Svyatoslavite Takeuchi Y, Haga N, Ito J Zeitschrift fur Kristallographie 137 (1973) 380-398 The crystal structure of monoclinic CaAl2Si2O8: a case of monoclinic structure closely simulating orthorhombic symmetry Locality: synthetic _database_code_amcsd 0019486 CELL PARAMETERS: 8.2280 8.6210 4.8270 90.000 90.000 90.000 SPACE GROUP: P2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 342.396 Density (g/cm3): 2.685 MAX. ABS. INTENSITY / VOLUME**2: 9.862170550 RIR: 1.196 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.88 2.79 5.9522 1 1 0 2 20.61 3.78 4.3105 0 2 0 1 21.09 4.94 4.2117 0 1 1 2 21.34 41.43 4.1634 -1 0 1 2 21.34 24.82 4.1634 1 0 1 2 21.60 49.30 4.1140 2 0 0 2 23.73 11.03 3.7491 -1 1 1 2 23.73 24.84 3.7491 1 1 1 2 27.75 100.00 3.2151 0 2 1 2 30.03 26.63 2.9761 2 2 0 2 30.37 23.93 2.9430 -2 1 1 2 30.37 24.25 2.9430 2 1 1 2 33.02 28.65 2.7130 1 3 0 2 34.31 4.01 2.6136 3 1 0 2 35.43 5.17 2.5333 -2 2 1 2 35.43 8.07 2.5333 2 2 1 2 37.72 3.86 2.3846 3 0 1 2 37.72 4.66 2.3846 -3 0 1 2 38.05 2.57 2.3650 -1 3 1 2 38.05 3.26 2.3650 1 3 1 2 38.74 5.08 2.3241 0 1 2 2 39.20 2.15 2.2983 3 1 1 2 40.32 4.07 2.2366 1 1 2 2 40.32 5.02 2.2366 -1 1 2 2 42.71 3.37 2.1172 -2 3 1 2 42.71 4.11 2.1172 2 3 1 2 42.95 1.20 2.1059 0 2 2 2 43.36 20.23 2.0866 -3 2 1 2 43.36 15.72 2.0866 3 2 1 2 43.47 2.11 2.0817 -2 0 2 2 43.47 2.43 2.0817 2 0 2 2 44.02 8.47 2.0570 4 0 0 2 44.40 3.45 2.0401 -1 2 2 2 44.40 2.52 2.0401 1 2 2 2 44.79 1.13 2.0236 2 1 2 2 46.12 13.22 1.9680 0 4 1 2 47.63 1.90 1.9091 2 4 0 2 49.07 2.07 1.8565 4 2 0 2 49.31 3.04 1.8481 0 3 2 2 50.62 1.13 1.8032 1 3 2 2 51.47 3.14 1.7753 -2 4 1 2 51.47 1.98 1.7753 2 4 1 2 52.84 1.06 1.7327 4 2 1 2 54.37 3.14 1.6875 1 5 0 2 54.97 9.70 1.6703 -3 2 2 2 54.97 10.60 1.6703 3 2 2 2 57.31 4.32 1.6076 0 4 2 2 57.65 3.79 1.5989 -3 4 1 2 57.65 4.12 1.5989 3 4 1 2 57.89 1.18 1.5930 -1 5 1 2 58.45 1.01 1.5791 -1 0 3 2 58.50 2.74 1.5777 -1 4 2 2 59.33 2.64 1.5576 5 0 1 2 59.33 5.81 1.5576 -5 0 1 2 60.39 3.95 1.5328 5 1 1 2 60.39 1.31 1.5328 -5 1 1 2 60.40 1.14 1.5327 3 3 2 2 61.52 1.00 1.5074 0 2 3 2 63.51 1.30 1.4649 -5 2 1 2 64.90 7.72 1.4368 0 6 0 1 65.35 7.22 1.4280 5 3 0 2 66.00 2.56 1.4154 -2 2 3 2 66.00 2.71 1.4154 2 2 3 2 66.61 8.56 1.4039 0 3 3 2 66.66 2.81 1.4030 0 5 2 2 66.97 1.84 1.3972 3 5 1 2 66.97 1.37 1.3972 -3 5 1 2 67.49 1.47 1.3878 3 0 3 2 67.54 3.93 1.3869 -3 4 2 2 67.54 2.23 1.3869 3 4 2 2 68.41 3.45 1.3713 6 0 0 2 69.17 1.31 1.3582 -1 6 1 2 69.27 2.21 1.3565 2 6 0 2 70.06 2.33 1.3430 5 1 2 2 70.93 2.06 1.3287 -2 3 3 2 70.93 2.83 1.3287 2 3 3 2 70.98 2.46 1.3279 -2 5 2 2 70.98 2.00 1.3279 2 5 2 2 72.96 2.91 1.2967 5 2 2 2 72.96 4.91 1.2967 -5 2 2 2 73.44 2.01 1.2893 0 4 3 2 75.35 1.59 1.2614 6 2 1 2 75.35 1.09 1.2614 -6 2 1 2 79.41 1.06 1.2068 0 0 4 2 80.04 1.38 1.1989 -6 3 1 2 80.34 1.68 1.1951 0 1 4 2 80.48 1.20 1.1933 0 7 1 2 80.72 1.26 1.1904 5 5 0 2 83.67 1.70 1.1558 5 5 1 2 83.67 1.01 1.1558 -5 5 1 2 84.15 1.22 1.1505 5 0 3 2 84.15 1.62 1.1505 -5 0 3 2 84.20 2.93 1.1499 -5 4 2 2 84.20 2.10 1.1499 5 4 2 2 84.54 1.87 1.1461 -2 7 1 2 84.54 1.63 1.1461 2 7 1 2 86.66 2.13 1.1235 3 7 0 2 87.16 1.23 1.1183 2 2 4 2 87.16 1.10 1.1183 -2 2 4 2 88.58 1.18 1.1040 7 2 1 2 89.44 1.41 1.0956 3 1 4 2 89.44 1.66 1.0956 -3 1 4 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.