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 = 766 K on heating cycle, MgAl2O4 _database_code_amcsd 0002109 CELL PARAMETERS: 8.1159 8.1159 8.1159 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 534.577 Density (g/cm3): 3.535 MAX. ABS. INTENSITY / VOLUME**2: 18.37345742 RIR: 1.692 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.94 30.67 4.6857 1 1 1 8 31.17 32.92 2.8694 2 2 0 12 36.73 100.00 2.4470 3 1 1 24 38.42 1.20 2.3429 2 2 2 8 44.66 55.90 2.0290 4 0 0 6 55.47 9.20 1.6567 4 2 2 24 59.15 3.22 1.5619 3 3 3 8 59.15 41.06 1.5619 5 1 1 24 65.01 69.35 1.4347 4 4 0 12 68.38 2.86 1.3718 5 3 1 48 73.85 2.86 1.2832 6 2 0 24 77.05 9.53 1.2377 5 3 3 24 82.31 6.27 1.1714 4 4 4 8 85.43 2.39 1.1365 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.