I4 Nb4 Se4
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 1008284
_database_code_amcsd 0016206
10.76 10.76 10.76 90 90 90 F-43m
atom     x     y     z
Nb1  .4019 .4019 .4019
Se1  .6225 .6225 .6225
I1   .1266 .1266 .1266