Before revision: According to X-ray crystallography, it binds Fe3+as a 1:1 complex by three nitrogen electron pairs and three negatively charged oxygen atoms ( in meridional positions) with a distorted octahedral structure.
After revision: each setAccording to X-ray crystallography, it binds Fe3+as a 1:1 complex by three nitrogen electron pairs and three negatively charged oxygen atoms ( in meridional positions) with a distorted octahedral structure.