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 = 1291 K on heating cycle, MgAl2O4 _database_code_amcsd 0002117 CELL PARAMETERS: 8.1537 8.1537 8.1537 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 542.071 Density (g/cm3): 3.486 MAX. ABS. INTENSITY / VOLUME**2: 17.41806412 RIR: 1.627 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.85 29.54 4.7075 1 1 1 8 31.02 32.52 2.8828 2 2 0 12 36.55 100.00 2.4584 3 1 1 24 38.24 1.21 2.3538 2 2 2 8 44.44 55.39 2.0384 4 0 0 6 55.19 8.54 1.6644 4 2 2 24 58.85 37.20 1.5692 5 1 1 24 58.85 3.19 1.5692 3 3 3 8 64.67 63.82 1.4414 4 4 0 12 68.02 2.69 1.3782 5 3 1 48 73.45 2.49 1.2892 6 2 0 24 76.63 8.26 1.2434 5 3 3 24 81.85 5.64 1.1769 4 4 4 8 84.94 2.00 1.1417 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.