Cs4(NbO)2(Si8O21) Crosnier M, Guyomard D, Verbaere A, Piffard Y European Journal of Solid State and Inorganic Chemistry 27 (1990) 435-442 Synthesis and structure of a novel polysilicate Cs4(NbO)2(Si8O21) _cod_database_code 1000287 _database_code_amcsd 0012530 CELL PARAMETERS: 7.0160 7.8400 11.0660 77.160 89.950 72.020 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 562.980 Density (g/cm3): 3.864 MAX. ABS. INTENSITY / VOLUME**2: 27.47358109 RIR: 2.315 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.22 14.28 10.7605 0 0 1 2 13.03 10.26 6.7926 0 1 1 2 14.95 2.16 5.9254 1 1 0 2 16.26 20.45 5.4525 0 -1 1 2 20.45 8.88 4.3420 -1 0 2 2 20.78 1.95 4.2755 -1 1 0 2 20.86 4.27 4.2585 1 1 2 2 21.99 10.75 4.0423 1 0 2 2 23.69 7.71 3.7553 -1 -1 2 2 23.73 1.43 3.7493 1 2 1 2 23.77 3.40 3.7434 1 -1 1 2 23.95 9.34 3.7158 1 2 0 2 24.00 1.01 3.7076 0 2 1 2 24.08 21.35 3.6959 -1 1 2 2 24.55 100.00 3.6256 0 2 0 2 24.82 4.08 3.5868 0 0 3 2 25.68 18.26 3.4691 2 1 0 2 26.24 9.20 3.3963 0 2 2 2 26.31 14.38 3.3879 1 2 2 2 26.72 5.96 3.3365 2 1 1 2 26.79 16.79 3.3278 2 0 0 2 26.89 2.89 3.3152 -1 -2 1 2 27.29 16.99 3.2680 -2 -1 1 2 27.37 37.53 3.2584 -1 0 3 2 27.40 71.74 3.2550 1 1 3 2 27.74 3.86 3.2162 0 -2 1 2 28.65 18.86 3.1156 2 0 1 2 28.97 1.95 3.0818 1 -1 2 2 29.40 23.49 3.0377 -1 1 3 2 30.15 15.43 2.9639 2 1 2 2 30.16 30.97 2.9627 2 2 0 2 30.27 8.96 2.9530 2 2 1 2 30.27 8.75 2.9528 0 -1 3 2 30.54 16.93 2.9274 -2 0 2 2 30.70 6.56 2.9122 0 2 3 2 30.72 27.02 2.9107 -1 -1 3 2 30.91 3.68 2.8927 -1 2 1 2 32.33 5.53 2.7688 -2 -2 1 2 32.46 4.85 2.7585 -1 2 2 2 32.69 4.52 2.7392 0 1 4 2 32.80 5.40 2.7306 -2 1 1 2 32.98 18.67 2.7162 -2 1 0 2 34.40 1.99 2.6070 1 3 1 2 34.45 2.84 2.6037 1 -2 1 2 35.05 1.33 2.5599 -1 0 4 2 35.25 10.53 2.5462 2 -1 1 2 35.27 1.26 2.5449 1 3 0 2 35.35 1.09 2.5391 2 1 3 2 35.43 1.40 2.5335 -2 0 3 2 35.51 26.33 2.5278 1 -1 3 2 35.59 2.52 2.5226 1 3 2 2 35.99 10.99 2.4954 -1 2 3 2 36.67 2.40 2.4505 -2 -1 3 2 36.84 3.15 2.4397 2 2 3 2 36.94 3.04 2.4331 1 0 4 2 37.05 3.95 2.4266 0 3 2 2 38.17 6.22 2.3575 -1 -2 3 2 38.21 2.74 2.3553 2 0 3 2 38.31 1.23 2.3497 0 -1 4 2 38.49 5.06 2.3389 2 3 0 2 38.52 1.54 2.3370 -2 1 3 2 38.67 10.32 2.3286 1 3 3 2 38.99 1.28 2.3099 1 -2 2 2 39.23 2.65 2.2965 2 3 2 2 39.24 2.91 2.2960 0 -2 3 2 40.10 5.48 2.2488 0 -3 1 2 40.40 1.24 2.2328 3 2 0 2 40.67 2.18 2.2185 3 0 0 2 40.86 2.81 2.2085 0 1 5 2 40.89 13.41 2.2070 -2 -3 1 2 41.98 5.92 2.1521 0 0 5 2 42.11 3.75 2.1460 -3 -1 2 2 42.28 7.33 2.1377 -2 2 0 2 42.53 2.81 2.1258 -2 2 2 2 42.74 3.53 2.1156 3 2 2 2 43.16 4.73 2.0959 -1 3 2 2 43.61 8.94 2.0754 0 2 5 2 44.14 2.23 2.0516 0 3 4 2 44.72 7.52 2.0265 2 -2 1 2 45.34 1.57 2.0002 3 0 2 2 45.37 2.58 1.9988 -1 -2 4 2 45.43 3.10 1.9966 -1 3 3 2 46.37 1.62 1.9583 3 2 3 2 46.39 3.14 1.9574 3 1 3 2 46.53 4.06 1.9516 -3 0 3 2 46.78 4.81 1.9419 1 4 2 2 46.81 2.84 1.9407 2 3 4 2 46.97 1.39 1.9345 3 3 2 2 47.40 6.73 1.9178 -3 1 2 2 47.64 1.71 1.9089 1 4 0 2 48.14 4.51 1.8903 -1 -3 3 2 48.68 4.31 1.8705 -2 0 5 2 49.01 1.74 1.8586 2 1 5 2 49.03 5.92 1.8579 2 4 0 2 49.15 2.19 1.8538 0 4 2 2 49.31 1.55 1.8479 -2 2 4 2 49.42 8.93 1.8441 0 1 6 2 49.58 9.57 1.8385 -3 -2 3 2 49.83 4.70 1.8301 3 3 3 2 49.89 3.24 1.8280 3 0 3 2 50.14 1.38 1.8193 -2 -3 3 2 50.20 2.49 1.8175 0 -3 3 2 50.33 5.31 1.8128 0 4 0 2 50.92 5.14 1.7934 0 0 6 2 51.29 5.08 1.7811 0 2 6 2 51.55 1.88 1.7728 -2 -4 1 2 51.63 2.63 1.7704 1 -2 4 2 51.75 1.17 1.7664 -3 -1 4 2 51.85 2.12 1.7634 3 1 4 2 52.28 1.77 1.7498 2 0 5 2 52.38 11.54 1.7467 4 1 0 2 52.52 4.82 1.7424 2 3 5 2 53.19 1.80 1.7221 4 2 1 2 53.44 4.18 1.7146 -2 3 0 2 54.14 1.64 1.6940 -3 2 1 2 54.14 1.10 1.6940 2 4 4 2 54.19 3.95 1.6926 3 4 2 2 54.42 1.05 1.6860 0 -2 5 2 54.65 7.32 1.6795 -2 2 5 2 55.26 1.44 1.6622 -1 4 2 2 55.27 2.68 1.6621 -1 4 1 2 55.59 3.04 1.6534 0 -1 6 2 55.59 1.53 1.6533 3 0 4 2 55.99 4.00 1.6423 1 -3 3 2 56.00 2.83 1.6422 2 -3 1 2 56.29 1.53 1.6343 0 3 6 2 56.34 8.12 1.6329 4 3 0 2 56.39 2.58 1.6318 3 -1 3 2 56.55 3.66 1.6275 2 2 6 2 56.58 2.91 1.6265 4 0 1 2 56.68 1.96 1.6240 -1 4 3 2 56.84 1.37 1.6198 0 -3 4 2 56.86 2.23 1.6192 -3 2 3 2 57.24 2.44 1.6094 -2 1 6 2 57.34 2.47 1.6069 3 2 5 2 57.44 1.92 1.6044 -3 0 5 2 57.58 1.22 1.6008 -2 3 4 2 58.41 3.16 1.5800 0 4 5 2 58.80 7.17 1.5705 -2 -1 6 2 59.85 1.65 1.5454 2 -3 2 2 60.40 6.05 1.5327 2 0 6 2 60.43 1.32 1.5319 1 2 7 2 60.94 3.20 1.5203 -4 1 0 2 61.65 1.94 1.5044 -3 -3 4 2 62.14 1.91 1.4938 3 -1 4 2 62.95 1.53 1.4764 0 -2 6 2 63.56 1.16 1.4637 -4 0 4 2 63.57 1.21 1.4636 3 5 1 2 63.74 2.49 1.4600 -2 -5 1 2 63.77 2.20 1.4594 2 5 4 2 64.47 3.64 1.4452 -3 3 2 2 64.58 1.06 1.4432 -4 -4 1 2 64.66 3.33 1.4415 -3 -4 3 2 64.68 1.73 1.4411 2 4 6 2 65.19 1.83 1.4310 3 5 3 2 65.31 1.34 1.4287 3 -2 3 2 65.62 1.62 1.4228 0 5 4 2 66.08 2.39 1.4140 -1 -4 4 2 67.11 4.28 1.3948 0 -5 1 2 67.47 1.31 1.3882 -2 3 6 2 67.65 2.55 1.3849 2 5 5 2 67.96 1.40 1.3793 -2 4 4 2 68.59 1.11 1.3681 -1 5 2 2 68.73 1.02 1.3657 2 -4 1 2 69.16 1.13 1.3583 4 3 5 2 69.25 1.62 1.3567 -1 1 8 2 69.34 1.59 1.3553 1 4 7 2 71.25 2.53 1.3235 4 -2 1 2 71.50 2.01 1.3194 4 5 0 2 71.57 3.27 1.3183 -2 4 5 2 71.68 3.93 1.3166 -2 -3 6 2 71.90 1.02 1.3132 1 3 8 2 72.03 4.21 1.3111 5 2 3 2 72.11 1.31 1.3098 -5 -1 3 2 72.79 1.79 1.2993 -5 -2 3 2 73.01 3.08 1.2960 1 6 2 2 73.32 1.20 1.2911 -4 2 4 2 73.59 1.14 1.2872 2 2 8 2 73.89 1.13 1.2827 -2 1 8 2 74.15 1.80 1.2788 -5 0 3 2 74.78 2.11 1.2695 4 2 6 2 74.85 1.06 1.2686 1 -4 4 2 75.15 1.55 1.2643 -4 -1 6 2 75.17 1.77 1.2640 -1 3 8 2 75.17 2.83 1.2639 2 -2 6 2 75.39 1.18 1.2607 2 -1 7 2 76.36 1.92 1.2471 5 4 3 2 77.47 1.06 1.2321 -4 1 6 2 78.44 1.52 1.2192 5 0 3 2 79.06 1.22 1.2113 4 5 5 2 80.59 1.30 1.1920 -1 0 9 2 81.71 1.16 1.1785 0 -3 7 2 81.78 1.38 1.1776 4 0 6 2 81.79 1.88 1.1776 0 6 5 2 83.40 1.29 1.1588 -4 -3 6 2 83.57 1.11 1.1569 -3 3 7 2 83.62 1.56 1.1564 6 3 0 2 83.98 1.27 1.1524 6 1 0 2 84.22 1.24 1.1496 -1 6 1 2 87.15 1.20 1.1185 2 -5 2 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.