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A study of the Infra-red spectra of some reactive species Ogilvie, John Franklin

Abstract

Although there have been recorded many spectra of dispersions of reactive and unreactive molecules in inert matrices, there has been no real attempt to explain quantitatively the nature of the forces and interactions of these matrices that act on the molecular vibrations of the trapped species. In the present study the infra-red spectra of formaldehyde and water in solid argon and nitrogen matrices and of solid formaldehyde are used as a basis for a discussion and analysis of the conditions that prevail in such matrices. Isotope effects, molecular association, inter-molecular coupling, rotation, the effect of trapping in different lattice positions, and matrix-gas frequency shifts are considered in the Interpretation of the observed spectra.

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