Fourier transform Raman spectroscopic study of lithium perchlorate solutions in acrylonitrile | Zendy

Alia J. M. | Zendy; Edwards H. G. M. | Zendy; Moore J. | Zendy

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Fourier transform Raman spectroscopic study of lithium perchlorate solutions in acrylonitrile

Author(s) -

Alia J. M.,

Edwards H. G. M.,

Moore J.

Publication year - 1995

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250260819

Subject(s) - lithium perchlorate , raman spectroscopy , solvation , chemistry , acrylonitrile , perchlorate , ion , lithium (medication) , analytical chemistry (journal) , fourier transform , inorganic chemistry , electrolyte , organic chemistry , optics , mathematics , physics , medicine , mathematical analysis , electrode , copolymer , endocrinology , polymer

Lithium perchlorate solutions in acrylonitrile (propenenitrile), in a range of concentration between 1 and 6 molal, were studied by using Fourier transform Raman spectroscopy. The new band in the v (CN) region proceeding from the bound species Li + … (acrylonitrile) n and the modifications in the C—C stretching band were studied in detail by means of deconvolution and band‐fitting procedures. An average solvation number of ca . 2.3 was obtained without any correction for the ion pairing. The data obtained in the analysis of the perchlorate anion v 1 (symmetric stretch) band allow us to quantify the concentration of the different species (free perchlorate, solvent‐separated ion pairs and contact ion pairs) present, and to obtain a more realistic solvation number for the lithium ion in acrylonitrile solutions. This solvation number was estimated at 3.0 ± 0.1.

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