Co6.8Se8 Garcia-Garcia F J, Larsson A K, Noren L, Withers R L Solid State Sciences 6 (2004) 725-733 The crystal structures of Co3Se4 and Co7Se8 _database_code_amcsd 0015525 12.4039 7.1793 8.1756 90 139.903 90 C2/m atom x y z occ Uiso Se1 .7944 0 .256 .0063 Se2 .2778 0 .225 .016 Se3 .4513 .2489 .741 .0125 Co1 .5 0 0 .015 Co2 .250 .250 0 .9 .017 Co3 .758 0 .526 .015 Co4 .5 .228 .5 .018