Cu3PSe4 Garin J, Parthe E Acta Crystallographica B28 (1972) 3672-3674 The crystal structure of Cu3PSe4 and other ternary normal tetrahedral structure compounds with composition 1_356_4 Locality: synthetic _database_code_amcsd 0009469 7.697 6.661 6.381 90 90 90 Pmn2_1 atom x y z Biso Cu1 0 .167 .5000 1.38 Cu2 .2490 .331 .0000 1.32 P 0 .834 0 2.58 Se1 0 .832 .3740 1.56 Se2 0 .167 .8740 1.46 Se3 .2490 .332 .3760 1.46