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Issue 18, 1995
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Molecular complexes of nitric acid with N2, CO and NO studied by matrix isolation IR spectroscopy

Abstract

The interaction of nitric acid with dinitrogen, carbon monoxide and nitric oxide has been investigated by IR spectroscopy in low-temperature argon matrices. The spectra show that under these conditions N2 interacts strongly and specifically with HNO3, forming several distinct 1:1 complexes. The probable structures of these complexes are discussed. CO behaves in a similar manner to N2, forming complexes of the type O[triple bond, length as m-dash]C⋯H—ONO2; weak bands due to a C[triple bond, length as m-dash]O⋯H—ONO2 complex were generated by photolysis. For NO, complexes of HNO3 were observed with both monomeric and dimeric NO. The strength of interaction with HNO3 was found to increase in the order N2 < NO < CO.

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Article type: Paper
DOI: 10.1039/FT9959103111
J. Chem. Soc., Faraday Trans., 1995,91, 3111-3116

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    Molecular complexes of nitric acid with N2, CO and NO studied by matrix isolation IR spectroscopy

    A. J. Barnes, E. Lasson and C. J. Nielsen, J. Chem. Soc., Faraday Trans., 1995, 91, 3111
    DOI: 10.1039/FT9959103111

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