AM_Penroseite Formula: Ni (P.24 Se1.76) Name: Penroseite Unit cell: 5.901 5.901 5.901 90.0 90.0 90.0 , V=205.48 Space group: PA3 (205)

Foecker A J , Jeitschko W , Journal of Solid State Chemistry , 162 (2001) p.69-78, The atomic order of the pnictogen and chalcogen atoms in equiatomic ternary