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Photochemistry of Tricarbonyl(1-6-η-cycloheptatriene)-molybdenium in Frozen Gas Matrices at 12 K. Photodissociation of Cycloheptatriene and Carbon Monoxide Ligands

DOI: 10.1039/DT9820002029

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 2029 - 2036 (1982)

Update date:2022-08-06

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Authors:

Hooker, Richard H.Hooker, Richard H.

Rest, Antony J.Rest, Antony J.

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Article abstract of DOI:10.1039/DT9820002029

Infrared spectroscopic studies reveal that u.v. irradiation of 6-C7H8)(CO)3> (1) in CH4 and Ar matrices at 12 K results in the reversible formation of 6-C7H8)(CO)2> via photodissociation of CO.Energy-factored force field fittings show that the species 6-C7H8)(CO)(3-n)(13CO)n)> (n = 1-3) and 6-C7H8)(CO)(2-m)(13CO)m> (m = 0-2) are produced on prolonged irradiation of (1) in a 13CO doped (5percent) CH4 matrix at 12 K.Photolysis of (1) in a N2 matrix at 12 K leads to photoproducts of the type 6-C7H8)(CO)(3-x)(N2)x> (x = 1-3).Stepwise photoelimination of cycloheptatriene in a CO matrix at 12 K results in the conversion of (1) to via the intermediate species 4-C7H8)(CO)4>.

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