CaSi2O5 Kudoh Y, Kanzaki M Physics and Chemistry of Minerals 25 (1998) 429-433 Crystal chemical characteristics of alpha-CaSi2O5, a new high pressure calcium silicate with five-coordinated silicon synthesized at 1500 C and 10 GPa _database_code_amcsd 0008150 CELL PARAMETERS: 7.2430 7.5460 6.5010 81.430 84.820 69.600 SPACE GROUP: P-1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 329.031 Density (g/cm3): 3.557 MAX. ABS. INTENSITY / VOLUME**2: 9.729127396 RIR: 0.891 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.51 8.83 5.0660 0 1 1 2 18.63 2.62 4.7632 1 0 1 2 18.72 1.78 4.7404 1 1 1 2 19.42 3.02 4.5703 -1 0 1 2 21.09 1.91 4.2127 -1 1 0 2 24.69 3.21 3.6061 -1 1 1 2 27.78 2.09 3.2115 0 0 2 2 29.09 1.16 3.0701 0 1 2 2 29.27 1.97 3.0516 2 0 1 2 29.59 100.00 3.0188 1 1 2 2 29.76 10.55 3.0016 2 2 0 2 29.86 37.51 2.9921 -1 -2 1 2 29.94 61.69 2.9843 -2 -1 1 2 30.30 7.89 2.9501 1 0 2 2 30.31 2.55 2.9491 -2 0 1 2 30.53 2.39 2.9277 0 -2 1 2 32.08 5.88 2.7902 0 -1 2 2 32.48 1.24 2.7567 -1 2 0 2 33.49 18.48 2.6756 -1 -1 2 2 34.17 8.95 2.6244 1 2 2 2 34.33 41.58 2.6122 -1 2 1 2 35.44 1.93 2.5330 0 2 2 2 36.00 3.98 2.4946 1 -1 2 2 36.11 25.70 2.4872 1 3 0 2 36.14 34.14 2.4854 2 -1 1 2 36.75 3.34 2.4454 1 3 1 2 37.41 16.06 2.4040 3 1 0 2 37.77 5.64 2.3816 2 0 2 2 38.62 1.15 2.3316 2 3 0 2 39.30 14.46 2.2924 0 3 1 2 40.17 3.12 2.2449 3 2 1 2 41.80 14.69 2.1609 3 0 1 2 42.21 1.21 2.1410 0 0 3 2 42.53 14.93 2.1258 1 3 2 2 42.57 3.09 2.1238 0 1 3 2 42.78 11.01 2.1137 0 -3 1 2 42.95 13.38 2.1056 -3 0 1 2 43.27 6.37 2.0908 -2 -3 1 2 43.61 6.65 2.0753 -3 -2 1 2 43.81 9.51 2.0664 1 0 3 2 44.17 1.63 2.0502 -2 -2 2 2 44.92 8.33 2.0179 -1 0 3 2 45.10 1.32 2.0104 3 1 2 2 45.10 12.85 2.0103 -1 3 0 2 45.32 1.80 2.0011 3 3 0 2 45.66 1.15 1.9869 1 2 3 2 45.84 4.22 1.9794 0 -1 3 2 46.18 5.47 1.9656 -3 1 0 2 46.62 2.53 1.9483 -1 1 3 2 46.85 2.37 1.9393 0 2 3 2 47.08 2.57 1.9303 -1 -1 3 2 47.10 2.71 1.9293 2 1 3 2 48.66 1.83 1.8713 1 -1 3 2 49.01 2.42 1.8585 1 4 1 2 49.59 3.89 1.8382 -1 -3 2 2 50.11 10.53 1.8204 3 3 2 2 51.13 1.45 1.7866 0 -3 2 2 51.86 2.52 1.7629 -3 -2 2 2 51.88 3.11 1.7625 -1 2 3 2 51.88 4.81 1.7625 4 1 1 2 51.89 1.05 1.7622 -2 -3 2 2 53.61 7.60 1.7095 2 4 2 2 53.87 1.07 1.7020 3 4 1 2 54.08 5.62 1.6957 4 0 0 2 54.13 2.08 1.6944 -4 -1 1 2 54.16 6.78 1.6936 -2 1 3 2 54.33 10.11 1.6887 0 3 3 2 54.77 6.55 1.6760 -3 1 2 2 54.88 2.35 1.6729 3 1 3 2 55.01 2.64 1.6693 4 3 1 2 56.26 7.20 1.6351 4 2 2 2 56.27 2.18 1.6349 1 -3 2 2 56.52 2.20 1.6281 0 4 2 2 56.55 3.12 1.6274 1 -2 3 2 56.86 2.18 1.6192 -3 2 1 2 56.87 1.14 1.6191 4 1 2 2 57.69 12.47 1.5980 -3 -3 2 2 58.10 13.30 1.5877 3 0 3 2 58.47 3.77 1.5786 -3 -4 1 2 58.52 1.58 1.5772 1 0 4 2 60.29 1.85 1.5350 0 2 4 2 60.65 1.02 1.5269 2 1 4 2 61.12 4.68 1.5163 1 4 3 2 61.18 1.57 1.5148 -1 -3 3 2 61.43 3.91 1.5094 2 2 4 2 61.82 4.99 1.5008 4 4 0 2 61.94 1.35 1.4982 -1 -1 4 2 62.18 8.13 1.4930 1 -4 1 2 62.40 8.13 1.4882 -4 1 1 2 62.97 2.89 1.4761 1 -1 4 2 63.02 1.48 1.4751 2 0 4 2 63.48 1.75 1.4654 2 -2 3 2 64.27 1.52 1.4493 0 4 3 2 64.32 1.58 1.4484 3 -1 3 2 65.28 2.13 1.4292 2 3 4 2 65.48 1.03 1.4254 5 1 0 2 66.37 2.43 1.4085 -2 -1 4 2 66.37 4.39 1.4085 4 3 3 2 66.37 6.41 1.4084 0 5 1 2 66.60 3.27 1.4042 -3 3 0 2 66.64 7.80 1.4034 -2 -5 1 2 67.14 1.27 1.3941 -1 -2 4 2 68.03 8.72 1.3781 -5 -2 1 2 68.64 1.47 1.3674 -2 3 3 2 69.58 1.53 1.3512 3 3 4 2 70.33 4.50 1.3385 5 0 1 2 70.37 9.82 1.3378 -2 -2 4 2 70.39 1.54 1.3375 5 1 2 2 70.52 1.83 1.3354 -1 4 3 2 70.78 2.31 1.3311 -3 2 3 2 71.09 2.45 1.3262 -4 -1 3 2 71.94 1.90 1.3125 -1 -4 3 2 72.05 1.18 1.3109 -3 3 2 2 72.35 2.97 1.3061 -2 4 2 2 73.14 1.04 1.2939 3 -2 3 2 74.23 5.67 1.2776 2 -3 3 2 74.37 1.11 1.2755 -1 -5 2 2 75.55 1.39 1.2585 0 2 5 2 76.62 1.63 1.2436 2 6 0 2 76.68 4.32 1.2427 4 -2 2 2 77.17 5.51 1.2361 3 6 1 2 80.60 4.15 1.1919 6 3 1 2 81.16 2.69 1.1851 4 4 4 2 81.42 3.58 1.1820 5 5 2 2 82.16 1.10 1.1732 1 5 4 2 82.18 1.15 1.1729 -1 -6 1 2 82.60 2.75 1.1681 -2 1 5 2 83.08 1.87 1.1625 -5 1 2 2 83.24 1.02 1.1607 3 5 4 2 84.47 1.16 1.1469 -6 -3 1 2 84.53 1.06 1.1462 0 6 2 2 84.58 1.51 1.1457 -5 -2 3 2 85.43 2.07 1.1365 1 4 5 2 89.01 1.88 1.0998 4 2 5 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.