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 = 120 GPa Note: structure known as beta-Po type, phase Se V _database_code_amcsd 0012746 CELL PARAMETERS: 3.8290 3.8290 2.7910 90.000 90.000 120.000 SPACE GROUP: R-3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 35.437 Density (g/cm3): 11.098 MAX. ABS. INTENSITY / VOLUME**2: 335.4032058 RIR: 9.840 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 42.33 100.00 2.1353 1 0 1 6 47.49 70.17 1.9145 1 1 0 6 65.48 24.90 1.4255 0 2 1 6 73.65 17.10 1.2862 0 1 2 6 84.79 22.81 1.1433 2 1 1 12 88.45 10.29 1.1053 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.