Ion-ion-solvent interactions in solution. Part 4. - Raman spectra of aqueous solutions of some nitrates with monovalent cations

Frost, Ray L. and James, David W. (1982) Ion-ion-solvent interactions in solution. Part 4. - Raman spectra of aqueous solutions of some nitrates with monovalent cations. Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, 78 11: 3235-3247. doi:10.1039/F19827803235


Author Frost, Ray L.
James, David W.
Title Ion-ion-solvent interactions in solution. Part 4. - Raman spectra of aqueous solutions of some nitrates with monovalent cations
Journal name Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases   Check publisher's open access policy
ISSN 0300-9599
Publication date 1982-01-01
Sub-type Article (original research)
DOI 10.1039/F19827803235
Open Access Status Not yet assessed
Volume 78
Issue 11
Start page 3235
End page 3247
Total pages 13
Language eng
Subject 1600 Chemistry
Abstract The profile of the band due to the symmetric stretching of the nitrate ion in the Raman spectra of solutions of NHNO, MeN·NO, LiNO, KNO and RbNO has been component analysed. For the cations NH and MeN only one component was present. The bandwidth indicates that the ammonium ion causes enhanced dephasing while the tetramethylammonium ion produces essentially no perturbation. Solutions of LiNO gave evidence of four concentration-dependent species identified as aquated ions, solvent-separated ion pairs, contact ion pairs and ion aggregates. Solutions of KNO and RbNO gave evidence of three species identified as aquated ions, ion pairs and ion aggregates. It was not possible to distinguish between contact ion pairs and solvent-separated ion pairs. Association quotients calculated for LiNO solutions were K(1 mol dm) = 1.34 dm mol and K (6 mol dm) = 1.5, for KNO solutions K(1 mol dm) = 2.0 dm mol and for RbNO solutions K(1 mol dm) = 1.0 dm mol.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
 
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