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 ISIS, Rutherford Appleton Laboratory, U.K. T = 298 K on heating cycle, MgAl2O4 _database_code_amcsd 0002144 CELL PARAMETERS: 8.0836 8.0836 8.0836 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 528.220 Density (g/cm3): 3.577 MAX. ABS. INTENSITY / VOLUME**2: 19.16507427 RIR: 1.744 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 19.02 31.50 4.6671 1 1 1 8 31.30 32.53 2.8580 2 2 0 12 36.88 100.00 2.4373 3 1 1 24 38.58 1.05 2.3335 2 2 2 8 44.85 57.45 2.0209 4 0 0 6 55.71 9.22 1.6501 4 2 2 24 59.41 43.65 1.5557 5 1 1 24 59.41 3.29 1.5557 3 3 3 8 65.30 73.83 1.4290 4 4 0 12 68.69 3.52 1.3664 5 3 1 48 74.19 2.90 1.2781 6 2 0 24 77.42 10.54 1.2327 5 3 3 24 78.48 1.09 1.2186 6 2 2 24 82.71 7.36 1.1668 4 4 4 8 85.85 3.05 1.1319 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.