Issue 26, 2019

Structural isomers and low-lying electronic states of gas-phase M+(N2O)n (M = Co, Rh, Ir) ion–molecule complexes

Abstract

The structures of gas-phase group nine cation–nitrous oxide metal–ligand complexes, M+(N2O)n (M = Co, Rh, Ir; n = 2–7) have been determined by a combination of infrared photodissociation spectroscopy and density functional theory. The infrared spectra were recorded in the region of the N2O asymmetric (N[double bond, length as m-dash]N) stretch using the inert messenger technique and show spectroscopically distinct features for N- and O-bound isomers. The evolution of the spectra with increasing ligand number is qualitatively different for each of the metal ions studied here with only Co+(N2O)n complexes behaving similarly to the coinage metal complexes studied previously. The rich variety of electronic and isomeric structures identified make these species attractive targets for infrared-driven, isomer selective intra-complex chemistry.

Graphical abstract: Structural isomers and low-lying electronic states of gas-phase M+(N2O)n (M = Co, Rh, Ir) ion–molecule complexes

Supplementary files

Article information

Article type
Paper
Submitted
24 sep 2018
Accepted
22 okt 2018
First published
12 nov 2018
This article is Open Access
Creative Commons BY license

Phys. Chem. Chem. Phys., 2019,21, 13959-13967

Structural isomers and low-lying electronic states of gas-phase M+(N2O)n (M = Co, Rh, Ir) ion–molecule complexes

E. M. Cunningham, A. S. Gentleman, P. W. Beardsmore and S. R. Mackenzie, Phys. Chem. Chem. Phys., 2019, 21, 13959 DOI: 10.1039/C8CP05995K

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