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 = 1152 K on cooling cycle, MgAl2O4 _database_code_amcsd 0002132 CELL PARAMETERS: 8.1425 8.1425 8.1425 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 539.848 Density (g/cm3): 3.500 MAX. ABS. INTENSITY / VOLUME**2: 17.64901428 RIR: 1.642 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.88 30.33 4.7011 1 1 1 8 31.07 32.65 2.8788 2 2 0 12 36.60 100.00 2.4551 3 1 1 24 38.29 1.18 2.3505 2 2 2 8 44.51 55.56 2.0356 4 0 0 6 55.27 8.68 1.6621 4 2 2 24 58.94 3.18 1.5670 3 3 3 8 58.94 38.35 1.5670 5 1 1 24 64.77 65.15 1.4394 4 4 0 12 68.13 2.78 1.3763 5 3 1 48 73.57 2.56 1.2874 6 2 0 24 76.76 8.59 1.2417 5 3 3 24 81.98 5.81 1.1753 4 4 4 8 85.09 2.13 1.1402 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.