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Spectres de vibration et liaison hydrogène dans le furanne 2,5-dicarboxylate acide de potassium

Authors
Journal
Spectrochimica Acta Part A Molecular Spectroscopy
0584-8539
Publisher
Elsevier
Publication Date
Volume
38
Issue
4
Identifiers
DOI: 10.1016/0584-8539(82)80023-8

Abstract

Abstract The symmetry of the H-bond of crystals of potassium hydrogen (and deuterium) furan 2,5-dicarboxylate (Fur 2,5-HK and Fur 2,5-DK) was studied by i.r. and Raman spectroscopy. The isotopic ratio (ν as OHO/ν as ODO = 1.40) and selection rules in terms of factor group C 2 h indicate that the H-bond is truly symmetric; the proton is on C i site and its potential function has a symmetrical single minimum. An assignment of fundamental vibrations is proposed.

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