D0.51 Nb Se2 Kulikov L, Semjonov-Kobzar A, Antonova M, Chechovsky A, Akselrud L, Skolozdra R, Fruchart D, Soubeyroux J Journal of Alloys and Compounds 244 (1996) 11-15 X-ray and neutron diffraction studies of the formation and structure of hydrogen intercalated 2H - Nb Se2 phases _cod_database_code 1008740 _database_code_amcsd 0016621 3.4369 3.4369 12.958 90 90 120 P6_3/mmc atom x y z occ Nb1 1/3 2/3 .25 Se1 1/3 2/3 .6171 D1 0 0 .25 .51