H3 U Bartscher W, Boeuf A, Caciuffo R, Fournier J, Kuhs W, Rebizant J, Rustichelli F Solid State Communications 53 (1985) 423-426 Neutron diffraction study of Beta-U D3 and Beta-U H3 _cod_database_code 1008630 _database_code_amcsd 0016521 6.643 6.643 6.643 90 90 90 Pm3m atom x y z U1 0 0 0 U2 .5 .5 .5 U3 0 .5 .5 U4 .5 0 0 H1 0 .155 .303