Hydrogen Vindryevsky B A, Ishmaev S N, Sadikov I P, Chernyshev A A Physics Letters 76A (1980) 355-358 Neutron diffraction studies of solid parahydrogen at pressures up to 5 kbar Locality: synthetic Sample: P = .028 GPa, T = 14.9 K _database_code_amcsd 0015294 CELL PARAMETERS: 3.6700 3.6700 5.9710 90.000 90.000 120.000 SPACE GROUP: P6_3/mmc X-RAY WAVELENGTH: 1.541838 Cell Volume: 69.648 Density (g/cm3): 0.048 MAX. ABS. INTENSITY / VOLUME**2: 0.4951924399E-01 RIR: 0.336 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 28.07 28.14 3.1783 1 0 0 6 29.93 29.05 2.9855 0 0 2 2 31.90 100.00 2.8056 1 0 1 12 41.50 9.51 2.1760 1 0 2 12 49.68 6.95 1.8350 1 1 0 6 54.39 6.01 1.6869 1 0 3 12 59.09 4.72 1.5633 1 1 2 12 60.26 3.11 1.5357 2 0 1 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.