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 = 235 C Note: P = 101 kPa _database_code_amcsd 0017836 CELL PARAMETERS: 4.9653 8.0088 5.7847 90.000 90.000 90.000 SPACE GROUP: Pmcn X-RAY WAVELENGTH: 1.541838 Cell Volume: 230.035 Density (g/cm3): 2.890 MAX. ABS. INTENSITY / VOLUME**2: 10.18910349 RIR: 1.148 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 21.05 1.44 4.2201 1 1 0 4 22.20 1.82 4.0044 0 2 0 2 26.14 100.00 3.4093 1 1 1 8 27.08 51.72 3.2925 0 2 1 4 30.92 5.09 2.8923 0 0 2 2 32.63 7.57 2.7440 1 2 1 8 32.92 50.02 2.7204 0 1 2 4 35.93 18.18 2.4992 1 0 2 4 36.18 16.46 2.4827 2 0 0 2 37.09 9.94 2.4239 0 3 1 4 37.70 43.76 2.3858 1 1 2 8 38.28 26.98 2.3513 1 3 0 4 38.39 15.84 2.3447 0 2 2 4 41.14 11.72 2.1941 2 1 1 8 42.86 17.89 2.1100 2 2 0 4 45.29 3.13 2.0022 0 4 0 2 45.77 63.76 1.9823 2 2 1 8 48.09 27.18 1.8921 0 4 1 4 48.31 12.85 1.8838 2 0 2 4 49.72 1.99 1.8338 2 1 2 8 49.99 27.28 1.8245 1 3 2 8 51.70 1.94 1.7681 1 4 1 8 52.15 28.08 1.7538 1 1 3 8 52.69 11.68 1.7373 0 2 3 4 52.78 5.12 1.7344 2 3 1 8 53.78 3.09 1.7046 2 2 2 8 55.85 3.32 1.6462 0 4 2 4 56.80 1.76 1.6208 3 1 0 4 59.20 6.18 1.5607 3 1 1 8 59.29 1.76 1.5585 2 4 0 4 59.92 1.88 1.5437 0 5 1 4 61.63 4.82 1.5049 2 4 1 8 62.84 1.95 1.4788 3 2 1 8 63.07 6.79 1.4741 1 5 1 8 65.60 1.95 1.4232 0 1 4 4 66.08 3.54 1.4140 3 1 2 8 66.47 3.02 1.4067 3 3 0 4 68.37 3.29 1.3720 2 4 2 8 68.60 3.60 1.3681 1 1 4 8 69.05 1.81 1.3602 0 2 4 4 69.73 2.46 1.3486 1 5 2 8 70.56 1.82 1.3348 0 6 0 2 75.09 6.28 1.2650 3 3 2 8 76.18 4.03 1.2496 2 0 4 4 76.79 4.24 1.2413 4 0 0 2 76.83 7.34 1.2407 3 1 3 8 77.49 6.37 1.2318 1 3 4 8 78.99 5.82 1.2121 2 4 3 8 79.00 2.07 1.2120 0 6 2 4 80.28 5.70 1.1958 1 5 3 8 81.95 6.15 1.1757 2 6 0 4 83.17 3.01 1.1615 4 2 1 8 86.14 3.41 1.1289 3 5 1 8 87.41 2.12 1.1158 1 1 5 8 87.83 1.63 1.1115 0 2 5 4 89.29 1.16 1.0971 4 2 2 8 89.53 1.51 1.0948 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.