OsSe2
Stassen W N, Heyding R D
Canadian Journal of Chemistry 46 (1968) 2159-2163
Crystal structures of RuSe2, OsSe2, PtAs2, and alpha-NiAs2
_database_code_amcsd 0012150
5.946 5.946 5.946 90 90 90 Pa3
atom    x    y    z
Os      0    0    0
Se   .382 .382 .382