Al6Ca9O18 Mondal P, Jeffery J Acta Crystallographica B31 (1975) 689-697 The crystal structure of tricalcium aluminate, Ca3Al2O6 _cod_database_code 1000039 _database_code_amcsd 0009531 CELL PARAMETERS: 15.2630 15.2630 15.2630 90.000 90.000 90.000 SPACE GROUP: Pa3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 3555.656 Density (g/cm3): 3.028 MAX. ABS. INTENSITY / VOLUME**2: 29.65907816 RIR: 3.189 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.97 2.90 6.8258 2 1 0 12 14.21 1.74 6.2311 2 1 1 24 16.43 1.03 5.3963 2 2 0 12 17.43 3.06 5.0877 2 2 1 24 19.29 1.94 4.6020 3 1 1 24 20.99 5.79 4.2332 3 0 2 12 21.79 6.41 4.0792 3 2 1 24 21.79 4.42 4.0792 3 1 2 24 26.77 2.91 3.3307 4 2 1 24 29.26 1.87 3.0526 4 3 0 12 31.57 3.99 2.8343 5 0 2 12 32.12 2.12 2.7866 5 2 1 24 32.12 5.07 2.7866 5 1 2 24 33.20 100.00 2.6981 4 4 0 12 34.77 1.29 2.5799 5 1 3 24 37.26 2.58 2.4133 6 0 2 12 37.26 1.44 2.4133 6 2 0 12 37.74 2.12 2.3837 5 0 4 12 39.61 1.13 2.2753 5 4 2 24 40.97 8.90 2.2030 4 4 4 8 43.15 1.10 2.0965 6 1 4 24 44.42 1.26 2.0396 6 4 2 24 44.42 2.38 2.0396 6 2 4 24 45.66 1.28 1.9871 7 3 1 24 45.66 1.21 1.9871 7 1 3 24 46.47 2.81 1.9542 6 3 4 24 47.67 31.17 1.9079 8 0 0 6 48.06 1.63 1.8931 8 1 0 12 48.84 1.18 1.8647 7 3 3 24 49.61 1.35 1.8374 7 4 2 24 50.00 1.25 1.8243 6 5 3 24 50.00 1.47 1.8243 6 3 5 24 55.86 1.35 1.6459 6 5 5 24 59.32 31.93 1.5578 8 4 4 24 69.70 10.61 1.3491 8 8 0 12 79.42 4.49 1.2066 12 0 4 12 79.42 5.12 1.2066 12 4 0 12 88.83 2.52 1.1015 8 8 8 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.