Ilimaussite-(Ce) Ferraris G, Gula A, Zubkova N V, Pushcharovsky D Y, Gobetchiya E R, Pekov I V, Eldjarn K The Canadian Mineralogist 42 (2004) 787-795 The crystal structure of ilimaussite-(Ce), (Ba,Na)10K3Na4.5Ce5(Nb,Ti)[Si12O36][Si9O18(O,OH)24]O6, and the "ilimaussite" problem _database_code_amcsd 0005939 CELL PARAMETERS: 10.7700 10.7700 61.0500 90.000 90.000 120.000 SPACE GROUP: R32 X-RAY WAVELENGTH: 1.541838 Cell Volume: 6132.644 Density (g/cm3): 3.636 MAX. ABS. INTENSITY / VOLUME**2: 27.64629761 RIR: 2.476 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 4.34 3.66 20.3500 0 0 3 2 8.69 63.69 10.1750 0 0 6 2 9.59 5.99 9.2201 1 0 1 6 9.92 4.20 8.9200 0 1 2 6 11.12 2.56 7.9586 1 0 4 6 17.03 61.03 5.2058 1 1 3 6 17.43 4.01 5.0875 0 0 12 2 18.64 13.59 4.7595 1 1 6 6 19.09 6.82 4.6500 0 2 1 6 19.25 10.79 4.6101 2 0 2 6 19.91 1.46 4.4600 0 2 4 6 21.18 2.17 4.1945 1 0 13 6 22.51 3.26 3.9503 0 1 14 6 24.01 4.47 3.7060 0 2 10 6 24.06 1.65 3.6981 1 1 12 6 25.22 2.60 3.5315 1 0 16 6 25.31 1.92 3.5194 2 1 1 6 25.43 1.06 3.5020 1 2 2 6 26.60 1.55 3.3513 0 1 17 6 27.47 100.00 3.2469 1 1 15 6 28.71 55.61 3.1090 3 0 0 6 30.05 8.57 2.9733 0 3 6 6 30.05 8.52 2.9733 3 0 6 6 31.16 30.50 2.8699 1 1 18 6 32.66 1.15 2.7415 1 2 14 6 33.28 15.73 2.6925 2 2 0 3 33.57 34.64 2.6692 2 2 3 6 33.79 28.33 2.6529 0 3 12 6 33.79 27.80 2.6529 3 0 12 6 34.64 1.86 2.5893 2 1 16 6 34.71 1.14 2.5846 1 3 1 6 35.08 1.59 2.5582 1 1 21 6 35.69 1.52 2.5157 1 2 17 6 35.88 14.33 2.5026 2 2 9 6 37.80 1.01 2.3798 2 2 12 6 39.17 3.59 2.3000 1 1 24 6 39.31 2.66 2.2918 0 3 18 6 39.31 2.66 2.2918 3 0 18 6 40.16 40.22 2.2456 2 2 15 6 40.55 1.12 2.2248 3 1 14 6 42.89 9.87 2.1088 2 2 18 6 43.40 3.35 2.0848 1 1 27 6 44.51 1.74 2.0353 4 1 0 6 44.52 10.11 2.0350 0 0 30 2 44.75 4.14 2.0252 1 4 3 6 44.75 3.96 2.0252 4 1 3 6 46.43 1.03 1.9557 0 4 17 6 47.78 7.21 1.9036 1 1 30 6 49.28 1.31 1.8491 2 2 24 6 50.11 11.52 1.8204 4 1 15 6 50.11 11.49 1.8204 1 4 15 6 50.87 8.54 1.7950 3 3 0 3 51.71 2.20 1.7677 3 3 6 6 52.29 2.87 1.7496 1 1 33 6 52.43 3.88 1.7452 4 1 18 6 52.43 3.94 1.7452 1 4 18 6 52.88 8.48 1.7315 2 2 27 6 53.84 1.95 1.7027 3 0 30 6 53.84 1.95 1.7027 0 3 30 6 54.19 10.12 1.6927 3 3 12 6 56.70 10.15 1.6235 2 2 30 6 58.04 1.42 1.5892 4 1 24 6 58.04 1.35 1.5892 1 4 24 6 58.15 1.11 1.5865 3 3 18 6 59.46 16.89 1.5545 6 0 0 6 60.22 1.03 1.5367 0 6 6 6 60.22 1.05 1.5367 6 0 6 6 60.74 2.67 1.5248 2 2 33 6 64.78 3.01 1.4391 1 4 30 6 64.78 2.99 1.4391 4 1 30 6 64.99 1.77 1.4349 2 2 36 6 66.64 1.46 1.4033 1 1 42 6 66.71 4.61 1.4021 2 5 15 6 66.71 4.62 1.4021 5 2 15 6 68.54 1.02 1.3690 1 4 33 6 68.54 1.00 1.3690 4 1 33 6 68.67 1.21 1.3669 2 5 18 6 68.67 1.21 1.3669 5 2 18 6 69.45 1.65 1.3533 2 2 39 6 69.87 1.16 1.3463 4 4 0 3 69.88 1.25 1.3462 3 3 30 6 70.04 3.26 1.3433 4 4 3 6 71.75 2.42 1.3156 1 1 45 6 74.19 1.46 1.2781 4 4 15 6 77.23 2.16 1.2353 6 0 30 6 77.23 2.15 1.2353 0 6 30 6 79.03 2.08 1.2116 2 2 45 6 81.41 2.01 1.1821 1 7 15 6 81.41 2.00 1.1821 7 1 15 6 83.59 1.42 1.1567 4 4 27 6 86.72 1.71 1.1228 4 4 30 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.