Fe2C9O9 Powell H, Ewens R Journal of the Chemical Society 1939 (1939) 286-292 The crystal structure of iron enneacarbonyl _cod_database_code 1010480 _database_code_amcsd 0017396 6.45 6.45 15.98 90 90 120 P6_3/m atom x y z Fe 1/3 2/3 .173 C1 .32 .86 .25 O1 .315 .055 .25 C2 .35 .43 .11 O2 .36 .285 .07