Pertsevite-(F) Brovkin A A, Nikishova L V Soviet Physics Crystallography 20 (1975) 452-455 The crystal structure of a-Mg2BO3F and the isomorphic substitution (3F)=(BO3) Locality: synthetic _database_code_amcsd 0015570 CELL PARAMETERS: 20.4400 4.5300 11.8000 90.000 90.000 90.000 SPACE GROUP: Pna2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1092.600 Density (g/cm3): 3.080 MAX. ABS. INTENSITY / VOLUME**2: 8.298885788 RIR: 0.877 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 8.65 1.58 10.2200 2 0 0 2 11.45 1.01 7.7253 2 0 1 2 21.46 17.56 4.1414 1 1 1 4 22.76 1.51 3.9077 2 1 1 4 23.58 13.04 3.7723 3 1 0 4 24.25 7.21 3.6709 2 0 3 2 24.78 4.07 3.5932 3 1 1 4 26.16 5.47 3.4067 6 0 0 2 27.25 1.87 3.2730 6 0 1 2 28.64 3.28 3.1169 4 0 3 2 29.43 7.36 3.0349 5 1 0 4 30.41 2.06 2.9392 4 1 2 4 30.41 5.68 2.9391 1 1 3 4 31.57 1.33 2.8343 2 0 4 2 32.90 42.79 2.7226 3 1 3 4 33.20 18.53 2.6988 5 1 2 4 33.79 1.69 2.6530 6 1 1 4 34.94 2.28 2.5678 4 1 3 4 35.12 3.42 2.5550 8 0 0 2 35.13 3.29 2.5548 4 0 4 2 36.62 29.03 2.4542 1 1 4 4 37.43 27.02 2.4029 7 1 1 4 37.43 13.21 2.4028 5 1 3 4 39.78 3.05 2.2661 7 1 2 4 40.05 2.38 2.2512 1 2 0 4 40.54 33.39 2.2254 8 1 0 4 40.54 66.61 2.2253 4 1 4 4 40.81 1.35 2.2113 1 2 1 4 42.18 2.21 2.1426 8 0 3 2 42.18 2.57 2.1425 4 0 5 2 42.75 3.24 2.1153 5 1 4 4 42.76 2.11 2.1146 3 2 1 4 43.00 1.70 2.1033 1 2 2 4 44.88 1.44 2.0195 3 2 2 4 45.01 1.87 2.0140 10 0 1 2 45.33 3.17 2.0007 3 1 5 4 46.16 1.28 1.9667 0 0 6 1 46.83 1.33 1.9400 6 0 5 2 46.91 1.47 1.9368 4 1 5 4 47.15 1.55 1.9276 2 2 3 4 47.35 1.64 1.9198 9 1 2 4 48.23 4.78 1.8867 7 1 4 4 48.90 2.03 1.8625 6 2 1 4 49.53 1.48 1.8403 10 1 1 4 49.76 2.37 1.8323 4 2 3 4 52.69 1.92 1.7372 3 2 4 4 53.29 1.31 1.7192 11 1 0 4 53.91 1.38 1.7007 6 2 3 4 54.11 25.58 1.6949 8 2 0 4 54.11 54.49 1.6948 4 2 4 4 54.50 1.98 1.6838 10 1 3 4 54.63 2.27 1.6801 10 0 4 2 54.71 1.86 1.6777 8 2 1 4 54.90 4.65 1.6724 9 1 4 4 55.23 3.13 1.6632 2 0 7 2 55.69 1.35 1.6504 5 1 6 4 57.08 1.71 1.6137 2 2 5 4 58.41 1.28 1.5799 0 1 7 2 58.60 9.56 1.5753 11 1 3 4 58.60 2.68 1.5753 10 1 4 4 58.60 6.31 1.5752 1 1 7 4 59.10 2.87 1.5631 12 0 3 2 59.30 1.05 1.5584 8 0 6 2 59.38 1.32 1.5565 8 2 3 4 59.86 1.93 1.5451 10 0 5 2 62.14 1.72 1.4938 1 3 1 4 62.53 1.96 1.4854 13 1 0 4 62.55 1.23 1.4850 0 2 6 2 63.02 21.92 1.4751 12 0 4 2 63.02 12.28 1.4750 0 0 8 1 63.06 1.53 1.4742 3 3 0 4 63.74 1.69 1.4600 14 0 0 2 63.79 1.23 1.4591 1 3 2 4 65.23 1.29 1.4303 3 3 2 4 65.95 1.96 1.4165 5 3 0 4 66.45 1.05 1.4071 8 0 7 2 67.02 1.19 1.3965 2 3 3 4 67.39 1.71 1.3896 11 1 5 4 67.39 7.37 1.3895 7 1 7 4 67.86 1.78 1.3812 12 0 5 2 67.90 2.32 1.3805 3 3 3 4 68.28 1.86 1.3737 3 1 8 4 69.12 1.43 1.3589 4 3 3 4 70.17 1.04 1.3412 1 3 4 4 70.69 2.59 1.3327 7 3 1 4 70.69 1.36 1.3327 5 3 3 4 72.75 2.58 1.2999 8 3 0 4 72.75 5.05 1.2999 4 3 4 4 72.94 2.86 1.2970 15 1 1 4 72.94 1.26 1.2969 9 1 7 4 73.26 1.26 1.2921 8 3 1 4 74.24 1.07 1.2774 8 0 8 2 75.29 1.01 1.2622 2 3 5 4 77.66 1.08 1.2295 16 1 0 4 77.66 3.63 1.2295 8 1 8 4 78.31 1.02 1.2210 7 3 4 4 85.80 3.28 1.1325 0 4 0 2 86.70 1.44 1.1231 11 3 3 4 86.70 1.09 1.1230 1 3 7 4 87.71 2.10 1.1127 16 2 0 4 87.71 4.73 1.1127 8 2 8 4 88.20 1.01 1.1078 16 2 1 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.