Al23 Na O35 Bragg W, Gottfried C, West J Zeitschrift fur Kristallographie 77 (1931) 197-214 The Structure of beta-Alumina _cod_database_code 1010104 _database_code_amcsd 0017037 CELL PARAMETERS: 5.5600 5.5600 22.5500 90.000 90.000 120.000 SPACE GROUP: P6_3/mmc X-RAY WAVELENGTH: 1.541838 Cell Volume: 603.708 Density (g/cm3): 3.310 MAX. ABS. INTENSITY / VOLUME**2: 17.83609433 RIR: 1.755 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 7.84 100.00 11.2750 0 0 2 2 15.72 49.31 5.6375 0 0 4 2 18.43 3.75 4.8151 1 0 0 6 18.85 4.43 4.7089 1 0 1 12 20.05 3.08 4.4282 1 0 2 12 21.92 3.33 4.0545 1 0 3 12 24.31 2.81 3.6614 1 0 4 12 27.09 4.94 3.2916 1 0 5 12 30.16 8.40 2.9627 1 0 6 12 31.74 1.51 2.8187 0 0 8 2 32.20 17.63 2.7800 1 1 0 6 33.19 2.19 2.6992 1 1 2 12 33.47 13.24 2.6775 1 0 7 12 36.02 22.82 2.4933 1 1 4 12 36.95 3.78 2.4326 1 0 8 12 37.35 3.31 2.4076 2 0 0 6 37.57 4.48 2.3939 2 0 1 12 38.23 9.65 2.3545 2 0 2 12 39.30 3.79 2.2928 2 0 3 12 39.98 1.42 2.2550 0 0 10 2 40.35 16.11 2.2350 1 1 6 12 40.59 3.42 2.2226 1 0 9 12 40.75 3.47 2.2141 2 0 4 12 42.57 9.46 2.1239 2 0 5 12 44.70 9.12 2.0273 2 0 6 12 47.13 22.03 1.9285 2 0 7 12 49.81 5.83 1.8307 2 0 8 12 54.36 1.23 1.6877 2 1 5 24 55.86 5.55 1.6458 2 0 10 12 56.15 2.68 1.6380 2 1 6 24 57.19 2.46 1.6107 0 0 14 2 57.41 2.69 1.6050 3 0 0 6 58.22 4.77 1.5846 2 1 7 24 59.20 11.91 1.5608 2 0 11 12 59.36 3.05 1.5569 1 1 12 12 59.92 4.17 1.5437 3 0 4 12 60.56 1.67 1.5289 2 1 8 24 62.97 4.27 1.4761 3 0 6 12 63.14 1.66 1.4725 2 1 9 24 66.43 9.41 1.4074 2 0 13 12 67.37 28.49 1.3900 2 2 0 6 67.95 1.28 1.3796 2 2 2 12 69.67 3.08 1.3496 2 2 4 12 70.32 11.05 1.3387 2 0 14 12 75.56 1.01 1.2584 3 1 6 24 77.35 1.87 1.2337 3 1 7 24 78.35 1.12 1.2205 3 0 12 12 86.26 2.42 1.1276 4 0 7 12 87.85 2.00 1.1113 2 0 18 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.