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A chloride capturing system: Via proton-induced structure transformation between opened- and closed-forms of dodecavanadates
http://hdl.handle.net/2297/46061
http://hdl.handle.net/2297/4606198a811de-47a1-4851-b108-b6f77b8dfc4f
名前 / ファイル | ライセンス | アクション |
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SC-PR-HAYASHI-Y-7563.pdf (746.0 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | A chloride capturing system: Via proton-induced structure transformation between opened- and closed-forms of dodecavanadates | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Inoue, Yoshitaka
× Inoue, Yoshitaka× Kikukawa, Yuji× Kuwajima, Sho× Hayashi, Yoshihito |
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書誌情報 |
Dalton Transactions 巻 45, 号 18, p. 7563-7569, 発行日 2016-04-06 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1477-9226 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11810256 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1039/c6dt00963h | |||||
出版者 | ||||||
出版者 | Royal Society of Chemistry | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Chloride-incorporated dodecavanadates show two distinct structures of the monoprotonated-form [HV12O32(Cl)]4- (closed-V12) with a spherical closed-structure and the opened-form [V12O32(Cl)]5- (opened-V12). The reaction of closed-V12 with a stoichiometric amount of ethylenediamine drives the structure transformation reaction to opened-V12, quantitatively. From time dependent observations of 51V NMR, a tube-type intermediate [V12O32(Cl)]5- (tube-V12) was observed in the transformation process. Isolation of the intermediate was achieved by the deprotonation reaction of closed-V12 with diethylamine, and the structure transformation was confirmed by using the isolated intermediate. The reverse transformation from opened-V12 to closed-V12 was also achieved by addition of trifluoroacetic acid. The geometrical difference between closed-V12 and opened-V12 is reflected in the reactivity difference to the external reagents, and this was demonstrated by examining the chloride removal reaction by using a silver cation. The incorporated chloride was preserved in the closed-V12 cage even in the presence of a silver cation. In contrast, the chloride in opened-V12 was removed as AgCl by the silver cation. In addition, by the reaction of chloride-free opened-V12 with a quantitative amount of {Et4N}Cl retrieved opened-V12, showing the capability of opened-V12 to recapture a guest chloride in the cavity. This transformation between two isomeric dodecavanadate structures is regarded as the movement of a molecular mitt to catch a ball and secure it. © 2016 The Royal Society of Chemistry. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Embargo Period 12 months | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |