Rhodium complexes EDTA complex

Rhodium forms an EDTA complex isomorphous with the corresponding ones of Ru, Fe, Ga and Cr. In Rh(EDTAH)(H20) one carboxylate is proton-ated and thus the acid is pentadentate, the water molecule completing the octahedron (Figure 2.43). 

Figure 2.43 Ruthenium and rhodium EDTA complexes. Comparative bond lengths are given in...

Optical activity of cobalt(III), chromium(III) and rhodium III) complexes with aminopolycarboxy-late, edta-type and related ligands. D. J. Radanovic, Coord. Chem. Rev., 1984, 54, 159-261 (195). 

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