Portlandite Busing W, Levy H Journal of Chemical Physics 26 (1957) 563-568 Neutron diffraction study of calcium hydroxide _cod_database_code 1000045 _database_code_amcsd 0012953 CELL PARAMETERS: 3.5862 3.5862 4.8801 90.000 90.000 120.000 SPACE GROUP: P-3m1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 54.354 Density (g/cm3): 2.263 MAX. ABS. INTENSITY / VOLUME**2: 23.93587174 RIR: 3.444 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.18 62.83 4.8801 0 0 1 2 28.74 16.80 3.1057 1 0 0 6 34.22 2.51 2.6201 1 0 1 6 34.22 97.49 2.6201 0 1 1 6 47.38 17.98 1.9187 1 0 2 6 47.38 23.40 1.9187 0 1 2 6 50.93 27.54 1.7931 1 1 0 6 54.52 14.21 1.6831 1 1 1 12 56.58 1.20 1.6267 0 0 3 2 59.53 1.89 1.5529 2 0 0 6 62.80 9.83 1.4798 2 0 1 6 64.69 1.09 1.4410 0 1 3 6 64.69 9.27 1.4410 1 0 3 6 72.10 4.46 1.3101 2 0 2 6 72.10 3.40 1.3101 0 2 2 6 78.38 1.40 1.2200 0 0 4 2 79.57 2.06 1.2048 1 1 3 12 84.98 1.99 1.1413 1 2 1 12 85.51 1.09 1.1356 1 0 4 6 86.68 3.03 1.1232 0 2 3 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.