AM_Hydrogen_13 Formula: H Name: Hydrogen Unit cell: 3.223 3.223 5.234 90.0 90.0 120.0 , V=47.09 Space group: P63/MMC (194)

Vindryevsky B A , Ishmaev S N , Sadikov I P , Chernyshev A A , Physics Letters , 76A (1980) p.355-358, Neutron diffraction studies of solid parahydrogen at pressures up to 5 kbar, Locality: synthetic, Sample: P = .5 GPa, T = 57.4 K