title: Characterization of a d iron system. Tetraphenylporphineiron (I) anion.
mesh_terms: D004578:Electron Spin Resonance Spectroscopy; D007501:Iron; D010084:Oxidation-Reduction; D010636:Phenols; D011166:Porphyrins
chemical_list: D010636:Phenols; D011166:Porphyrins; D007501:Iron