Gypsum Knight K S, Stretton I C, Schofield P F Physics and Chemistry of Minerals 26 (1999) 477-483 Temperature evolution between 50 K and 320 K of the thermal expansion tensor of gypsum derived from neutron powder diffraction data Sample: T = 320 K _database_code_amcsd 0008228 CELL PARAMETERS: 5.6769 15.2074 6.5277 90.000 118.494 90.000 SPACE GROUP: I2/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 495.279 Density (g/cm3): 2.309 MAX. ABS. INTENSITY / VOLUME**2: 12.14105968 RIR: 1.712 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.64 74.22 7.6037 0 2 0 2 18.72 1.35 4.7406 1 1 0 4 20.74 100.00 4.2828 -1 2 1 4 23.40 9.91 3.8019 0 4 0 2 23.42 2.71 3.7987 0 3 1 4 28.13 4.39 3.1724 -1 1 2 4 29.13 68.76 3.0656 -1 4 1 4 31.13 47.63 2.8726 1 2 1 4 31.18 2.72 2.8685 0 0 2 2 32.11 10.52 2.7872 -2 1 1 4 33.39 35.55 2.6839 0 2 2 4 34.54 4.22 2.5970 1 5 0 4 34.61 2.01 2.5916 -2 0 2 2 36.00 10.25 2.4946 2 0 0 2 36.31 1.17 2.4744 -2 3 1 4 36.63 6.86 2.4531 -2 2 2 4 37.41 3.13 2.4037 1 4 1 4 40.66 12.84 2.2187 -1 5 2 4 42.20 1.83 2.1414 -2 4 2 4 43.38 15.14 2.0857 2 4 0 4 43.49 3.79 2.0810 -1 2 3 4 43.64 6.69 2.0739 -2 5 1 4 43.66 5.79 2.0730 1 1 2 4 44.23 4.73 2.0478 -2 1 3 4 45.54 3.27 1.9918 1 7 0 4 46.49 3.07 1.9534 2 1 1 4 47.85 1.05 1.9009 0 8 0 2 47.89 13.28 1.8993 0 6 2 4 48.41 12.39 1.8804 -1 4 3 4 48.82 2.70 1.8653 -3 1 2 4 50.36 12.41 1.8120 -2 6 2 4 50.77 5.30 1.7983 -3 2 1 4 51.04 1.23 1.7892 0 3 3 4 51.18 1.83 1.7847 -1 8 1 4 51.39 9.49 1.7779 2 6 0 4 54.46 2.04 1.6848 -3 2 3 4 55.20 5.96 1.6641 -3 4 1 4 55.87 3.20 1.6456 -1 6 3 4 56.76 5.38 1.6219 -2 0 4 2 56.80 2.81 1.6209 1 8 1 4 56.80 1.86 1.6209 0 9 1 4 58.16 1.27 1.5862 -2 2 4 4 58.22 1.46 1.5846 0 8 2 4 58.40 1.24 1.5802 3 3 0 4 60.39 1.93 1.5328 -2 8 2 4 60.88 1.37 1.5217 -1 3 4 4 61.31 1.09 1.5120 2 8 0 4 62.44 1.01 1.4874 -3 1 4 4 64.78 3.89 1.4392 1 4 3 4 65.03 1.74 1.4342 0 0 4 2 65.89 2.74 1.4176 -4 0 2 2 66.75 1.91 1.4013 3 2 1 4 68.74 4.56 1.3655 1 10 1 4 70.55 1.46 1.3350 3 4 1 4 71.09 1.53 1.3261 -3 8 1 4 71.28 2.26 1.3231 2 6 2 4 74.16 2.13 1.2786 -3 8 3 4 76.05 1.20 1.2516 -3 2 5 4 76.28 1.46 1.2482 0 6 4 4 76.35 1.14 1.2473 4 0 0 2 76.58 1.29 1.2442 -1 10 3 4 76.88 2.84 1.2400 -1 2 5 4 77.34 1.38 1.2338 -2 8 4 4 77.56 1.82 1.2309 4 2 0 4 79.66 1.58 1.2036 -3 4 5 4 79.66 2.03 1.2035 1 8 3 4 79.80 2.21 1.2019 2 8 2 4 83.37 1.27 1.1592 0 12 2 4 83.85 1.93 1.1538 -4 6 4 4 84.96 4.01 1.1415 -3 10 3 4 85.24 1.13 1.1385 -2 12 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.