Al2O3 Ollivier B, Retoux R, Lacorre P, Massiot D, Ferey G Journal of Materials Chemistry 7 (1997) 1049-1056 Crystal structure of kappa-alumina: an X-ray powder diffraction, TEM and NMR study Note: pyroxene structure _cod_database_code 1000442 _database_code_amcsd 0013079 CELL PARAMETERS: 4.8437 8.3300 8.9547 90.000 90.000 90.000 SPACE GROUP: Pna2_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 361.304 Density (g/cm3): 3.748 MAX. ABS. INTENSITY / VOLUME**2: 9.394434228 RIR: 0.816 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.52 10.92 6.0991 0 1 1 2 19.83 5.35 4.4774 0 0 2 1 21.22 1.68 4.1873 1 1 0 4 23.45 1.08 3.7931 1 1 1 4 28.26 5.71 3.1580 1 2 0 4 29.20 13.92 3.0583 1 1 2 4 29.29 21.86 3.0495 0 2 2 2 30.00 4.95 2.9782 1 2 1 4 31.85 49.90 2.8099 0 1 3 2 33.80 2.71 2.6521 0 3 1 2 34.76 100.00 2.5807 1 2 2 4 36.98 11.12 2.4306 1 1 3 4 37.12 8.11 2.4218 2 0 0 2 37.33 4.44 2.4089 1 3 0 4 38.51 12.74 2.3379 2 0 1 2 38.71 20.05 2.3262 1 3 1 4 38.72 2.94 2.3256 2 1 0 4 40.29 2.45 2.2387 0 0 4 1 41.63 12.25 2.1693 1 2 3 4 42.43 21.73 2.1302 2 0 2 2 42.62 60.24 2.1214 1 3 2 4 43.45 4.01 2.0825 0 4 0 2 43.87 16.23 2.0638 2 1 2 4 47.53 3.93 1.9132 1 4 0 4 47.97 2.90 1.8965 2 2 2 4 48.19 6.95 1.8882 0 4 2 2 48.40 10.91 1.8807 2 0 3 2 48.57 16.54 1.8746 1 3 3 4 49.70 9.14 1.8345 2 1 3 4 49.94 1.89 1.8263 1 2 4 4 49.97 1.62 1.8251 2 3 0 4 51.98 4.25 1.7593 1 4 2 4 52.24 4.50 1.7509 0 1 5 2 53.46 3.73 1.7140 2 2 3 4 55.83 1.82 1.6466 1 1 5 4 55.93 13.14 1.6439 2 0 4 2 56.08 13.37 1.6399 1 3 4 4 56.16 2.71 1.6379 0 5 1 2 57.19 1.35 1.6107 1 4 3 4 58.45 1.93 1.5790 2 4 0 4 59.20 1.18 1.5608 3 1 1 4 61.62 1.09 1.5050 0 3 5 2 62.12 5.89 1.4942 3 1 2 4 62.20 2.63 1.4925 0 0 6 1 62.36 2.25 1.4891 2 4 2 4 62.57 2.02 1.4846 3 2 1 4 64.00 16.22 1.4547 0 5 3 2 64.74 19.71 1.4400 2 0 5 2 64.88 44.91 1.4373 1 3 5 4 65.40 1.62 1.4269 3 2 2 4 65.82 1.03 1.4189 2 1 5 4 67.05 39.08 1.3958 3 3 0 4 67.05 2.13 1.3958 2 4 3 4 67.46 16.88 1.3883 0 6 0 2 69.25 1.33 1.3567 2 5 1 4 69.69 3.02 1.3494 1 2 6 4 70.00 13.90 1.3441 3 2 3 4 70.57 1.71 1.3346 1 6 0 4 71.95 11.02 1.3123 2 5 2 4 74.71 2.16 1.2706 2 0 6 2 74.84 4.37 1.2687 1 3 6 4 75.14 2.09 1.2644 0 1 7 2 76.37 4.69 1.2471 2 5 3 4 78.12 3.74 1.2234 1 1 7 4 79.59 1.10 1.2045 2 6 0 4 79.95 1.69 1.2000 4 0 1 2 80.45 1.02 1.1937 2 6 1 4 81.11 1.64 1.1857 1 2 7 4 82.15 1.04 1.1733 3 4 3 4 82.52 2.07 1.1689 4 0 2 2 83.03 2.43 1.1631 2 6 2 4 83.51 3.84 1.1576 4 1 2 4 86.91 1.99 1.1209 2 1 7 4 87.06 1.97 1.1193 0 0 8 1 87.29 1.59 1.1170 2 6 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.