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 = 1228 K on heating cycle, MgAl2O4 _database_code_amcsd 0002116 CELL PARAMETERS: 8.1489 8.1489 8.1489 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 541.120 Density (g/cm3): 3.492 MAX. ABS. INTENSITY / VOLUME**2: 17.49567189 RIR: 1.631 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.86 30.14 4.7048 1 1 1 8 31.04 32.56 2.8811 2 2 0 12 36.57 100.00 2.4570 3 1 1 24 38.26 1.21 2.3524 2 2 2 8 44.47 55.74 2.0372 4 0 0 6 55.22 8.56 1.6634 4 2 2 24 58.89 3.16 1.5683 3 3 3 8 58.89 37.80 1.5683 5 1 1 24 64.71 64.57 1.4405 4 4 0 12 68.07 2.78 1.3774 5 3 1 48 73.50 2.49 1.2885 6 2 0 24 76.69 8.39 1.2427 5 3 3 24 81.91 5.78 1.1762 4 4 4 8 85.00 2.10 1.1411 5 5 1 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.