H4 Mg2 Ni Soubeyroux J, Fruchart D, Mikou A, Pezat M, Darriet B Materials Research Bulletin 19 (1984) 1119-1128 Etude structurale du systeme Mg2Ni-H2 III- la variete monoclinique de Mg2 Ni H4 _cod_database_code 1008269 _database_code_amcsd 0016191 13.197 6.403 6.489 90 93.23 90 Ia atom x y z occ Ni1 .2512 .4674 .0789 Ni2 0 0 0 Mg1 .1340 .2551 .3364 Mg2 .1586 .7804 .3634 Mg3 .3527 .2332 .2959 Mg4 .3786 .7319 .4343 H1 .1197 .2803 .0985 .6667 H2 .0804 .7327 .0320 .6667 H3 .4479 .3063 .1337 .6667 H4 .4130 .7304 .1433 .6667 H5 .0051 .6994 .2466 .6667 H6 -.0060 .2761 .3151 .6667 H7 .2733 .2543 .4209 .6667 H8 .2936 .7875 .4022 .6667 H9 .1319 -.0284 .2659 .6667 H10 .1538 .5512 .4379 .6667 H11 .3813 .0180 .2297 .6667 H12 .3864 .4430 .4879 .6667