title: Metal-metal interactions involving porphyrins: iron-iron spin exchange and iron-chromium electron transfer.
mesh_terms: D001665:Binding Sites; D002713:Chlorine; D002857:Chromium; D003461:Crystallography; D004578:Electron Spin Resonance Spectroscopy; D004579:Electron Transport; D004735:Energy Transfer; D007501:Iron; D008280:Magnetics; D008968:Molecular Conformation; D009942:Organometallic Compounds; D010084:Oxidation-Reduction; D011166:Porphyrins; D011868:Radioisotopes; D013053:Spectrophotometry; D013696:Temperature
chemical_list: D009942:Organometallic Compounds; D011166:Porphyrins; D011868:Radioisotopes; D002857:Chromium; D002713:Chlorine; D007501:Iron