Richterite Senda K, Ishida K, Jenkins D M American Mineralogist 90 (2005) 1062-1071 X-ray Rietveld refinement and FTIR spectra of synthetic (Si,Ge)-richterites Sample: Ge4Ri, Si48Ge52 _database_code_amcsd 0003794 CELL PARAMETERS: 10.1237 18.1470 5.3386 90.000 105.067 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 947.063 Density (g/cm3): 3.460 MAX. ABS. INTENSITY / VOLUME**2: 8.630907775 RIR: 0.812 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.75 25.75 9.0735 0 2 0 2 10.28 17.33 8.6064 1 1 0 4 17.24 7.54 5.1439 1 3 0 4 17.92 21.33 4.9499 -1 1 1 4 18.15 69.96 4.8878 2 0 0 2 19.57 41.58 4.5367 0 4 0 2 19.81 8.43 4.4822 0 2 1 4 22.03 6.76 4.0341 1 1 1 4 22.69 64.93 3.9191 -1 3 1 4 26.09 72.59 3.4151 1 3 1 4 26.81 49.15 3.3252 2 4 0 4 27.82 73.35 3.2073 3 1 0 4 28.24 1.95 3.1604 2 0 1 2 28.78 3.81 3.1024 -3 1 1 4 29.94 45.08 2.9845 2 2 1 4 30.13 37.39 2.9657 -1 5 1 4 31.18 21.09 2.8688 3 3 0 4 32.04 42.43 2.7930 -3 3 1 4 32.82 100.00 2.7285 1 5 1 4 34.38 44.90 2.6087 0 6 1 4 34.81 29.36 2.5775 0 0 2 2 34.88 75.37 2.5725 -2 0 2 2 36.30 3.36 2.4749 -2 2 2 4 36.36 2.13 2.4709 -4 0 1 2 36.78 5.10 2.4439 4 0 0 2 36.80 1.73 2.4421 -1 3 2 4 36.86 4.97 2.4385 -2 6 1 4 37.08 3.55 2.4247 3 5 0 4 37.73 16.38 2.3841 -4 2 1 4 37.83 55.86 2.3784 -3 5 1 4 38.69 4.60 2.3271 1 1 2 4 38.82 10.31 2.3197 -3 1 2 4 38.90 22.85 2.3151 -1 7 1 4 39.74 1.94 2.2684 0 8 0 2 40.24 4.11 2.2411 0 4 2 4 41.09 6.82 2.1968 1 7 1 4 41.27 1.80 2.1877 1 3 2 4 41.32 5.18 2.1851 2 6 1 4 41.39 2.83 2.1815 -3 3 2 4 42.02 2.83 2.1503 -1 5 2 4 43.76 19.49 2.0688 2 0 2 2 44.01 5.23 2.0576 2 8 0 4 44.25 2.12 2.0469 3 5 1 4 44.67 1.36 2.0287 3 7 0 4 45.31 6.15 2.0014 -3 7 1 4 45.96 2.01 1.9748 1 9 0 4 46.15 7.63 1.9670 4 2 1 4 46.17 1.58 1.9660 -3 5 2 4 46.73 15.75 1.9439 5 1 0 4 48.35 3.19 1.8823 2 4 2 4 48.49 14.16 1.8773 -1 9 1 4 48.51 4.71 1.8765 -4 4 2 4 48.96 8.66 1.8604 5 3 0 4 48.98 3.11 1.8597 -1 7 2 4 50.28 3.05 1.8147 0 10 0 2 50.34 3.96 1.8126 1 9 1 4 50.81 6.65 1.7971 3 1 2 4 51.01 4.21 1.7903 -5 1 2 4 52.02 1.34 1.7580 -5 5 1 4 52.91 4.97 1.7305 3 3 2 4 53.54 1.73 1.7117 0 10 1 4 53.84 2.30 1.7029 0 8 2 4 53.89 10.49 1.7014 -2 8 2 4 53.89 8.71 1.7013 -1 3 3 4 54.00 5.79 1.6980 -3 9 1 4 54.34 8.54 1.6883 0 2 3 4 54.74 31.81 1.6768 4 6 1 4 55.25 8.14 1.6626 4 8 0 4 55.48 2.67 1.6561 -6 2 1 4 55.71 2.21 1.6500 -3 3 3 4 56.48 1.26 1.6293 6 0 0 2 56.58 3.80 1.6267 1 11 0 4 57.26 1.08 1.6089 -1 9 2 4 57.89 20.54 1.5929 -1 5 3 4 58.08 3.09 1.5882 -5 7 1 4 58.40 3.62 1.5802 4 0 2 2 58.64 13.49 1.5744 -6 0 2 2 58.66 1.41 1.5737 2 10 1 4 59.63 1.09 1.5506 -3 5 3 4 60.48 4.16 1.5308 5 5 1 4 60.54 4.61 1.5293 1 9 2 4 60.57 25.63 1.5286 -2 6 3 4 60.64 1.04 1.5272 -3 9 2 4 60.71 7.32 1.5254 -4 8 2 4 61.30 15.84 1.5122 0 12 0 2 62.13 1.37 1.4941 0 6 3 4 62.21 1.95 1.4923 4 4 2 4 62.44 4.02 1.4874 -6 4 2 4 62.63 4.73 1.4832 2 2 3 4 62.65 1.71 1.4829 -2 10 2 4 63.17 7.10 1.4718 3 11 0 4 63.18 32.65 1.4716 -6 6 1 4 63.58 4.31 1.4634 -1 7 3 4 63.89 1.45 1.4570 4 10 0 4 64.03 3.19 1.4542 -5 3 3 4 64.50 4.40 1.4447 2 12 0 4 65.20 3.19 1.4309 6 2 1 4 65.23 1.68 1.4303 -3 7 3 4 65.59 2.24 1.4233 -5 9 1 4 67.24 4.67 1.3924 7 1 0 4 67.42 14.74 1.3890 5 1 2 4 67.65 9.22 1.3848 -5 5 3 4 68.82 1.03 1.3642 2 10 2 4 69.02 2.58 1.3607 7 3 0 4 69.21 5.30 1.3575 5 3 2 4 69.46 1.43 1.3531 -7 3 2 4 69.67 8.49 1.3496 1 11 2 4 69.76 3.00 1.3481 -3 11 2 4 69.81 1.96 1.3472 -1 13 1 4 69.87 10.54 1.3463 2 6 3 4 70.04 8.14 1.3434 -7 5 1 4 70.10 1.82 1.3424 -5 9 2 4 70.77 2.29 1.3314 -1 9 3 4 71.26 1.70 1.3233 6 8 0 4 71.30 1.77 1.3227 1 13 1 4 71.50 6.75 1.3196 -1 1 4 4 71.58 2.89 1.3182 -3 1 4 4 72.30 6.74 1.3068 6 6 1 4 72.33 2.73 1.3064 -3 9 3 4 72.46 6.93 1.3043 0 12 2 4 72.50 15.20 1.3037 -2 12 2 4 72.93 1.05 1.2972 -5 7 3 4 73.17 3.05 1.2934 -6 8 2 4 73.23 3.49 1.2925 -1 3 4 4 73.32 3.07 1.2912 -3 3 4 4 73.48 1.84 1.2888 0 0 4 2 73.65 5.07 1.2862 -4 0 4 2 73.67 2.17 1.2860 4 12 0 4 75.24 1.54 1.2629 -7 7 1 4 75.39 2.51 1.2608 5 11 0 4 75.94 1.37 1.2530 -8 2 1 4 76.30 2.58 1.2480 4 2 3 4 76.32 1.41 1.2477 0 10 3 4 77.07 1.26 1.2375 -4 4 4 4 77.14 1.19 1.2365 -2 14 1 4 77.22 1.22 1.2355 -8 0 2 2 78.23 1.10 1.2220 8 0 0 2 78.44 1.32 1.2193 -4 12 2 4 78.53 1.32 1.2180 3 11 2 4 78.70 5.51 1.2159 -5 11 2 4 80.01 1.36 1.1993 2 14 1 4 80.59 2.05 1.1920 -8 4 2 4 80.82 1.16 1.1892 -6 10 2 4 81.07 1.61 1.1862 -7 5 3 4 81.78 1.21 1.1777 -1 15 1 4 82.15 3.00 1.1733 2 0 4 2 82.68 2.57 1.1671 -8 6 1 4 83.03 3.28 1.1631 4 6 3 4 83.20 1.64 1.1612 1 15 1 4 83.50 1.85 1.1577 2 10 3 4 84.37 2.95 1.1481 7 9 0 4 84.54 1.30 1.1461 5 9 2 4 85.47 1.10 1.1361 5 13 0 4 85.81 3.04 1.1324 -6 4 4 4 85.98 1.35 1.1306 5 3 3 4 86.06 1.50 1.1297 -7 7 3 4 88.21 1.11 1.1077 0 16 1 4 88.36 1.28 1.1062 -1 9 4 4 88.76 2.20 1.1022 3 1 4 4 89.29 1.99 1.0970 5 5 3 4 89.57 1.21 1.0943 7 3 2 4 89.76 1.46 1.0926 4 12 2 4 89.96 3.24 1.0906 -6 12 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.