Brownmillerite Colville A, Geller S Acta Crystallographica B28 (1972) 3196-3200 Crystal structures of Ca2Fe1.43Al0.57O5 and Ca2Fe1.28Al0.72O5 Locality: synthetic _cod_database_code 1000040 _database_code_amcsd 0009431 CELL PARAMETERS: 5.5880 14.6100 5.3800 90.000 90.000 90.000 SPACE GROUP: Ibm2 X-RAY WAVELENGTH: 1.541838 Cell Volume: 439.227 Density (g/cm3): 3.848 MAX. ABS. INTENSITY / VOLUME**2: 29.05565781 RIR: 2.458 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.12 23.81 7.3050 0 2 0 2 16.99 3.71 5.2193 1 1 0 4 22.95 9.07 3.8757 1 0 1 2 24.24 11.91 3.6714 1 3 0 4 24.37 5.55 3.6525 0 4 0 2 26.03 4.01 3.4237 1 2 1 4 32.03 34.40 2.7940 2 0 0 2 33.31 42.80 2.6900 0 0 2 1 33.72 100.00 2.6581 1 4 1 4 34.64 10.07 2.5894 1 5 0 4 36.76 4.29 2.4446 2 1 1 4 40.66 2.16 2.2192 2 4 0 4 40.84 1.09 2.2096 2 3 1 4 41.62 5.40 2.1699 1 3 2 4 41.70 2.12 2.1660 0 4 2 2 43.91 19.41 2.0618 1 6 1 4 46.88 40.07 1.9378 2 0 2 2 48.13 2.97 1.8906 2 5 1 4 48.61 9.41 1.8731 2 2 2 4 49.94 17.14 1.8262 0 8 0 2 50.56 1.49 1.8052 0 6 2 2 52.61 7.48 1.7398 3 3 0 4 55.25 1.86 1.6627 1 2 3 4 55.63 2.95 1.6520 1 8 1 4 57.74 2.69 1.5968 2 7 1 4 58.18 15.32 1.5856 3 4 1 4 58.79 2.56 1.5707 3 5 0 4 59.79 18.36 1.5469 1 4 3 4 60.57 5.92 1.5287 2 8 0 4 61.36 7.65 1.5109 0 8 2 2 61.80 2.53 1.5012 2 1 3 4 63.70 3.84 1.4609 3 3 2 4 65.43 3.88 1.4265 3 6 1 4 66.93 4.53 1.3981 1 6 3 4 66.99 1.80 1.3970 4 0 0 2 68.37 3.40 1.3721 4 2 0 4 68.65 2.21 1.3671 1 10 1 4 69.27 3.26 1.3564 3 5 2 4 69.86 1.58 1.3464 4 1 1 4 69.94 3.92 1.3450 0 0 4 1 70.19 1.06 1.3409 2 5 3 4 70.91 10.94 1.3291 2 8 2 4 71.30 1.92 1.3228 0 2 4 2 76.90 1.01 1.2398 4 0 2 2 77.84 1.02 1.2271 4 5 1 4 78.15 1.50 1.2230 2 7 3 4 78.54 3.88 1.2180 3 4 3 4 79.01 2.53 1.2119 2 0 4 2 82.73 2.33 1.1666 2 10 2 4 83.17 3.11 1.1615 1 12 1 4 84.99 2.21 1.1412 3 6 3 4 85.58 2.07 1.1348 4 7 1 4 87.97 1.02 1.1101 1 10 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.