AM_Co684Se8
Formula: Se8 Co6.84
Name: Co6.84Se8
Unit cell: 12.367 7.1402 8.079 90.0 139.935 90.0 , V=459.18
Space group: C12/M1 (12)

Garcia-Garcia F J , Larsson A K , Noren L , Withers R L , Solid State Sciences , 6 (2004) p.725-733, The crystal structures of Co3Se4 and Co7Se8