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 = 1362 K on cooling cycle, Mg.99Al2O4 _database_code_amcsd 0002186 CELL PARAMETERS: 8.1670 8.1670 8.1670 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 544.744 Density (g/cm3): 3.469 MAX. ABS. INTENSITY / VOLUME**2: 17.38424836 RIR: 1.632 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.82 28.29 4.7152 1 1 1 8 30.97 32.42 2.8875 2 2 0 12 36.49 100.00 2.4625 3 1 1 24 38.17 1.19 2.3576 2 2 2 8 44.37 54.65 2.0418 4 0 0 6 55.09 8.63 1.6671 4 2 2 24 58.75 3.30 1.5717 3 3 3 8 58.75 36.50 1.5717 5 1 1 24 64.55 63.13 1.4437 4 4 0 12 67.90 2.53 1.3805 5 3 1 48 73.31 2.56 1.2913 6 2 0 24 76.48 8.22 1.2455 5 3 3 24 81.68 5.45 1.1788 4 4 4 8 84.77 1.84 1.1436 5 5 1 24 89.88 3.57 1.0914 6 4 2 48 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.