K N O Hendricks S, Pauling L Journal of the American Chemical Society 47 (1925) 2904-2920 The Crystal Structures of Sodium and Potassium Trinitrides and Potassium Cyanate and the Nature of the Trinitride Group _cod_database_code 1010090 _database_code_amcsd 0017024 6.07 6.07 7.03 90 90 90 I4/mcm atom x y z occ K1 0 0 .25 C1 0 .5 0 N1 .135 .635 0 .5 O1 .135 .635 0 .5