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 = 320 K _database_code_amcsd 0001809 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: 11.91682404 RIR: 1.681 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.64 76.29 7.6037 0 2 0 2 18.72 1.34 4.7406 1 1 0 4 20.74 100.00 4.2828 -1 2 1 4 23.40 10.21 3.8019 0 4 0 2 23.42 2.41 3.7987 0 3 1 4 28.13 4.11 3.1724 -1 1 2 4 29.13 73.86 3.0656 -1 4 1 4 31.13 48.12 2.8726 1 2 1 4 31.18 2.90 2.8685 0 0 2 2 32.11 10.38 2.7872 -2 1 1 4 32.78 1.09 2.7323 -1 3 2 4 33.39 37.46 2.6839 0 2 2 4 34.54 3.97 2.5970 1 5 0 4 34.61 2.93 2.5916 -2 0 2 2 36.00 10.99 2.4946 2 0 0 2 36.31 1.26 2.4744 -2 3 1 4 36.63 6.46 2.4531 -2 2 2 4 37.41 4.13 2.4037 1 4 1 4 40.66 12.55 2.2187 -1 5 2 4 42.20 2.06 2.1414 -2 4 2 4 43.38 15.86 2.0857 2 4 0 4 43.49 5.22 2.0810 -1 2 3 4 43.64 6.86 2.0739 -2 5 1 4 43.66 5.72 2.0730 1 1 2 4 44.23 5.42 2.0478 -2 1 3 4 45.54 3.39 1.9918 1 7 0 4 46.49 3.00 1.9534 2 1 1 4 47.85 1.14 1.9009 0 8 0 2 47.89 14.58 1.8993 0 6 2 4 48.41 12.00 1.8804 -1 4 3 4 48.82 3.06 1.8653 -3 1 2 4 50.36 12.80 1.8120 -2 6 2 4 50.77 6.13 1.7983 -3 2 1 4 51.04 1.20 1.7892 0 3 3 4 51.18 2.13 1.7847 -1 8 1 4 51.39 10.44 1.7779 2 6 0 4 53.61 1.02 1.7094 -2 5 3 4 54.46 2.36 1.6848 -3 2 3 4 55.20 6.33 1.6641 -3 4 1 4 55.87 3.64 1.6456 -1 6 3 4 56.76 5.44 1.6219 -2 0 4 2 56.80 3.32 1.6209 1 8 1 4 56.80 1.86 1.6209 0 9 1 4 58.16 1.73 1.5862 -2 2 4 4 58.22 1.68 1.5846 0 8 2 4 58.40 1.18 1.5802 3 3 0 4 58.70 1.07 1.5729 -3 4 3 4 60.39 2.51 1.5328 -2 8 2 4 60.88 1.36 1.5217 -1 3 4 4 61.31 1.34 1.5120 2 8 0 4 64.78 4.16 1.4392 1 4 3 4 65.03 2.19 1.4342 0 0 4 2 65.89 3.12 1.4176 -4 0 2 2 66.75 2.31 1.4013 3 2 1 4 68.71 1.29 1.3661 -2 6 4 4 68.74 4.95 1.3655 1 10 1 4 70.13 1.12 1.3419 0 4 4 4 70.55 1.80 1.3350 3 4 1 4 71.09 1.81 1.3261 -3 8 1 4 71.28 2.96 1.3231 2 6 2 4 74.16 2.47 1.2786 -3 8 3 4 76.05 1.41 1.2516 -3 2 5 4 76.28 1.70 1.2482 0 6 4 4 76.35 1.45 1.2473 4 0 0 2 76.58 1.77 1.2442 -1 10 3 4 76.88 2.90 1.2400 -1 2 5 4 77.09 1.01 1.2372 -4 6 2 4 77.34 1.41 1.2338 -2 8 4 4 77.56 1.97 1.2309 4 2 0 4 79.66 2.00 1.2036 -3 4 5 4 79.66 2.30 1.2035 1 8 3 4 79.80 2.29 1.2019 2 8 2 4 80.49 1.23 1.1933 -1 4 5 4 83.37 1.62 1.1592 0 12 2 4 83.85 2.52 1.1538 -4 6 4 4 84.65 1.05 1.1449 0 8 4 4 84.96 4.44 1.1415 -3 10 3 4 85.24 1.48 1.1385 -2 12 2 4 87.08 1.20 1.1191 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.