Helium Schuch A F, Mills R L Physical Review Letters 8 (1962) 469-470 Structure of the gamma form of solid He4 Locality: synthetic Sample: at T = 1.73 K & P = .003 GPa Note: structure known as gamma phase _database_code_amcsd 0015273 CELL PARAMETERS: 4.1100 4.1100 4.1100 90.000 90.000 90.000 SPACE GROUP: Im3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 69.427 Density (g/cm3): 0.191 MAX. ABS. INTENSITY / VOLUME**2: 0.5969357500 RIR: 1.015 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 30.77 100.00 2.9062 1 1 0 12 44.07 14.14 2.0550 2 0 0 6 54.70 22.65 1.6779 2 1 1 24 64.08 5.40 1.4531 2 2 0 12 72.76 5.82 1.2997 3 1 0 24 81.05 1.16 1.1865 2 2 2 8 89.15 4.55 1.0984 3 2 1 48 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.