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Capture of CO 2 by a Cationic Nickel(I) Complex in the Gas Phase and Characterization of the Bound, Activated CO 2 Molecule by Cryogenic Ion Vibrational Predissociation Spectroscopy
Author(s) -
Menges Fabian S.,
Craig Stephanie M.,
Tötsch Niklas,
Bloomfield Aaron,
Ghosh Subrata,
Krüger HansJörg,
Johnson Mark A.
Publication year - 2016
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201507965
Subject(s) - molecule , nickel , cationic polymerization , chemistry , ligand (biochemistry) , characterization (materials science) , metal , ion , phase (matter) , inorganic chemistry , crystallography , materials science , nanotechnology , organic chemistry , biochemistry , receptor
We describe a systematic method for the preparation and spectroscopic characterization of a CO 2 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 CO 2 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 CO 2 for further studies using ion chemistry techniques.