Vicanite-(Ce) Ballirano P, Callegari A, Caucia F, Maras A, Mazzi F, Ungaretti L American Mineralogist 87 (2002) 1139-1143 The crystal structure of vicanite - (Ce), a borosilicate showing an unusual (Si3B3O18) polyanion _database_code_amcsd 0002883 CELL PARAMETERS: 10.8112 10.8112 27.3296 90.000 90.000 120.000 SPACE GROUP: R3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 2766.379 Density (g/cm3): 4.821 MAX. ABS. INTENSITY / VOLUME**2: 29.95514294 RIR: 2.023 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.71 6.22 9.1099 0 0 3 1 9.99 5.19 8.8574 1 0 1 3 11.46 78.88 7.7237 0 1 2 3 16.06 13.89 5.5191 1 0 4 3 16.40 10.93 5.4056 1 1 0 6 19.24 42.44 4.6142 0 2 1 3 19.49 10.90 4.5549 0 0 6 1 20.05 72.79 4.4287 2 0 2 3 23.03 7.11 3.8618 0 2 4 3 24.71 30.70 3.6035 1 0 7 3 25.04 22.34 3.5556 2 0 5 3 25.38 13.68 3.5095 2 1 1 6 25.57 13.43 3.4832 1 1 6 6 27.80 4.08 3.2092 0 1 8 3 28.40 60.37 3.1423 2 1 4 6 28.60 16.36 3.1209 3 0 0 3 29.41 18.62 3.0366 0 0 9 1 29.80 100.00 2.9983 0 2 7 3 30.08 75.34 2.9706 1 2 5 6 30.27 45.59 2.9525 0 3 3 3 30.27 23.01 2.9525 3 0 3 3 32.44 32.96 2.7596 2 0 8 3 33.15 69.28 2.7028 2 2 0 6 34.18 1.53 2.6235 1 0 10 3 34.20 9.24 2.6220 2 1 7 6 34.70 2.06 2.5851 1 3 1 6 34.85 10.05 2.5746 0 3 6 3 34.85 6.35 2.5746 3 0 6 3 35.18 3.37 2.5511 3 1 2 6 36.56 2.46 2.4578 1 2 8 6 37.45 5.51 2.4014 0 1 11 3 38.13 5.15 2.3602 0 2 10 3 38.38 7.70 2.3455 3 1 5 6 38.61 2.22 2.3322 4 0 1 3 38.74 7.61 2.3244 2 2 6 6 39.04 11.04 2.3071 0 4 2 3 40.75 7.86 2.2144 4 0 4 3 41.13 6.59 2.1946 2 0 11 3 41.49 4.35 2.1764 0 3 9 3 41.49 9.31 2.1764 3 0 9 3 41.76 19.08 2.1630 2 1 10 6 41.78 5.59 2.1622 1 3 7 6 41.99 4.20 2.1517 0 4 5 3 42.20 4.06 2.1414 3 2 1 6 42.61 22.69 2.1219 2 3 2 6 43.79 1.54 2.0673 3 1 8 6 44.15 7.32 2.0512 1 0 13 3 44.20 17.92 2.0491 3 2 4 6 44.56 3.86 2.0334 1 2 11 6 44.90 36.03 2.0189 2 2 9 6 45.16 11.75 2.0075 4 0 7 3 45.37 12.98 1.9991 2 3 5 6 45.50 13.08 1.9936 1 4 3 6 45.50 14.81 1.9936 4 1 3 6 47.06 6.16 1.9309 0 4 8 3 47.40 11.59 1.9178 0 2 13 3 48.35 2.02 1.8825 1 3 10 6 48.36 24.44 1.8820 3 2 7 6 48.74 8.72 1.8682 0 5 1 3 48.86 2.20 1.8642 1 4 6 6 48.86 1.85 1.8642 4 1 6 6 49.55 12.33 1.8397 0 3 12 3 49.55 21.81 1.8397 3 0 12 3 50.06 5.27 1.8220 0 0 15 1 50.17 11.13 1.8184 2 3 8 6 50.50 4.07 1.8074 2 1 13 6 50.54 23.61 1.8060 0 5 4 3 50.66 13.96 1.8019 3 3 0 6 50.67 11.89 1.8017 2 0 14 3 50.86 1.18 1.7952 3 1 11 6 51.40 1.39 1.7778 4 0 10 3 51.59 23.78 1.7715 5 0 5 3 51.78 3.59 1.7657 2 4 1 6 52.12 2.40 1.7547 4 2 2 6 52.55 3.97 1.7416 2 2 12 6 53.04 2.62 1.7265 1 1 15 6 53.50 1.48 1.7129 2 4 4 6 53.62 4.93 1.7093 1 2 14 6 53.81 3.85 1.7037 0 4 11 3 54.10 1.12 1.6951 1 4 9 6 54.32 9.64 1.6888 3 2 10 6 54.34 1.86 1.6884 0 5 7 3 54.51 5.67 1.6834 4 2 5 6 54.62 2.38 1.6804 1 0 16 3 54.69 1.06 1.6784 5 1 1 6 55.02 5.05 1.6690 1 5 2 6 56.65 3.63 1.6249 2 3 11 6 57.16 2.28 1.6116 2 4 7 6 57.32 2.39 1.6073 1 5 5 6 57.43 6.58 1.6046 0 2 16 3 58.23 1.88 1.5844 0 1 17 3 58.67 5.39 1.5735 0 3 15 3 58.67 1.74 1.5735 3 0 15 3 59.06 1.25 1.5641 4 0 13 3 59.21 1.46 1.5605 6 0 0 3 59.67 7.78 1.5496 3 3 9 6 59.88 7.95 1.5447 0 5 10 3 59.89 3.23 1.5444 5 1 7 6 60.15 2.83 1.5383 2 1 16 6 60.16 1.14 1.5381 0 6 3 3 60.16 1.34 1.5381 6 0 3 3 60.22 4.07 1.5368 4 3 1 6 60.92 4.42 1.5208 1 4 12 6 60.92 3.63 1.5208 4 1 12 6 60.93 7.09 1.5205 2 0 17 3 61.37 6.32 1.5108 2 2 15 6 61.46 3.90 1.5087 1 5 8 6 61.74 5.97 1.5024 3 2 13 6 61.78 8.43 1.5016 4 3 4 6 61.89 4.10 1.4992 5 2 0 6 62.07 1.98 1.4954 5 0 11 3 62.54 2.67 1.4853 2 4 10 6 62.71 9.64 1.4816 3 4 5 6 62.82 10.87 1.4793 2 5 3 6 62.82 10.20 1.4793 5 2 3 6 64.50 1.00 1.4446 2 3 14 6 64.67 1.71 1.4413 4 2 11 6 65.46 1.32 1.4259 1 6 1 6 65.55 3.02 1.4241 5 2 6 6 65.55 3.97 1.4241 2 5 6 6 65.67 1.18 1.4217 1 0 19 3 66.64 1.98 1.4034 3 4 8 6 66.92 1.26 1.3983 0 5 13 3 67.84 2.03 1.3815 6 1 5 6 69.07 2.38 1.3598 4 1 15 6 69.56 2.39 1.3514 4 4 0 6 69.57 4.51 1.3513 5 0 14 3 69.98 1.18 1.3443 2 5 9 6 69.98 1.46 1.3443 5 2 9 6 70.17 4.40 1.3411 4 3 10 6 70.43 2.98 1.3369 3 2 16 6 70.49 1.22 1.3359 3 5 1 6 70.70 2.11 1.3325 2 1 19 6 70.78 3.67 1.3312 0 7 2 3 70.78 4.37 1.3312 5 3 2 6 71.15 4.23 1.3252 0 4 17 3 71.24 1.55 1.3237 2 2 18 6 71.90 1.32 1.3132 5 1 13 6 71.99 1.82 1.3117 2 0 20 3 72.04 1.08 1.3110 4 2 14 6 72.79 1.63 1.2992 0 7 5 3 72.79 1.11 1.2992 5 3 5 6 73.23 1.27 1.2926 2 6 2 6 73.58 2.43 1.2873 6 0 12 3 73.59 9.00 1.2871 2 3 17 6 74.37 2.36 1.2756 6 2 4 6 74.42 2.19 1.2747 1 2 20 6 75.07 4.79 1.2653 3 5 7 6 75.07 3.24 1.2653 7 0 7 3 75.22 1.72 1.2632 2 6 5 6 75.31 1.59 1.2620 0 5 16 3 75.57 1.11 1.2583 1 3 19 6 75.99 10.40 1.2523 5 2 12 6 75.99 7.18 1.2523 2 5 12 6 76.48 3.72 1.2455 0 7 8 3 76.48 3.80 1.2455 5 3 8 6 76.74 1.15 1.2419 4 3 13 6 76.87 5.25 1.2401 7 1 0 6 77.51 1.47 1.2315 1 0 22 3 78.48 1.02 1.2187 1 4 18 6 79.26 3.46 1.2087 3 4 14 6 79.84 2.06 1.2014 7 0 10 3 79.85 1.45 1.2012 0 3 21 3 79.85 1.27 1.2012 3 0 21 3 79.89 4.57 1.2007 0 2 22 3 80.08 1.42 1.1983 5 1 16 6 80.34 8.49 1.1952 3 2 19 6 80.41 1.06 1.1942 4 5 2 6 80.77 1.07 1.1899 4 2 17 6 81.78 2.17 1.1777 0 7 11 3 83.12 1.45 1.1620 1 5 17 6 83.50 4.56 1.1577 2 5 15 6 83.87 1.08 1.1535 0 8 4 3 84.04 1.47 1.1517 2 0 23 3 84.36 2.76 1.1481 1 7 9 6 84.36 2.96 1.1481 7 1 9 6 84.55 1.30 1.1460 5 4 7 6 84.70 1.11 1.1444 8 0 5 3 85.04 3.75 1.1407 0 5 19 3 85.22 1.57 1.1387 0 0 24 1 86.18 1.37 1.1285 3 5 13 6 86.18 1.53 1.1285 7 0 13 3 86.21 1.64 1.1281 2 7 4 6 87.03 2.37 1.1196 7 2 5 6 88.60 2.94 1.1038 5 0 20 3 88.64 2.50 1.1034 5 3 14 6 89.23 1.04 1.0976 4 1 21 6 89.27 1.81 1.0973 4 0 22 3 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.