Mg2SiO4 Baur W H American Mineralogist 57 (1972) 709-731 Computer-simulated crystal structures of observed and hypothetical Mg2SiO4 polymorphs of low and high density Model I Locality: hypothetical _database_code_amcsd 0000280 CELL PARAMETERS: 10.1100 5.7700 4.7000 90.000 90.000 90.000 SPACE GROUP: P2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 274.173 Density (g/cm3): 3.408 MAX. ABS. INTENSITY / VOLUME**2: 9.745689475 RIR: 0.931 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.75 3.10 10.1100 1 0 0 2 17.54 21.80 5.0550 2 0 0 2 17.70 41.52 5.0113 1 1 0 4 18.88 1.68 4.7000 0 0 1 2 20.84 6.18 4.2620 1 0 1 2 20.84 7.04 4.2620 -1 0 1 2 24.43 8.93 3.6441 0 1 1 4 25.88 7.42 3.4421 2 0 1 2 25.88 9.49 3.4421 -2 0 1 2 25.99 20.47 3.4282 1 1 1 4 25.99 13.83 3.4282 -1 1 1 4 30.23 4.80 2.9560 2 1 1 4 30.23 7.28 2.9560 -2 1 1 4 30.72 23.67 2.9100 3 1 0 4 31.00 11.78 2.8850 0 2 0 2 32.70 1.51 2.7387 3 0 1 2 36.31 18.76 2.4742 -3 1 1 4 36.31 17.68 2.4742 3 1 1 4 36.55 18.81 2.4587 0 2 1 4 37.65 2.04 2.3891 1 2 1 4 37.65 1.86 2.3891 -1 2 1 4 40.52 47.12 2.2260 4 0 1 2 40.52 1.83 2.2260 -4 0 1 2 40.81 3.76 2.2111 2 2 1 4 40.81 96.24 2.2111 -2 2 1 4 42.42 2.78 2.1310 2 0 2 2 42.42 3.99 2.1310 -2 0 2 2 42.49 9.06 2.1277 1 1 2 4 42.49 5.76 2.1277 -1 1 2 4 45.68 1.32 1.9863 -3 2 1 4 45.68 1.56 1.9863 3 2 1 4 49.05 1.76 1.8574 5 0 1 2 51.33 1.40 1.7801 0 3 1 4 51.70 1.37 1.7681 -5 1 1 4 51.88 1.70 1.7624 4 2 1 4 52.18 1.54 1.7531 1 3 1 4 53.22 19.43 1.7210 4 0 2 2 53.22 11.61 1.7210 -4 0 2 2 53.46 21.78 1.7141 2 2 2 4 53.46 36.85 1.7141 -2 2 2 4 54.45 1.64 1.6850 6 0 0 2 54.67 1.58 1.6790 -2 3 1 4 54.97 3.49 1.6704 3 3 0 4 58.16 3.23 1.5861 6 0 1 2 58.65 6.95 1.5740 -3 3 1 4 58.65 1.80 1.5740 3 3 1 4 58.95 11.84 1.5667 0 0 3 2 59.16 1.85 1.5617 -5 2 1 4 60.54 1.76 1.5294 6 1 1 4 62.02 2.52 1.4964 -2 0 3 2 62.07 5.21 1.4953 1 1 3 4 62.72 2.45 1.4814 5 1 2 4 62.88 2.43 1.4780 -4 2 2 4 63.14 1.06 1.4725 1 3 2 4 63.14 2.67 1.4725 -1 3 2 4 63.99 42.84 1.4550 6 2 0 4 64.61 21.49 1.4425 0 4 0 2 70.75 1.35 1.3316 4 0 3 2 70.75 5.03 1.3316 -4 0 3 2 70.95 9.96 1.3284 2 2 3 4 70.95 2.83 1.3284 -2 2 3 4 78.35 3.55 1.2204 -8 0 1 2 79.09 2.15 1.2109 -5 1 3 4 79.11 1.32 1.2106 -4 4 1 4 79.11 6.24 1.2106 4 4 1 4 79.23 2.22 1.2090 4 2 3 4 79.47 2.40 1.2060 1 3 3 4 79.67 1.06 1.2034 7 1 2 4 80.43 1.10 1.1940 -8 1 1 4 82.01 1.75 1.1750 0 0 4 2 87.68 1.33 1.1130 8 0 2 2 87.68 2.90 1.1130 -8 0 2 2 88.43 6.59 1.1055 4 4 2 4 88.43 2.60 1.1055 -4 4 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.