Controlled CO release using photochemical, thermal and electrochemical approaches from the amino carbene complex [(CO)5CrC(NC4H8)CH3]

Suzanne McMahon; Jonathan Rochford; Yvonne Halpin; Jennifer C. Manton; Emma C. Harvey; Gregory M. Greetham; Ian P. Clark; A. Denise Rooney; Conor Long; Mary T. Pryce

doi:10.1039/C4CP03758H

Controlled CO release using photochemical, thermal and electrochemical approaches from the amino carbene complex [(CO)₅CrC(NC₄H₈)CH₃]†

Suzanne McMahon,^a Jonathan Rochford,^b Yvonne Halpin,^a Jennifer C. Manton,^a Emma C. Harvey,^a Gregory M. Greetham,^c Ian P. Clark,^c A. Denise Rooney,^d Conor Long^a and Mary T. Pryce*^a

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* Corresponding authors

^a School of Chemical Sciences, Dublin City University, Dublin 9, Ireland
E-mail: mary.pryce@dcu.ie
Fax: +353 1 700 5503
Tel: +353 1 700 8005

^b Department of Chemistry, University of Massachusetts Boston, 100 Morrissey Boulevard, Boston, Massachusetts 02125, USA

^c Central Laser Facility, Science & Technology Facilities Council, Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, OX11 0QX, UK

^d Chemistry Department, National University of Ireland Maynooth, Co. Kildare, Ireland

Abstract

Multimodal photo, thermal and electrochemical approaches toward CO release from the amino carbene complex [(CO)₅CrC(NC₄H₈)CH₃] is reported. Picosecond time resolved infrared spectroscopy was used to probe the photo-induced early state dynamics leading to CO release, and DFT calculations confirmed that CO release occurs from a singlet excited state.

Physical Chemistry Chemical Physics

Controlled CO release using photochemical, thermal and electrochemical approaches from the amino carbene complex [(CO)₅CrC(NC₄H₈)CH₃]†

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Controlled CO release using photochemical, thermal and electrochemical approaches from the amino carbene complex [(CO)₅CrC(NC₄H₈)CH₃]

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Physical Chemistry Chemical Physics