Gypsum Schofield P F, Knight K S, Stretton I C American Mineralogist 81 (1996) 847-851 Thermal expansion of gypsum investigated by neutron powder diffraction T = 4.2 K _database_code_amcsd 0001807 CELL PARAMETERS: 5.6740 15.1049 6.4909 90.000 118.513 90.000 SPACE GROUP: I2/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 488.829 Density (g/cm3): 2.339 MAX. ABS. INTENSITY / VOLUME**2: 12.04710374 RIR: 1.677 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.72 88.21 7.5525 0 2 0 2 20.82 100.00 4.2669 -1 2 1 4 23.56 15.37 3.7762 0 4 0 2 23.57 1.90 3.7746 0 3 1 4 28.28 5.23 3.1556 -1 1 2 4 29.29 73.30 3.0497 -1 4 1 4 31.25 52.99 2.8621 1 2 1 4 31.37 2.72 2.8518 0 0 2 2 32.13 9.88 2.7854 -2 1 1 4 32.97 1.25 2.7168 -1 3 2 4 33.59 36.27 2.6679 0 2 2 4 34.69 2.29 2.5856 -2 0 2 2 34.72 2.49 2.5837 1 5 0 4 36.03 12.46 2.4929 2 0 0 2 36.74 7.16 2.4462 -2 2 2 4 37.59 4.35 2.3927 1 4 1 4 39.60 1.18 2.2758 0 4 2 4 40.92 12.45 2.2053 -1 5 2 4 42.37 1.22 2.1334 -2 4 2 4 43.50 17.65 2.0804 2 4 0 4 43.76 4.95 2.0686 -1 2 3 4 43.80 8.56 2.0669 -2 5 1 4 43.86 5.99 2.0641 1 1 2 4 44.43 5.50 2.0391 -2 1 3 4 45.82 1.97 1.9803 1 7 0 4 46.59 3.49 1.9493 2 1 1 4 48.22 17.29 1.8873 0 6 2 4 48.72 13.69 1.8689 -1 4 3 4 48.87 3.38 1.8635 -3 1 2 4 50.61 15.27 1.8037 -2 6 2 4 50.80 5.69 1.7972 -3 2 1 4 51.37 1.11 1.7786 0 3 3 4 51.53 2.87 1.7736 -1 8 1 4 51.60 10.60 1.7714 2 6 0 4 53.91 1.80 1.7008 -2 5 3 4 54.61 2.83 1.6805 -3 2 3 4 55.29 7.09 1.6616 -3 4 1 4 56.25 3.96 1.6353 -1 6 3 4 57.09 6.66 1.6134 -2 0 4 2 57.16 2.35 1.6115 1 8 1 4 57.22 2.07 1.6101 0 9 1 4 58.48 1.29 1.5782 3 3 0 4 58.50 1.93 1.5778 -2 2 4 4 58.64 2.31 1.5743 0 8 2 4 58.90 1.14 1.5681 -3 4 3 4 60.74 2.93 1.5248 -2 8 2 4 61.29 1.80 1.5123 -1 3 4 4 61.62 1.43 1.5051 2 8 0 4 62.70 1.15 1.4819 -3 1 4 4 65.15 4.75 1.4319 1 4 3 4 65.46 2.44 1.4259 0 0 4 2 65.92 3.37 1.4170 -4 0 2 2 66.89 2.95 1.3988 3 2 1 4 67.68 1.15 1.3843 -4 1 3 4 69.16 1.02 1.3584 -2 6 4 4 69.22 6.07 1.3573 1 10 1 4 70.61 1.52 1.3340 0 4 4 4 70.73 1.93 1.3320 3 4 1 4 71.23 1.31 1.3239 1 11 0 4 71.37 2.85 1.3215 -3 8 1 4 71.61 3.19 1.3177 2 6 2 4 74.54 2.13 1.2730 -3 8 3 4 75.53 1.07 1.2587 0 12 0 2 76.41 1.70 1.2464 4 0 0 2 76.47 1.63 1.2456 -3 2 5 4 76.83 1.81 1.2407 0 6 4 4 77.17 1.93 1.2361 -1 10 3 4 77.26 1.06 1.2348 -4 6 2 4 77.44 3.76 1.2324 -1 2 5 4 77.64 2.33 1.2298 4 2 0 4 77.88 1.54 1.2266 -2 8 4 4 80.13 2.29 1.1977 -3 4 5 4 80.20 3.51 1.1968 1 8 3 4 80.24 2.73 1.1964 2 8 2 4 81.09 1.26 1.1860 -1 4 5 4 82.12 1.22 1.1737 3 3 2 4 84.05 1.31 1.1516 0 12 2 4 84.19 2.98 1.1500 -4 6 4 4 85.30 1.14 1.1379 0 8 4 4 85.47 5.93 1.1360 -3 10 3 4 85.87 1.41 1.1318 -2 12 2 4 87.28 1.65 1.1170 4 6 0 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.