Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates

Shimada, Jin; Yamada, Moe; Tani, Atsushi; Sugahara, Takeshi; Tsunashima, Katsuhiko; Tsuchida, Yusuke; Hirai, Takayuki

doi:https://doi.org/10.1021/acs.jced.1c00741

Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates

Shimada, Jin; Yamada, Moe; Tani, Atsushi et al.

Journal of Chemical and Engineering Data, 2022, 67(1), 67-73

アクセス数:221件（2025-04-04 09:30 集計）

固定URL: https://hdl.handle.net/11094/91292

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タイトル	Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates
著者	著者名 Shimada, Jin
	著者名 Yamada, Moe
	NRID 1000010335333 1000010335333 著者名 Tani, Atsushi
	NRID 1000020335384 1000020335384 ORCID 0000-0002-5236-5605 0000-0002-5236-5605 researchmap permalink read0191169 read0191169 Scopus Author ID 56212469300 56212469300 著者名 Sugahara, Takeshi
	NRID 1000090550070 1000090550070 著者名 Tsunashima, Katsuhiko
	NRID 1000000966517 1000000966517 著者名 Tsuchida, Yusuke
	NRID 1000080208800 1000080208800 researchmap permalink read0013780 read0013780 Scopus Author ID 7402768651 7402768651 著者名 Hirai, Takayuki
内容	Jin Shimada, Moe Yamada, Atsushi Tani et al. Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates. Journal of Chemical & Engineering Data, 67 (1), 67-73, January 13, © 2022 American Chemical Society. https://doi.org/10.1021/acs.jced.1c00741
抄録	Semiclathrate hydrate (SCH) is one of the phase change materials suitable for cold energy storage. Thermodynamic properties of SCHs, such as an equilibrium temperature and the dissociation enthalpy, depend on the size and shape of the guest substances. In the present study, to reveal the effects of steric conformations of the guest anions on the thermodynamic properties of SCHs, tetra-n-butylphosphonium dicarboxylate (TBP-DC) SCHs, where the anion was oxalate (TBP-Oxa), malonate (TBP-Mal), succinate (TBP-Suc), glutarate (TBP-Glu), maleate (TBP-Male), or fumarate (TBP-Fum), were investigated. TBP-Oxa, -Mal, -Suc, and -Fum SCHs had similar equilibrium temperatures, whereas the equilibrium temperatures of TBP-Glu and -Male SCHs were higher. This suggests that the size and conformation of glutarate and maleate anions are appropriate for the cage structures of SCHs. Moreover, we compared the equilibrium temperatures of TBP-Suc, -Male, and -Fum SCHs because TBP-Suc, -Male, and -Fum have similar anion structures. The equilibrium temperature of TBP-Suc SCH was similar to that of TBP-Fum SCH, whereas TBP-Male SCH showed a higher equilibrium temperature. This result implies that the succinate anion is accommodated in the trans conformation, similar to the fumarate anion, in the hydrate cages.
出版者	American Chemical Society
収録物名	Journal of Chemical and Engineering Data
巻(号)	67(1)
ページ	67-73
刊行年月	2022-01-13
言語	英語
ハンドルURL	https://hdl.handle.net/11094/91292
PISSN	00219568
eISSN	15205134
関連情報 (isVersionOf)	DOI (出版社版) https://doi.org/10.1021/acs.jced.1c00741
アクセス権	open access
権利情報	This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Chemical and Engineering Data, © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jced.1c00741.
出版タイプ	Accepted Manuscript
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Journal of Chemical and Engineering Data. 2022, 67(1), p. 67-73
DC.title	Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates
DC.creator	Shimada, Jin
	Yamada, Moe
	Tani, Atsushi
	Sugahara, Takeshi
	Tsunashima, Katsuhiko
	Tsuchida, Yusuke
	Hirai, Takayuki
DC.publisher	American Chemical Society
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2022-01-13
DC.identifier	https://doi.org/10.1021/acs.jced.1c00741
DC.description	Jin Shimada, Moe Yamada, Atsushi Tani et al. Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates. Journal of Chemical & Engineering Data, 67 (1), 67-73, January 13, © 2022 American Chemical Society. https://doi.org/10.1021/acs.jced.1c00741
DCTERMS.abstract	Semiclathrate hydrate (SCH) is one of the phase change materials suitable for cold energy storage. Thermodynamic properties of SCHs, such as an equilibrium temperature and the dissociation enthalpy, depend on the size and shape of the guest substances. In the present study, to reveal the effects of steric conformations of the guest anions on the thermodynamic properties of SCHs, tetra-n-butylphosphonium dicarboxylate (TBP-DC) SCHs, where the anion was oxalate (TBP-Oxa), malonate (TBP-Mal), succinate (TBP-Suc), glutarate (TBP-Glu), maleate (TBP-Male), or fumarate (TBP-Fum), were investigated. TBP-Oxa, -Mal, -Suc, and -Fum SCHs had similar equilibrium temperatures, whereas the equilibrium temperatures of TBP-Glu and -Male SCHs were higher. This suggests that the size and conformation of glutarate and maleate anions are appropriate for the cage structures of SCHs. Moreover, we compared the equilibrium temperatures of TBP-Suc, -Male, and -Fum SCHs because TBP-Suc, -Male, and -Fum have similar anion structures. The equilibrium temperature of TBP-Suc SCH was similar to that of TBP-Fum SCH, whereas TBP-Male SCH showed a higher equilibrium temperature. This result implies that the succinate anion is accommodated in the trans conformation, similar to the fumarate anion, in the hydrate cages.
DC.rights	This document is the Accepted Manuscript version of a Published Work that appeared in final form in Journal of Chemical and Engineering Data, © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://doi.org/10.1021/acs.jced.1c00741.
DC.format	91292
citation_title	Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates
citation_author	Shimada, Jin
	Yamada, Moe
	Tani, Atsushi
	Sugahara, Takeshi
	Tsunashima, Katsuhiko
	Tsuchida, Yusuke
	Hirai, Takayuki
citation_publisher	American Chemical Society
citation_language	英語
citation_date	2022-01-13
citation_journal_title	Journal of Chemical and Engineering Data
citation_volume	67
citation_issue	1
citation_firstpage	67
citation_lastpage	73
citation_doi	https://doi.org/10.1021/acs.jced.1c00741
citation_public_url	https://hdl.handle.net/11094/91292

Thermodynamic Properties of Tetra-n-butylphosphonium Dicarboxylate Semiclathrate Hydrates

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