Issue 8, 2003
From the journal:

Dalton Transactions

The photochemistry of (CO)4Mn(μ-η3:η6-C3H4C6H5)Cr(CO)3 in frozen gas matrices at ca. 12 K

Paul A. Hamley,a   Marina K. Kuimova,a   Alexander J. Blake,a   Catherine Hughes,a   Simon B. L. Lyons,a   Martyn Poliakoff,a   Anthony H. Wright†a  and  Michael W. George*a  

* Corresponding authors

a School of Chemistry, University of Nottingham, University Park, Nottingham, UK
E-mail: mike.george@nottingham.ac.uk

Abstract

We have investigated the photochemistry of [(CO)4Mn(μ-η3:η6-C3H4C6H5)Cr(CO)3] in low temperature matrices. In an argon matrix we see CO loss from only the Mn end of the molecule and [(CO)3Mn(μ-η3:η6-C3H4C6H5)Cr(CO)3] is the only observed photoproduct. However, in a N2 matrix photosubstitution is observed at both metal centres and we were able to identify [(CO)4Mn(μ-η3:η6-C3H4C6H5)Cr(CO)2(N2)], [(CO)3(N2)Mn(μ-η3:η6-C3H4C6H5)Cr(CO)3] and [(CO)2(N2)2Mn(μ-η3:η6-C3H4C6H5)Cr(CO)3]. In all these experiments, characterisation of photoproducts was aided by comparison with experiments using the mononuclear fragments [(η6-C6H5C2H5)Cr(CO)3] and [(η3-C3H4C6H5)Mn(CO)4] where we were able to characterise [(η3-C3H4C6H5)Mn(CO)2], [(η6-C6H5C2H5)Cr(CO)2(N2)], [(η3-C3H4C6H5)Mn(CO)3(N2)] and [(η3-C3H4C6H5)Mn(CO)2(N2)2].

Graphical abstract: The photochemistry of (CO)4Mn(μ-η3:η6-C3H4C6H5)Cr(CO)3 in frozen gas matrices at ca. 12 K

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Article information

DOI
https://doi.org/10.1039/B206697A
Article type
Paper
Submitted
10 Oct 2002
Accepted
29 Oct 2002
First published
07 Mar 2003

Dalton Trans., 2003, 1545-1550

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The photochemistry of (CO)4Mn(μ-η3:η6-C3H4C6H5)Cr(CO)3 in frozen gas matrices at ca. 12 K

P. A. Hamley, M. K. Kuimova, A. J. Blake, C. Hughes, S. B. L. Lyons, M. Poliakoff, A. H. Wright and M. W. George, Dalton Trans., 2003, 1545 DOI: 10.1039/B206697A

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