Hg K2 N4 Dickinson R Journal of the American Chemical Society 44 (1922) 774-784 The Crystal Structure of Complex Cyanides of Potassium with Zinc, Cadmium and Mercury _cod_database_code 1010081 _database_code_amcsd 0017015 12.76 12.76 12.76 90 90 90 Fd3m atom x y z K1 .625 .625 .625 Hg1 0 0 0 C1 .34 .34 .34 N1 .4 .4 .4