Selenium Akahama Y, Kobayashi M, Kawamura H Japanese Journal of Applied Physics 31 (1992) 1621-1624 Structural study on pressure-induced phase transition from beta-Po type to bcc in selenium at 140 GP Locality: synthetic Sample: at P = 142.5 GPa Note: structure known as beta-Po type, phase Se V _database_code_amcsd 0012749 CELL PARAMETERS: 3.8440 3.8440 2.6350 90.000 90.000 120.000 SPACE GROUP: R-3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 33.719 Density (g/cm3): 11.664 MAX. ABS. INTENSITY / VOLUME**2: 333.4271036 RIR: 9.308 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 43.82 100.00 2.0661 1 0 1 6 47.29 78.98 1.9220 1 1 0 6 66.44 26.39 1.4072 0 2 1 6 78.00 15.97 1.2250 0 1 2 6 85.53 24.80 1.1354 2 1 1 12 88.01 11.56 1.1097 3 0 0 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.