Transition Metal Heteroaldehyde and Heteroketone Complexes HelmutFischer, ...GerhardRoth, inAdvances in Organometallic Chemistry, 1999 IIBONDING IN HETEROALDEHYDES AND HETEROKETONES Thehighest occupied molecular orbital(HOMO) in formaldehyde and heteroaldehydes, H2C=E, is the lone pair at E (nE), an...