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 = 778 K on heating cycle, Mg.99Al2O4 _database_code_amcsd 0002166 CELL PARAMETERS: 8.1233 8.1233 8.1233 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 536.046 Density (g/cm3): 3.525 MAX. ABS. INTENSITY / VOLUME**2: 18.31367372 RIR: 1.692 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.92 30.56 4.6900 1 1 1 8 31.14 32.97 2.8720 2 2 0 12 36.69 100.00 2.4493 3 1 1 24 38.39 1.25 2.3450 2 2 2 8 44.62 56.06 2.0308 4 0 0 6 55.41 9.23 1.6582 4 2 2 24 59.09 41.13 1.5633 5 1 1 24 59.09 3.20 1.5633 3 3 3 8 64.94 69.64 1.4360 4 4 0 12 68.31 2.83 1.3731 5 3 1 48 73.77 2.88 1.2844 6 2 0 24 76.97 9.51 1.2388 5 3 3 24 82.22 6.29 1.1725 4 4 4 8 85.33 2.38 1.1375 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.