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 = 1182 K on heating cycle, Mg.99Al2O4 _database_code_amcsd 0002172 CELL PARAMETERS: 8.1524 8.1524 8.1524 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 541.820 Density (g/cm3): 3.488 MAX. ABS. INTENSITY / VOLUME**2: 17.68900037 RIR: 1.652 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.85 28.87 4.7068 1 1 1 8 31.03 32.70 2.8823 2 2 0 12 36.56 100.00 2.4580 3 1 1 24 38.24 1.26 2.3534 2 2 2 8 44.45 54.89 2.0381 4 0 0 6 55.20 8.94 1.6641 4 2 2 24 58.86 3.27 1.5689 3 3 3 8 58.86 37.95 1.5689 5 1 1 24 64.68 65.25 1.4412 4 4 0 12 68.03 2.50 1.3780 5 3 1 48 73.46 2.72 1.2890 6 2 0 24 76.65 8.62 1.2432 5 3 3 24 81.86 5.62 1.1767 4 4 4 8 84.96 1.93 1.1416 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.