Microcalorimetric study on host-guest complexation of naphtho-15-crown-5 with four ions of alkaline earth metal
Thermodynamic parameters of complexation of naphto-15-crown-5 with four alkaline earth ions in aqueous media was determined using titration microcalorimetry at 298.15 K. The stability of the complexes, thermal effect and entropy effect of the complexation is discussed on the basis of the guest ions...
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| Veröffentlicht in: | Journal of Zhejiang University. B. Science 2005-01, Vol.6 (1), p.69-73 |
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| container_title | Journal of Zhejiang University. B. Science |
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| creator | 宋明芝 朱兰英 高希柯 窦建民 孙德志 |
| description | Thermodynamic parameters of complexation of naphto-15-crown-5 with four alkaline earth ions in aqueous media was determined using titration microcalorimetry at 298.15 K. The stability of the complexes, thermal effect and entropy effect of the complexation is discussed on the basis of the guest ions structure and the solvent effect. The stability constants tendency to vary with ion radius was interpreted. Complex of naphtha-15-crown-5 with calcium ion is very stable due to the synergism of static electric interaction and size selectivity between the host and the guest. |
| doi_str_mv | 10.1631/jzus.2005.B0069 |
| format | Article |
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The stability of the complexes, thermal effect and entropy effect of the complexation is discussed on the basis of the guest ions structure and the solvent effect. The stability constants tendency to vary with ion radius was interpreted. Complex of naphtha-15-crown-5 with calcium ion is very stable due to the synergism of static electric interaction and size selectivity between the host and the guest.</description><identifier>ISSN: 1673-1581</identifier><identifier>EISSN: 1862-1783</identifier><identifier>DOI: 10.1631/jzus.2005.B0069</identifier><identifier>PMID: 15593396</identifier><language>eng</language><publisher>China: Springer Nature B.V</publisher><subject>Alkaline earth metals ; Aqueous solutions ; Calcium ions ; Calorimetry - methods ; Chemistry ; Complexation ; Crown Ethers - chemistry ; Entropy ; Ions ; Ions - chemistry ; Macromolecular Substances - analysis ; Macromolecular Substances - chemistry ; Metals, Alkaline Earth - chemistry ; Microchemistry - methods ; Naphtha ; Selectivity ; Solvent effect ; Stability constants ; Synergism ; Temperature effects ; Titration ; 主-客络合 ; 分子识别 ; 微量热法 ; 热力学参数 ; 碱土金属 ; 萘并-15-冠-5</subject><ispartof>Journal of Zhejiang University. B. Science, 2005-01, Vol.6 (1), p.69-73</ispartof><rights>Zhejiang University Press 2005.</rights><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><rights>Copyright © 2005, Journal of Zhejiang University Science 2005</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3964-334c4995e86cf23e8577a31c209e7660aeaf3d8d2fe4b1a50c509285d77076533</citedby><cites>FETCH-LOGICAL-c3964-334c4995e86cf23e8577a31c209e7660aeaf3d8d2fe4b1a50c509285d77076533</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/86281A/86281A.jpg</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1390764/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1390764/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,723,776,780,881,27903,27904,53770,53772</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15593396$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>宋明芝 朱兰英 高希柯 窦建民 孙德志</creatorcontrib><title>Microcalorimetric study on host-guest complexation of naphtho-15-crown-5 with four ions of alkaline earth metal</title><title>Journal of Zhejiang University. B. Science</title><addtitle>Journal of Zhejiang University Science</addtitle><description>Thermodynamic parameters of complexation of naphto-15-crown-5 with four alkaline earth ions in aqueous media was determined using titration microcalorimetry at 298.15 K. The stability of the complexes, thermal effect and entropy effect of the complexation is discussed on the basis of the guest ions structure and the solvent effect. The stability constants tendency to vary with ion radius was interpreted. Complex of naphtha-15-crown-5 with calcium ion is very stable due to the synergism of static electric interaction and size selectivity between the host and the guest.</description><subject>Alkaline earth metals</subject><subject>Aqueous solutions</subject><subject>Calcium ions</subject><subject>Calorimetry - methods</subject><subject>Chemistry</subject><subject>Complexation</subject><subject>Crown Ethers - chemistry</subject><subject>Entropy</subject><subject>Ions</subject><subject>Ions - chemistry</subject><subject>Macromolecular Substances - analysis</subject><subject>Macromolecular Substances - chemistry</subject><subject>Metals, Alkaline Earth - chemistry</subject><subject>Microchemistry - methods</subject><subject>Naphtha</subject><subject>Selectivity</subject><subject>Solvent effect</subject><subject>Stability constants</subject><subject>Synergism</subject><subject>Temperature effects</subject><subject>Titration</subject><subject>主-客络合</subject><subject>分子识别</subject><subject>微量热法</subject><subject>热力学参数</subject><subject>碱土金属</subject><subject>萘并-15-冠-5</subject><issn>1673-1581</issn><issn>1862-1783</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpdkctv1DAQxiMEog84c0MRSByQsvX4mVyQoOIlFXGBs-V1nI23XnsbJ-y2f30n7Ko8TrY8P38z33xF8QLIAiSDi_XdlBeUELH4QIhsHhWnUEtagarZY7xLxSoQNZwUZzmvCeGcKPm0OAEhGsYaeVqkb94OyZqQBr9x4-BtmcepvS1TLPuUx2o1uTyWNm22we3N6PE9dWU0237sE4pX-H0XK1Hu_NiXXZqGEpk8QyZcm-CjK50ZsIbyJjwrnnQmZPf8eJ4XPz99_HH5pbr6_vnr5furyuJYvGKMW940wtXSdpS5WihlGFhKGqekJMaZjrV1SzvHl2AEsYI0tBatUuhQMHZevDvobqflxrXWxXEwQW_RpRludTJe_1uJvter9EsDa1CBo8Dbg8DOxM7ElV6jtYgj67t1u98vl9rNeydAYIbfHLsN6WZemN74bF0IJro0ZY05UA50Bl__Bz7IUkUwFlpzQOriQOFucx5c9zA3ED3nrufc9dxf_84df7z82-4f_hg0Aq-Okn2KqxuPhpbGXnc-OA1QKwlcsXtdtLXT</recordid><startdate>200501</startdate><enddate>200501</enddate><creator>宋明芝 朱兰英 高希柯 窦建民 孙德志</creator><general>Springer Nature B.V</general><general>Department of Chemistry, Liaocheng University, Liaocheng 252059, China</general><general>Zhejiang University Press</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W94</scope><scope>~WA</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7QP</scope><scope>7TK</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>P64</scope><scope>7X8</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope><scope>5PM</scope></search><sort><creationdate>200501</creationdate><title>Microcalorimetric study on host-guest complexation of naphtho-15-crown-5 with four ions of alkaline earth metal</title><author>宋明芝 朱兰英 高希柯 窦建民 孙德志</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3964-334c4995e86cf23e8577a31c209e7660aeaf3d8d2fe4b1a50c509285d77076533</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Alkaline earth metals</topic><topic>Aqueous solutions</topic><topic>Calcium ions</topic><topic>Calorimetry - 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| source | MEDLINE; Springer Nature - Complete Springer Journals; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Alkaline earth metals Aqueous solutions Calcium ions Calorimetry - methods Chemistry Complexation Crown Ethers - chemistry Entropy Ions Ions - chemistry Macromolecular Substances - analysis Macromolecular Substances - chemistry Metals, Alkaline Earth - chemistry Microchemistry - methods Naphtha Selectivity Solvent effect Stability constants Synergism Temperature effects Titration 主-客络合 分子识别 微量热法 热力学参数 碱土金属 萘并-15-冠-5 |
| title | Microcalorimetric study on host-guest complexation of naphtho-15-crown-5 with four ions of alkaline earth metal |
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