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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

The Infrared Absorption Spectra of Molecular Clusters of Acetonitrile and DMF Diluted by Matrices at 80K

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1992, v.5 no.3, pp.285-294
Kim, Wan Hee
Jeong, Jong Hak
Jeong, Gi Ho
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Abstract

Structures of dimers of the acetonitrile and DMF diluted by carbon-tetrachloride and xenon matrices at 80K were studied with infrared absorption spectroscopy. Sample and matrix materials were codeposited onto a KBr cold trapping window. Infrared absorption spectra of pure samples and diluted samples were compared to explain the structures of dimers. The acetonitrile dimer showed the antiparallel shape and the DMF dimer showed the linear shape. After annealing, the infrared spectrum of the diluted sample showed the same shape with that of the pure sample.

keywords
dimer, infrared absprption, acetonitrile, DMF


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