Infrared multiphoton spectra from metal dication complexes in the gas phase

Guohua Wu; Jingang Guan; Georgina D C Aitken; Hazel Cox; Anthony J Stace

doi:10.1063/1.2194547

Infrared multiphoton spectra from metal dication complexes in the gas phase

J Chem Phys. 2006 May 28;124(20):201103. doi: 10.1063/1.2194547.

Authors

Guohua Wu¹, Jingang Guan, Georgina D C Aitken, Hazel Cox, Anthony J Stace

Affiliation

¹ Department of Physical Chemistry, School of Chemistry, The University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom.

PMID: 16774306
DOI: 10.1063/1.2194547

Abstract

Infrared multiphoton spectra have been recorded for the first time from metal dication complexes held in an ion trap. The photofragmentation of [M(pyridine)4]2+ complexes has been observed in the range 920-1090 cm(-1) and for M=Cu2+, Mg2+ and Zn2+. The narrow absorption features are identified as vibrational modes of the pyridine molecule and comparisons with calculations suggest that the Mg2+ and Zn2+ ion complexes have D2d (compressed tetrahedron) structures, and that the Cu2+ complex is probably square-planar (D4h).