Krutaite
Heyding R D, Murray R M
Canadian Journal of Chemistry 54 (1976) 841-848
Crystal structures of Cu1.8Se, Cu3Se2, alpha- and gamma-CuSe, CuSe2, and CuSe2II
Note: high-pressure polymorph, pyrite structure
_database_code_amcsd 0012162
6.116 6.116 6.116 90 90 90 Pa3
atom     x     y     z Biso
Cu       0     0     0  2.4
Se   .3891 .3891 .3891  1.6