.82 1.2259 3 3 4 8 78.44 4.56 1.2192 1 1 6 8 78.47 1.15 1.2188 3 5 3 8 78.86 1.97 1.2138 0 8 3 4 80.78 1.57 1.1898 2 4 5 8 81.28 4.00 1.1837 1 7 4 8 81.74 1.68 1.1781 4 1 3 8 81.87 1.22 1.1766 3 4 4 8 82.40 1.68 1.1704 2 8 2 8 82.44 1.17 1.1699 0 6 5 4 84.12 1.26 1.1507 4 4 2 8 84.47 1.57 1.1469 0 4 6 4 84.76 1.80 1.1437 1 9 2 8 87.27 1.25 1.1172 2 2 6 8 88.18 1.12 1.1080 0 10 0 2 89.13 4.36 1.0987 4 5 2 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.