Ga Nb4 Se8 Ben Yaich H, Jegaden J, Potel M, Sergent M, Rastogi A, Tournier R Journal of the Less-Common Metals 102 (1984) 9-22 Nouveaux chalcogenures et chalcohalogenures a clusters tetraedriques Nb4 ou Ta4 _cod_database_code 1008802 _database_code_amcsd 0016674 10.42 10.42 10.42 90 90 90 F-43m atom x y z Nb1 .3969 .3969 .3969 Se1 .6357 .6357 .6357 Se2 .1344 .1344 .1344 Ga1 0 0 0