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 = .28 GPa, T = 30 K _database_code_amcsd 0015297 3.313 3.313 5.383 90 90 120 P6_3/mmc atom x y z H 1/3 2/3 .25