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 = 150 K _database_code_amcsd 0001808 CELL PARAMETERS: 5.6742 15.1236 6.5018 90.000 118.495 90.000 SPACE GROUP: I2/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 490.357 Density (g/cm3): 2.332 MAX. ABS. INTENSITY / VOLUME**2: 12.42145596 RIR: 1.735 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 11.70 73.73 7.5618 0 2 0 2 18.74 1.36 4.7360 1 1 0 4 20.80 100.00 4.2702 -1 2 1 4 23.53 9.98 3.7809 0 4 0 2 23.53 2.35 3.7803 0 3 1 4 28.24 4.28 3.1604 -1 1 2 4 29.26 70.92 3.0527 -1 4 1 4 31.22 48.60 2.8652 1 2 1 4 31.31 2.80 2.8571 0 0 2 2 32.13 9.81 2.7856 -2 1 1 4 32.92 1.34 2.7207 -1 3 2 4 33.53 36.85 2.6727 0 2 2 4 34.67 2.26 2.5871 -2 0 2 2 34.69 3.50 2.5862 1 5 0 4 36.02 11.68 2.4934 2 0 0 2 36.37 1.36 2.4704 -2 3 1 4 36.72 7.43 2.4478 -2 2 2 4 37.55 3.84 2.3954 1 4 1 4 40.86 14.03 2.2084 -1 5 2 4 42.33 1.78 2.1351 -2 4 2 4 43.48 16.26 2.0815 2 4 0 4 43.68 4.64 2.0722 -1 2 3 4 43.77 6.31 2.0681 -2 5 1 4 43.80 5.88 2.0670 1 1 2 4 44.37 5.18 2.0415 -2 1 3 4 45.77 3.29 1.9825 1 7 0 4 46.56 3.31 1.9506 2 1 1 4 48.13 1.21 1.8905 0 8 0 2 48.14 14.91 1.8902 0 6 2 4 48.64 13.20 1.8720 -1 4 3 4 48.87 3.10 1.8638 -3 1 2 4 50.56 13.76 1.8054 -2 6 2 4 50.80 5.88 1.7973 -3 2 1 4 51.27 1.34 1.7818 0 3 3 4 51.46 2.07 1.7756 -1 8 1 4 51.56 10.26 1.7726 2 6 0 4 53.84 1.22 1.7028 -2 5 3 4 54.58 2.44 1.6815 -3 2 3 4 55.27 6.87 1.6620 -3 4 1 4 56.16 3.59 1.6378 -1 6 3 4 56.99 6.18 1.6159 -2 0 4 2 57.08 3.27 1.6135 1 8 1 4 57.14 2.19 1.6121 0 9 1 4 58.40 1.64 1.5802 -2 2 4 4 58.46 1.15 1.5787 3 3 0 4 58.55 1.74 1.5766 0 8 2 4 58.85 1.03 1.5692 -3 4 3 4 60.67 2.39 1.5264 -2 8 2 4 61.17 1.55 1.5151 -1 3 4 4 61.56 1.42 1.5064 2 8 0 4 62.63 1.06 1.4833 -3 1 4 4 65.04 4.56 1.4341 1 4 3 4 65.32 2.21 1.4285 0 0 4 2 65.92 3.13 1.4170 -4 0 2 2 66.84 2.59 1.3996 3 2 1 4 67.66 1.03 1.3846 -4 1 3 4 69.04 1.15 1.3603 -2 6 4 4 69.13 5.37 1.3589 1 10 1 4 70.46 1.22 1.3363 0 4 4 4 70.68 1.81 1.3328 3 4 1 4 71.13 1.30 1.3254 1 11 0 4 71.32 1.95 1.3223 -3 8 1 4 71.52 3.07 1.3191 2 6 2 4 74.47 2.64 1.2741 -3 8 3 4 76.35 1.61 1.2473 -3 2 5 4 76.39 1.58 1.2467 4 0 0 2 76.68 1.86 1.2428 0 6 4 4 77.04 1.76 1.2379 -1 10 3 4 77.23 1.12 1.2352 -4 6 2 4 77.27 3.40 1.2347 -1 2 5 4 77.62 2.22 1.2301 4 2 0 4 77.75 1.65 1.2283 -2 8 4 4 80.00 2.13 1.1993 -3 4 5 4 80.06 2.57 1.1986 1 8 3 4 80.13 2.61 1.1977 2 8 2 4 80.91 1.13 1.1881 -1 4 5 4 82.03 1.02 1.1747 3 3 2 4 83.91 1.69 1.1531 0 12 2 4 84.12 2.63 1.1508 -4 6 4 4 85.13 1.12 1.1397 0 8 4 4 85.37 5.10 1.1371 -3 10 3 4 85.75 1.57 1.1330 -2 12 2 4 87.24 1.36 1.1175 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.