Hydrogen
Mao H K, Jephcoat A P, Hemley R J, Finger L W, Zha C S, Hazen R M, Cox D E
Science 239 (1988) 1131-1133
Synchrotron X-ray diffraction measurements of single-crystal hydrogen to
26.5 Gigapascals
Locality: synthetic
Sample: at P = 10.1 GPa, T = 300 K
_database_code_amcsd 0015433
2.5058 2.5058 4.074 90 90 120 P6_3/mmc
atom   x   y   z
H    1/3 2/3 .25