Aragonite Antao S M, Hassan I The Canadian Mineralogist 48 (2010) 1225-1236 Temperature dependence of the structural parameters in the transformation of aragonite to calcite, as determined from in situ synchrotron powder X-ray-diffraction data Locality: Cuenca, Spain Note: T = 275 C Note: P = 101 kPa _database_code_amcsd 0017838 CELL PARAMETERS: 4.9672 8.0157 5.7938 90.000 90.000 90.000 SPACE GROUP: Pmcn X-RAY WAVELENGTH: 1.541838 Cell Volume: 230.684 Density (g/cm3): 2.881 MAX. ABS. INTENSITY / VOLUME**2: 10.12957819 RIR: 1.145 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.04 1.48 4.2222 1 1 0 4 22.18 1.91 4.0079 0 2 0 2 26.11 100.00 3.4123 1 1 1 8 27.05 51.50 3.2961 0 2 1 4 30.87 4.89 2.8969 0 0 2 2 32.60 7.43 2.7464 1 2 1 8 32.87 49.10 2.7244 0 1 2 4 35.89 18.31 2.5024 1 0 2 4 36.17 16.33 2.4836 2 0 0 2 37.05 10.05 2.4263 0 3 1 4 37.66 43.86 2.3887 1 1 2 8 38.25 26.85 2.3531 1 3 0 4 38.34 15.79 2.3478 0 2 2 4 41.12 11.32 2.1954 2 1 1 8 42.84 17.69 2.1111 2 2 0 4 45.25 2.96 2.0039 0 4 0 2 45.74 62.22 1.9835 2 2 1 8 48.04 26.72 1.8938 0 4 1 4 48.27 12.52 1.8855 2 0 2 4 49.67 2.04 1.8354 2 1 2 8 49.93 26.65 1.8265 1 3 2 8 51.65 2.04 1.7696 1 4 1 8 52.07 27.42 1.7563 1 1 3 8 52.60 11.48 1.7398 0 2 3 4 52.74 4.85 1.7356 2 3 1 8 53.72 2.99 1.7061 2 2 2 8 55.78 3.33 1.6480 0 4 2 4 56.78 1.76 1.6215 3 1 0 4 59.17 6.00 1.5615 3 1 1 8 59.25 1.74 1.5596 2 4 0 4 59.86 1.86 1.5451 0 5 1 4 61.58 4.69 1.5060 2 4 1 8 62.81 1.91 1.4795 3 2 1 8 63.00 6.56 1.4754 1 5 1 8 65.48 1.96 1.4254 0 1 4 4 66.03 3.42 1.4149 3 1 2 8 66.43 2.88 1.4074 3 3 0 4 68.31 3.20 1.3732 2 4 2 8 68.48 3.42 1.3701 1 1 4 8 68.93 1.72 1.3622 0 2 4 4 69.65 2.38 1.3499 1 5 2 8 70.49 1.78 1.3360 0 6 0 2 75.03 5.99 1.2659 3 3 2 8 76.07 3.88 1.2512 2 0 4 4 76.75 7.00 1.2418 3 1 3 8 76.75 4.02 1.2418 4 0 0 2 77.36 6.08 1.2335 1 3 4 8 78.89 5.46 1.2133 2 4 3 8 78.91 1.94 1.2132 0 6 2 4 80.17 5.48 1.1972 1 5 3 8 81.88 5.81 1.1765 2 6 0 4 83.12 2.85 1.1621 4 2 1 8 86.07 3.23 1.1296 3 5 1 8 87.24 1.98 1.1174 1 1 5 8 87.66 1.53 1.1132 0 2 5 4 89.22 1.09 1.0977 4 2 2 8 89.43 1.42 1.0957 1 7 1 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.