Siu, Chi-Kit How large is the [Fe(III)(protoporphyrin IX)]+ ion (hemin+) in the gas phase? [electronic resource] - The journal of physical chemistry. B Nov 2006 - 24207-11 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1520-6106 Standard No.: 10.1021/jp064873c doi Subjects--Topical Terms: AlgorithmsBinding SitesFerric Compounds--chemistryGasesHemin--chemistryHydrogen BondingIonsModels, MolecularOrganometallic Compounds--chemistryPhotosensitizing Agents--pharmacologyPropionates--chemistryProtoporphyrins--chemistry