Wurtzite-2H Ballentyne D W G, Roy B Physica 27 (1961) 337-341 Electroluminescence and crystal structure in the alloy system ZnS - CdS Locality: synthetic _database_code_amcsd 0014998 3.818 3.818 6.26 90 90 120 P6_3mc atom x y z Biso Zn 1/3 2/3 0 .9 S 1/3 2/3 .375 .7