Kazan Federal University Digital Repository

Solvent effect on H-bond cooperativity factors in ternary complexes of methanol, octan-1-ol, 2,2,2-trifluoroethanol with some bases

Show simple item record

dc.contributor.author Solomonov B.
dc.contributor.author Varfolomeev M.
dc.contributor.author Abaidullina D.
dc.date.accessioned 2018-09-18T20:22:09Z
dc.date.available 2018-09-18T20:22:09Z
dc.date.issued 2008
dc.identifier.issn 1386-1425
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/139156
dc.description.abstract Cooperative hydrogen bonds in ternary complexes (ROH)2⋯B (ROH-alcohols; B-bases) formed in pure bases (B) and solutions in n-hexane, carbon tetrachloride, benzene and 1,2-dichloroethane were studied by FTIR spectroscopy. Based on the observations, the authors were able to propose an original method of evaluating solvent effects on cooperativity factors in the complexes. Frequencies of cooperative hydrogen bonds OH⋯B (νb) were determined for ternary complexes of pyridine with aliphatic alcohols (methanol, octan-1-ol) and for 2,2,2-trifluoroethanol with three different bases (acetonitrile, diethyl ether, tetrahydrofuran). The solvent shifts of νb were found to correlate with an empirical thermochemical parameter of the solvent, SVW. The cooperativity factors were determined for the complexes (ROH)2⋯B in all studied media. It has been found that the cooperativity factors are almost independent of the solvent. In addition, a method was proposed of estimating the frequencies and cooperativity factors for ternary complexes (ROH)2⋯B in the gas phase. It has been found that in gas phase the cooperativity factors are practically the same as in condensed media. © 2007 Elsevier B.V. All rights reserved.
dc.relation.ispartofseries Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
dc.subject Cooperativity
dc.subject FTIR spectroscopy
dc.subject Gas phase
dc.subject Hydrogen bonding
dc.subject Solvent effect
dc.title Solvent effect on H-bond cooperativity factors in ternary complexes of methanol, octan-1-ol, 2,2,2-trifluoroethanol with some bases
dc.type Article
dc.relation.ispartofseries-issue 3
dc.relation.ispartofseries-volume 69
dc.collection Публикации сотрудников КФУ
dc.relation.startpage 985
dc.source.id SCOPUS13861425-2008-69-3-SID43049127809


Files in this item

This item appears in the following Collection(s)

  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

Show simple item record

Search DSpace


Advanced Search

Browse

My Account

Statistics