A series of tetranuclear [2 × 2] grid complexes derived from an asymmetric ligand: Structural differences based on metal ion affinities
A series of tetranuclear grid-type complexes were prepared by the reaction of the asymmetric multidentate ligand HL (HL = 2-[3-(2-hydroxyphenyl)-1 -pyrazol-5-yl]-6-pyridine carboxylic acid ethylester) with different metal sources. The tetranuclear copper complex, [Cu (L1) (NO (H O) ]·Et O·2MeOH ( ,...
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| Veröffentlicht in: | Pure and applied chemistry 2011-08, Vol.83 (9), p.1721-1729 |
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| container_title | Pure and applied chemistry |
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| creator | Shiga, Takuya Noguchi, Mao Matsumoto, Takuto Sato, Hiroki Tahira, Hirotaka Newton, Graham N. Oshio, Hiroki |
| description | A series of tetranuclear grid-type complexes were prepared by the reaction of the asymmetric multidentate ligand HL (HL = 2-[3-(2-hydroxyphenyl)-1
-pyrazol-5-yl]-6-pyridine carboxylic acid ethylester) with different metal sources. The tetranuclear copper complex, [Cu
(L1)
(NO
(H
O)
]·Et
O·2MeOH (
, HL1 = 2-[3-(2-hydroxyphenyl)-1
-pyrazol-5-yl]-6-pyridine carboxylic acid methyl ester) consists of four ligands, four copper ions, four nitrate ions and four water molecules, forming a [2 × 2] grid structure, in which all four copper ions have the same coordination environment. On the other hand, the corresponding nickel and cobalt complexes, [M
(L2)
(H
O)
]·4MeOH·6H
O (M = Ni (
) and Co (
), (H
L2 = 6-[1,3-dioxo-3-(2-phenyl)propionyl]pyridine-2-carboxylic acid)), have a similar grid core structure to the copper complex with four metal ions, four ligand molecules, and four water molecules, however, in these clusters there are two kinds of coordination site for the metal ions. Temperature-dependent magnetic susceptibility measurements for all complexes demonstrated that antiferromagnetic interactions between the metal ions were in operation. The magnetic susceptibility data of the copper and nickel complexes were analyzed using a tetranuclear model based on
= –2
) to give best-fit parameters of
= 2.11(1),
= –1.39(3) cm
and
= 2.19(1),
= –0.44(2) cm
, respectively. |
| doi_str_mv | 10.1351/PAC-CON-10-12-01 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2230235266</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2230235266</sourcerecordid><originalsourceid>FETCH-LOGICAL-c435t-210c8d27ed23501745f611305910a2ac9b996c02154f84f17057a4c815bc4e7b3</originalsourceid><addsrcrecordid>eNp1kMtKBDEQRYMoOD72LgOuo1V5dE-7kWHwBaKCuhJpMulkiPRjTLrV-QP_wA_yx4yO4MpVKtQ5t-ASsodwgELh4c1kyqbXVwyBIWeAa2SEIlNMQK7WyQhACCaVVJtkK8YnAJCF5CPyPqHRBm8j7RztbR90O5ja6kAfOP38oPyRzoOvqOmaRW3fElcl_MVW1IWuobqlOi6bJone0NrPdVsd0ds-DKYfgq5p5Z2zwbYmmTMdk9e1NOFp5dOknfOt79P9HbLhdB3t7u-7Te5PT-6m5-zy-uxiOrlkRgrVM45gxhXPbcWFAsylchmiAFUgaK5NMSuKzABHJd1YOsxB5VqaMaqZkTafiW2yv8pdhO55sLEvn7ohtOlkybmAlMqzLFGwokzoYgzWlYvgGx2WJUL53XeZ-i5T3z9_XgIm5XilvOq6t6Gy8zAs0_CX_586FgXmHMUX0G6Igw</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2230235266</pqid></control><display><type>article</type><title>A series of tetranuclear [2 × 2] grid complexes derived from an asymmetric ligand: Structural differences based on metal ion affinities</title><source>EZB-FREE-00999 freely available EZB journals</source><source>Free Full-Text Journals in Chemistry</source><creator>Shiga, Takuya ; Noguchi, Mao ; Matsumoto, Takuto ; Sato, Hiroki ; Tahira, Hirotaka ; Newton, Graham N. ; Oshio, Hiroki</creator><creatorcontrib>Shiga, Takuya ; Noguchi, Mao ; Matsumoto, Takuto ; Sato, Hiroki ; Tahira, Hirotaka ; Newton, Graham N. ; Oshio, Hiroki</creatorcontrib><description>A series of tetranuclear grid-type complexes were prepared by the reaction of the asymmetric multidentate ligand HL (HL = 2-[3-(2-hydroxyphenyl)-1
-pyrazol-5-yl]-6-pyridine carboxylic acid ethylester) with different metal sources. The tetranuclear copper complex, [Cu
(L1)
(NO
(H
O)
]·Et
O·2MeOH (
, HL1 = 2-[3-(2-hydroxyphenyl)-1
-pyrazol-5-yl]-6-pyridine carboxylic acid methyl ester) consists of four ligands, four copper ions, four nitrate ions and four water molecules, forming a [2 × 2] grid structure, in which all four copper ions have the same coordination environment. On the other hand, the corresponding nickel and cobalt complexes, [M
(L2)
(H
O)
]·4MeOH·6H
O (M = Ni (
) and Co (
), (H
L2 = 6-[1,3-dioxo-3-(2-phenyl)propionyl]pyridine-2-carboxylic acid)), have a similar grid core structure to the copper complex with four metal ions, four ligand molecules, and four water molecules, however, in these clusters there are two kinds of coordination site for the metal ions. Temperature-dependent magnetic susceptibility measurements for all complexes demonstrated that antiferromagnetic interactions between the metal ions were in operation. The magnetic susceptibility data of the copper and nickel complexes were analyzed using a tetranuclear model based on
= –2
) to give best-fit parameters of
= 2.11(1),
= –1.39(3) cm
and
= 2.19(1),
= –0.44(2) cm
, respectively.</description><identifier>ISSN: 0033-4545</identifier><identifier>EISSN: 1365-3075</identifier><identifier>DOI: 10.1351/PAC-CON-10-12-01</identifier><language>eng</language><publisher>Berlin: De Gruyter</publisher><subject>asymmetric multidentate ligands ; cobalt ; Cobalt compounds ; Coordination compounds ; Copper ; Copper compounds ; grid ; Ligands ; magnetism ; Metal ions ; Molecular structure ; Nickel ; self-assembly ; Temperature dependence ; Water chemistry</subject><ispartof>Pure and applied chemistry, 2011-08, Vol.83 (9), p.1721-1729</ispartof><rights>2013 Walter de Gruyter GmbH, Berlin/Boston</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c435t-210c8d27ed23501745f611305910a2ac9b996c02154f84f17057a4c815bc4e7b3</citedby><cites>FETCH-LOGICAL-c435t-210c8d27ed23501745f611305910a2ac9b996c02154f84f17057a4c815bc4e7b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Shiga, Takuya</creatorcontrib><creatorcontrib>Noguchi, Mao</creatorcontrib><creatorcontrib>Matsumoto, Takuto</creatorcontrib><creatorcontrib>Sato, Hiroki</creatorcontrib><creatorcontrib>Tahira, Hirotaka</creatorcontrib><creatorcontrib>Newton, Graham N.</creatorcontrib><creatorcontrib>Oshio, Hiroki</creatorcontrib><title>A series of tetranuclear [2 × 2] grid complexes derived from an asymmetric ligand: Structural differences based on metal ion affinities</title><title>Pure and applied chemistry</title><description>A series of tetranuclear grid-type complexes were prepared by the reaction of the asymmetric multidentate ligand HL (HL = 2-[3-(2-hydroxyphenyl)-1
-pyrazol-5-yl]-6-pyridine carboxylic acid ethylester) with different metal sources. The tetranuclear copper complex, [Cu
(L1)
(NO
(H
O)
]·Et
O·2MeOH (
, HL1 = 2-[3-(2-hydroxyphenyl)-1
-pyrazol-5-yl]-6-pyridine carboxylic acid methyl ester) consists of four ligands, four copper ions, four nitrate ions and four water molecules, forming a [2 × 2] grid structure, in which all four copper ions have the same coordination environment. On the other hand, the corresponding nickel and cobalt complexes, [M
(L2)
(H
O)
]·4MeOH·6H
O (M = Ni (
) and Co (
), (H
L2 = 6-[1,3-dioxo-3-(2-phenyl)propionyl]pyridine-2-carboxylic acid)), have a similar grid core structure to the copper complex with four metal ions, four ligand molecules, and four water molecules, however, in these clusters there are two kinds of coordination site for the metal ions. Temperature-dependent magnetic susceptibility measurements for all complexes demonstrated that antiferromagnetic interactions between the metal ions were in operation. The magnetic susceptibility data of the copper and nickel complexes were analyzed using a tetranuclear model based on
= –2
) to give best-fit parameters of
= 2.11(1),
= –1.39(3) cm
and
= 2.19(1),
= –0.44(2) cm
, respectively.</description><subject>asymmetric multidentate ligands</subject><subject>cobalt</subject><subject>Cobalt compounds</subject><subject>Coordination compounds</subject><subject>Copper</subject><subject>Copper compounds</subject><subject>grid</subject><subject>Ligands</subject><subject>magnetism</subject><subject>Metal ions</subject><subject>Molecular structure</subject><subject>Nickel</subject><subject>self-assembly</subject><subject>Temperature dependence</subject><subject>Water chemistry</subject><issn>0033-4545</issn><issn>1365-3075</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp1kMtKBDEQRYMoOD72LgOuo1V5dE-7kWHwBaKCuhJpMulkiPRjTLrV-QP_wA_yx4yO4MpVKtQ5t-ASsodwgELh4c1kyqbXVwyBIWeAa2SEIlNMQK7WyQhACCaVVJtkK8YnAJCF5CPyPqHRBm8j7RztbR90O5ja6kAfOP38oPyRzoOvqOmaRW3fElcl_MVW1IWuobqlOi6bJone0NrPdVsd0ds-DKYfgq5p5Z2zwbYmmTMdk9e1NOFp5dOknfOt79P9HbLhdB3t7u-7Te5PT-6m5-zy-uxiOrlkRgrVM45gxhXPbcWFAsylchmiAFUgaK5NMSuKzABHJd1YOsxB5VqaMaqZkTafiW2yv8pdhO55sLEvn7ohtOlkybmAlMqzLFGwokzoYgzWlYvgGx2WJUL53XeZ-i5T3z9_XgIm5XilvOq6t6Gy8zAs0_CX_586FgXmHMUX0G6Igw</recordid><startdate>20110803</startdate><enddate>20110803</enddate><creator>Shiga, Takuya</creator><creator>Noguchi, Mao</creator><creator>Matsumoto, Takuto</creator><creator>Sato, Hiroki</creator><creator>Tahira, Hirotaka</creator><creator>Newton, Graham N.</creator><creator>Oshio, Hiroki</creator><general>De Gruyter</general><general>Walter de Gruyter GmbH</general><scope>AAYXX</scope><scope>CITATION</scope><scope>K9.</scope></search><sort><creationdate>20110803</creationdate><title>A series of tetranuclear [2 × 2] grid complexes derived from an asymmetric ligand: Structural differences based on metal ion affinities</title><author>Shiga, Takuya ; Noguchi, Mao ; Matsumoto, Takuto ; Sato, Hiroki ; Tahira, Hirotaka ; Newton, Graham N. ; Oshio, Hiroki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c435t-210c8d27ed23501745f611305910a2ac9b996c02154f84f17057a4c815bc4e7b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>asymmetric multidentate ligands</topic><topic>cobalt</topic><topic>Cobalt compounds</topic><topic>Coordination compounds</topic><topic>Copper</topic><topic>Copper compounds</topic><topic>grid</topic><topic>Ligands</topic><topic>magnetism</topic><topic>Metal ions</topic><topic>Molecular structure</topic><topic>Nickel</topic><topic>self-assembly</topic><topic>Temperature dependence</topic><topic>Water chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shiga, Takuya</creatorcontrib><creatorcontrib>Noguchi, Mao</creatorcontrib><creatorcontrib>Matsumoto, Takuto</creatorcontrib><creatorcontrib>Sato, Hiroki</creatorcontrib><creatorcontrib>Tahira, Hirotaka</creatorcontrib><creatorcontrib>Newton, Graham N.</creatorcontrib><creatorcontrib>Oshio, Hiroki</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><jtitle>Pure and applied chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shiga, Takuya</au><au>Noguchi, Mao</au><au>Matsumoto, Takuto</au><au>Sato, Hiroki</au><au>Tahira, Hirotaka</au><au>Newton, Graham N.</au><au>Oshio, Hiroki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A series of tetranuclear [2 × 2] grid complexes derived from an asymmetric ligand: Structural differences based on metal ion affinities</atitle><jtitle>Pure and applied chemistry</jtitle><date>2011-08-03</date><risdate>2011</risdate><volume>83</volume><issue>9</issue><spage>1721</spage><epage>1729</epage><pages>1721-1729</pages><issn>0033-4545</issn><eissn>1365-3075</eissn><abstract>A series of tetranuclear grid-type complexes were prepared by the reaction of the asymmetric multidentate ligand HL (HL = 2-[3-(2-hydroxyphenyl)-1
-pyrazol-5-yl]-6-pyridine carboxylic acid ethylester) with different metal sources. The tetranuclear copper complex, [Cu
(L1)
(NO
(H
O)
]·Et
O·2MeOH (
, HL1 = 2-[3-(2-hydroxyphenyl)-1
-pyrazol-5-yl]-6-pyridine carboxylic acid methyl ester) consists of four ligands, four copper ions, four nitrate ions and four water molecules, forming a [2 × 2] grid structure, in which all four copper ions have the same coordination environment. On the other hand, the corresponding nickel and cobalt complexes, [M
(L2)
(H
O)
]·4MeOH·6H
O (M = Ni (
) and Co (
), (H
L2 = 6-[1,3-dioxo-3-(2-phenyl)propionyl]pyridine-2-carboxylic acid)), have a similar grid core structure to the copper complex with four metal ions, four ligand molecules, and four water molecules, however, in these clusters there are two kinds of coordination site for the metal ions. Temperature-dependent magnetic susceptibility measurements for all complexes demonstrated that antiferromagnetic interactions between the metal ions were in operation. The magnetic susceptibility data of the copper and nickel complexes were analyzed using a tetranuclear model based on
= –2
) to give best-fit parameters of
= 2.11(1),
= –1.39(3) cm
and
= 2.19(1),
= –0.44(2) cm
, respectively.</abstract><cop>Berlin</cop><pub>De Gruyter</pub><doi>10.1351/PAC-CON-10-12-01</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | asymmetric multidentate ligands cobalt Cobalt compounds Coordination compounds Copper Copper compounds grid Ligands magnetism Metal ions Molecular structure Nickel self-assembly Temperature dependence Water chemistry |
| title | A series of tetranuclear [2 × 2] grid complexes derived from an asymmetric ligand: Structural differences based on metal ion affinities |
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