title: Infrared spectra of the ethynyl metal hydrides produced in reactions of laser-ablated Mn and Re atoms with acetylene.
abstract: The ethynyl metal hydride molecules (HM-C≡CH) are identified in the matrix infrared spectra from reactions of laser-ablated Mn and Re atoms with acetylene using D and (13)C isotopic substitution and density functional computed frequencies. The assignment of strong M-H as well as C≡C bond stretching product absorptions suggests oxidative C-H insertion during reagent codeposition and subsequent photolysis. The unique linear structure calculated for HMn-C≡CH is parallel to C(3v) structures found recently for Mn complexes including CH(3)-MnF.
authors.affiliation: Department of Chemistry, University of Incheon, 12-1 Songdo-dong, Yonsu-ku, Incheon, 406-772, South Korea.
authors.forename: Han-Gook
authors.initials: HG
authors.lastname: Cho
authors.forename: Lester
authors.initials: L
authors.lastname: Andrews