Siegenite Huang C H, Knop O Canadian Journal of Chemistry 49 (1971) 598-602 Chalkogenides of the transition elements. VIII A X-ray and neutron diffraction study of the spinel CoNi2S4 Sample: examined with neutron diffraction _database_code_amcsd 0012159 9.424 9.424 9.424 90 90 90 *Fd3m .125 .125 .125 atom x y z occ Biso CoM .5 0 0 .5 1.24 NiM .5 0 0 .5 1.24 NiT .125 .125 .125 1.24 S .2577 .2577 .2577 1.24