Spinel Redfern S A T, Harrison R J, O'Neill H St C, Wood D R R American Mineralogist 84 (1999) 299-310 Thermodynamics and kinetics of cation ordering in MgAl2O4 spinel up to 1600 C from in situ neutron diffraction Data collected at IPNS, Argonne National Laboratory, T = 1544 K on heating cycle, MgAl2O4 _database_code_amcsd 0002121 CELL PARAMETERS: 8.1740 8.1740 8.1740 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 546.144 Density (g/cm3): 3.460 MAX. ABS. INTENSITY / VOLUME**2: 17.00263029 RIR: 1.600 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.80 28.59 4.7193 1 1 1 8 30.94 32.25 2.8900 2 2 0 12 36.46 100.00 2.4646 3 1 1 24 38.14 1.20 2.3596 2 2 2 8 44.33 55.01 2.0435 4 0 0 6 55.04 8.26 1.6685 4 2 2 24 58.69 35.30 1.5731 5 1 1 24 58.69 3.23 1.5731 3 3 3 8 64.49 61.27 1.4450 4 4 0 12 67.83 2.59 1.3817 5 3 1 48 73.24 2.34 1.2924 6 2 0 24 76.41 7.74 1.2465 5 3 3 24 81.60 5.35 1.1798 4 4 4 8 84.68 1.81 1.1446 5 5 1 24 89.78 3.14 1.0923 6 4 2 48 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.