Ca O4 Si Sr Il'inets A, Nevskii N, Ilyukhin V, Bikbau M, Belov N Doklady Akademii Nauk SSSR 267 (1982) 641-644 The crystal structure of alpha'-modification of dicalcium silicate Ca (Ca, Sr) Si O4 _cod_database_code 1100022 _database_code_amcsd 0018223 CELL PARAMETERS: 20.8710 9.4960 5.6000 90.000 90.000 90.000 SPACE GROUP: Pna2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1109.870 Density (g/cm3): 3.945 MAX. ABS. INTENSITY / VOLUME**2: 23.47762995 RIR: 1.938 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.79 8.88 5.6121 3 1 0 4 18.39 8.30 4.8237 0 1 1 2 18.69 11.57 4.7480 0 2 0 2 22.43 17.93 3.9641 3 1 1 4 22.67 5.71 3.9217 3 2 0 4 25.61 11.44 3.4785 6 0 0 2 27.30 9.05 3.2663 6 1 0 4 27.77 25.41 3.2123 3 2 1 4 30.25 34.19 2.9548 6 0 1 2 31.04 4.33 2.8811 3 3 0 4 31.71 51.83 2.8214 6 1 1 4 31.89 12.01 2.8060 6 2 0 4 31.96 61.80 2.8000 0 0 2 1 32.49 100.00 2.7556 0 3 1 2 35.79 10.36 2.5087 6 2 1 4 35.84 1.03 2.5055 3 1 2 4 37.28 14.79 2.4118 0 2 2 2 37.90 3.54 2.3740 0 4 0 2 38.45 31.41 2.3411 6 3 0 4 39.55 27.44 2.2788 3 2 2 4 40.02 36.65 2.2528 9 1 0 4 40.13 19.58 2.2468 3 4 0 4 41.82 2.69 2.1600 6 3 1 4 42.53 13.04 2.1258 6 1 2 4 43.29 2.49 2.0900 9 1 1 4 43.40 3.15 2.0852 3 4 1 4 43.43 4.12 2.0837 9 2 0 4 45.15 6.07 2.0080 3 3 2 4 45.78 22.15 1.9820 6 2 2 4 46.30 4.50 1.9609 6 4 0 4 46.50 4.78 1.9529 9 2 1 4 48.67 1.30 1.8707 9 3 0 4 49.23 3.02 1.8507 6 4 1 4 49.77 5.84 1.8322 3 5 0 4 50.76 5.80 1.7986 0 5 1 2 50.84 23.12 1.7960 6 3 2 4 51.60 3.81 1.7713 3 1 3 4 52.11 18.31 1.7552 9 1 2 4 52.20 1.90 1.7524 3 4 2 4 52.55 2.19 1.7413 3 5 1 4 53.57 1.45 1.7108 12 1 0 4 54.44 4.41 1.6855 3 2 3 4 55.09 5.19 1.6669 6 5 0 4 55.31 5.62 1.6610 12 0 1 2 55.90 6.47 1.6448 6 0 3 2 56.22 2.55 1.6361 12 1 1 4 56.33 2.33 1.6331 12 2 0 4 56.81 5.70 1.6207 6 1 3 4 57.30 16.66 1.6079 0 3 3 2 57.37 2.24 1.6062 6 4 2 4 57.98 16.80 1.5906 9 4 1 4 58.30 3.95 1.5827 0 6 0 2 58.91 3.36 1.5678 12 2 1 4 59.48 2.39 1.5542 6 2 3 4 60.38 6.55 1.5331 3 5 2 4 60.76 6.75 1.5243 12 3 0 4 62.42 1.29 1.4878 3 6 1 4 63.75 4.78 1.4599 12 1 2 4 63.77 2.11 1.4595 6 3 3 4 64.71 1.84 1.4406 6 6 0 4 65.13 2.75 1.4323 6 5 2 4 65.39 1.63 1.4272 9 4 2 4 66.25 1.04 1.4107 12 2 2 4 66.82 7.46 1.4000 0 0 4 1 67.09 5.52 1.3951 6 6 1 4 67.35 1.02 1.3904 9 2 3 4 68.05 8.57 1.3778 0 6 2 2 69.01 1.24 1.3610 12 4 1 4 70.32 7.53 1.3388 12 3 2 4 70.43 4.64 1.3369 15 1 1 4 70.53 3.29 1.3352 15 2 0 4 70.77 2.19 1.3313 0 5 3 2 71.57 1.31 1.3184 0 7 1 2 73.89 2.06 1.2827 12 5 0 4 74.00 5.91 1.2810 6 6 2 4 74.58 2.54 1.2725 12 0 3 2 75.36 1.40 1.2612 12 1 3 4 75.96 1.75 1.2527 6 2 4 4 76.88 6.24 1.2400 9 4 3 4 77.69 1.35 1.2291 12 2 3 4 79.53 3.27 1.2052 15 2 2 4 79.82 3.65 1.2015 6 3 4 4 79.91 2.33 1.2004 15 4 0 4 80.83 3.26 1.1891 9 1 4 4 80.90 1.56 1.1882 3 4 4 4 81.00 2.52 1.1870 0 8 0 2 82.35 2.98 1.1709 9 7 0 4 82.77 1.14 1.1661 12 5 2 4 83.35 1.80 1.1595 18 0 0 2 84.57 3.29 1.1458 12 6 1 4 85.06 2.54 1.1404 6 6 3 4 87.74 1.41 1.1124 3 5 4 4 88.18 2.39 1.1080 15 1 3 4 88.65 4.24 1.1033 15 4 2 4 88.93 1.66 1.1005 15 5 1 4 89.73 2.18 1.0929 0 8 2 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.