title: Capture of CO2 by a Cationic Nickel(I) Complex in the Gas Phase and Characterization of the Bound, Activated CO2 Molecule by Cryogenic Ion Vibrational Predissociation Spectroscopy.
abstract: We describe a systematic method for the preparation and spectroscopic characterization of a CO2 molecule coordinated to an activated bisphenoidal nickel(I) compound containing a tetraazamacrocyclic ligand in the gas phase. The resulting complex was then structurally characterized by using mass-selected vibrational predissociation spectroscopy. The results indicate that a highly distorted CO2 molecule is bound to the metal center in an η(2)-C,O coordination mode, thus establishing an efficient and rational method for the preparation of metal-activated CO2 for further studies using ion chemistry techniques.
authors.affiliation: Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06511, USA.
authors.forename: Fabian S
authors.initials: FS
authors.lastname: Menges
authors.affiliation: Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06511, USA.
authors.forename: Stephanie M
authors.initials: SM
authors.lastname: Craig
authors.affiliation: Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06511, USA.
authors.forename: Niklas
authors.initials: N
authors.lastname: Tötsch
authors.affiliation: Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06511, USA.
authors.forename: Aaron
authors.initials: A
authors.lastname: Bloomfield
authors.affiliation: Fachbereich Chemie, Technische Universität Kaiserslautern, Erwin-Schrödinger-Strasse, 67663, Kaiserslautern, Germany.
authors.forename: Subrata
authors.initials: S
authors.lastname: Ghosh
authors.affiliation: Fachbereich Chemie, Technische Universität Kaiserslautern, Erwin-Schrödinger-Strasse, 67663, Kaiserslautern, Germany.
authors.forename: Hans-Jörg
authors.initials: HJ
authors.lastname: Krüger
authors.affiliation: Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06511, USA. mark.johnson@yale.edu.
authors.forename: Mark A
authors.initials: MA
authors.lastname: Johnson
keywords: CO2 activation; infrared spectroscopy; mass spectrometry; nickel