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Heat capacities of ionic liquids based on tetrahydrothiophenium cation and NTf<inf>2</inf> anion

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dc.contributor.author Zaitsau D.H.
dc.contributor.author Schmitz A.
dc.contributor.author Janiak C.
dc.contributor.author Verevkin S.P.
dc.date.accessioned 2021-02-25T20:33:17Z
dc.date.available 2021-02-25T20:33:17Z
dc.date.issued 2020
dc.identifier.issn 0040-6031
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/161701
dc.description.abstract © 2020 Elsevier B.V. The isobaric heat capacities of seven ionic liquids (ILs) based on the S-alkyl-tetrahydrothiophenium cation [CnTHT] with alkyl chain lengths of Cn = 4,5,6,7,8,9,10 and the bis[(trifluoromethyl)sulfonyl]imide, [NTf2] anion were measured in a differential scanning calorimeter in the temperature range 310−376 K. Measurements have been performed for the first time. Experimental results were extrapolated to the reference temperature of 298 K. A linear trend of the Cp,mo(liq, 298 K) -values for [CnTHT][NTf2] with the growing alkyl chain length was observed and compared with trends available for the other ILs with 5-membered (imidazolium and pyrrolidinium) and 6-membered (pyridinium) ring cations as [NTf2] salts. The new Cp,mo(liq, 298 K) -values for for [CnTHT][NTf2] were used for mutual validation of experimental and theoretical results by a group-additivity method available in the literature. The agreement observed between experimental and additive calculations, together with the reasonable chain-length dependence demonstrated for the [CnTHT][NTf2] series was considered as evidence of internal consistency of the heat capacities measured in this work.
dc.relation.ispartofseries Thermochimica Acta
dc.subject Chain length dependence
dc.subject Differential scanning calorimetry
dc.subject Heat capacity
dc.subject Ionic liquid
dc.title Heat capacities of ionic liquids based on tetrahydrothiophenium cation and NTf<inf>2</inf> anion
dc.type Article
dc.relation.ispartofseries-volume 686
dc.collection Публикации сотрудников КФУ
dc.source.id SCOPUS00406031-2020-686-SID85079846686


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

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