Spectroscopic observation of critical guest concentration appearing in tert-butyl alcohol clathrate hydrate

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dc.contributor.authorPark, Young-Juneko
dc.contributor.authorCha, Min-Junko
dc.contributor.authorShin, Woong-Chulko
dc.contributor.authorLee, Huenko
dc.contributor.authorRiptneester, John A.ko
dc.date.accessioned2009-05-07T01:28:54Z-
dc.date.available2009-05-07T01:28:54Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2008-07-
dc.identifier.citationJOURNAL OF PHYSICAL CHEMISTRY B, v.112, no.29, pp.8443 - 8446-
dc.identifier.issn1520-6106-
dc.identifier.urihttp://hdl.handle.net/10203/8879-
dc.description.abstractThe tert-butyl alcohol (TBA) is the most hydrophobic of the simple alcohol and by itself does not form a clathrate hydrate with water. A genuine clathrate hydrate is synthesized by exposing a gaseous guest to solid TBA + H2O powders. Here, we examine three consecutive spectroscopic approaches of (1) the occurrence of a "free" OH stretching band (v(OH)) signal of TBA molecules representing an absence of hydrogen bonding between the host water and guest TBA, (2) a tuning effect for creating fresh cages via the rearrangement of the host-water lattice, and finally (3) the existence of a critical guest concentration (CGC) that appears only when the TBA concentration is dilute. The present findings from this simple three-step approach can be extended to other alcoholic guest species with the specific modifications to provide the new insights into inclusion chemistry.-
dc.description.sponsorshipThis work was supported by the Korea Science and Engineering Foundation (KOSEF) through the National Research Laboratory Program funded by the Ministry of Education, Science, and Technology (No. R0A-2005-000-10074-0(2007)) and partially supported by the Brain Korea 21 Project.en
dc.languageEnglish-
dc.language.isoen_USen
dc.publisherAMER CHEMICAL SOC-
dc.subjectLIGHT-SCATTERING-
dc.subjectBINARY-MIXTURES-
dc.subjectWATER MIXTURES-
dc.subjectBUTANOL-
dc.subjectTEMPERATURE-
dc.titleSpectroscopic observation of critical guest concentration appearing in tert-butyl alcohol clathrate hydrate-
dc.typeArticle-
dc.identifier.wosid000257724000005-
dc.identifier.scopusid2-s2.0-49149102627-
dc.type.rimsART-
dc.citation.volume112-
dc.citation.issue29-
dc.citation.beginningpage8443-
dc.citation.endingpage8446-
dc.citation.publicationnameJOURNAL OF PHYSICAL CHEMISTRY B-
dc.identifier.doi10.1021/jp804447r-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.contributor.localauthorLee, Huen-
dc.contributor.nonIdAuthorRiptneester, John A.-
dc.type.journalArticleArticle-
dc.subject.keywordPlusLIGHT-SCATTERING-
dc.subject.keywordPlusBINARY-MIXTURES-
dc.subject.keywordPlusWATER MIXTURES-
dc.subject.keywordPlusBUTANOL-
dc.subject.keywordPlusTEMPERATURE-
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