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 = .056 GPa, T = 15.3 K _database_code_amcsd 0015295 3.582 3.582 5.826 90 90 120 P6_3/mmc atom x y z H 1/3 2/3 .25