Maghemite Pecharroman C, Gonzalez-Carreno T, Iglesias J E Physics and Chemistry of Minerals 22 (1995) 21-29 The infrared dielectric properties of maghemite, gamma-Fe2O3, from reflectance measurement on pressed powders Sample: c) idealized, either one of Fe-oct 1-6, or both Fe-oct 6-7 have zero occupancy Locality: synthetic _database_code_amcsd 0007900 CELL PARAMETERS: 8.3300 8.3300 24.9900 90.000 90.000 90.000 SPACE GROUP: P4_32_12 X-RAY WAVELENGTH: 1.541838 Cell Volume: 1734.029 Density (g/cm3): 5.321 MAX. ABS. INTENSITY / VOLUME**2: 94.50699738 RIR: 5.784 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.45 5.69 4.8093 1 1 3 8 30.35 18.30 2.9451 2 0 6 8 30.35 9.15 2.9451 2 2 0 4 35.75 66.67 2.5116 3 1 3 8 35.75 33.33 2.5116 1 1 9 8 37.40 8.17 2.4047 2 2 6 8 43.45 6.55 2.0825 0 0 12 2 43.45 13.09 2.0825 4 0 0 4 53.92 3.03 1.7004 2 2 12 8 53.92 6.06 1.7004 4 2 6 8 57.49 14.06 1.6031 5 1 3 8 57.49 7.03 1.6031 1 1 15 8 57.49 7.03 1.6031 3 3 9 8 63.14 26.08 1.4725 4 0 12 8 63.14 13.04 1.4725 4 4 0 4 71.65 1.09 1.3171 6 0 6 8 71.65 1.09 1.3171 6 2 0 8 71.65 1.09 1.3171 2 0 18 8 74.73 5.45 1.2703 5 3 9 8 74.73 2.73 1.2703 3 3 15 8 75.74 1.22 1.2558 2 2 18 8 75.74 2.44 1.2558 6 2 6 8 79.76 2.47 1.2023 4 4 12 8 87.67 1.13 1.1131 6 4 6 8 87.67 1.13 1.1131 6 2 12 8 87.67 1.13 1.1131 4 2 18 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.