Planar copper and nickel triangles with a guanidine-derived ligand
A novel guanidine-derived ligand with three tetradentate N 4 coordination sites and its trinuclear copper and nickel complexes, [Cu 3 ] and [Ni 3 ], were synthesized. X-ray structural analyses of [Cu 3 ] and [Ni 3 ] reveal the complexes to have planar triangular structures with pseudo C 3 symmetry....
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Veröffentlicht in: | Inorganic chemistry frontiers 2015-01, Vol.2 (8), p.725-730 |
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creator | Matsumoto, Takuto Sato, Yamato Shiga, Takuya Oshio, Hiroki |
description | A novel guanidine-derived ligand with three tetradentate N
4
coordination sites and its trinuclear copper and nickel complexes, [Cu
3
] and [Ni
3
], were synthesized. X-ray structural analyses of [Cu
3
] and [Ni
3
] reveal the complexes to have planar triangular structures with pseudo
C
3
symmetry. Magnetic measurements for [Cu
3
] and [Ni
3
] complexes indicate that antiferromagnetic interactions are operative in both complexes with intratriangle exchange coupling constants of
g
= 2.08(1),
J
= −130(1) cm
−1
for [Cu
3
], and
g
= 2.18(1),
J
= −14.9(1) cm
−1
for [Ni
3
]. [Cu
3
] has a doublet spin ground state at low temperature, while the magnetic susceptibility data and magnetization curve suggest that the ground state of [Ni
3
] is spin singlet. |
doi_str_mv | 10.1039/C5QI00085H |
format | Article |
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4
coordination sites and its trinuclear copper and nickel complexes, [Cu
3
] and [Ni
3
], were synthesized. X-ray structural analyses of [Cu
3
] and [Ni
3
] reveal the complexes to have planar triangular structures with pseudo
C
3
symmetry. Magnetic measurements for [Cu
3
] and [Ni
3
] complexes indicate that antiferromagnetic interactions are operative in both complexes with intratriangle exchange coupling constants of
g
= 2.08(1),
J
= −130(1) cm
−1
for [Cu
3
], and
g
= 2.18(1),
J
= −14.9(1) cm
−1
for [Ni
3
]. [Cu
3
] has a doublet spin ground state at low temperature, while the magnetic susceptibility data and magnetization curve suggest that the ground state of [Ni
3
] is spin singlet.</description><identifier>ISSN: 2052-1553</identifier><identifier>EISSN: 2052-1553</identifier><identifier>DOI: 10.1039/C5QI00085H</identifier><language>eng</language><ispartof>Inorganic chemistry frontiers, 2015-01, Vol.2 (8), p.725-730</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c231t-d757e7813aaff11cb5abf04d978a12bc275580fbc86749d2cad07ad8b9a263313</citedby><cites>FETCH-LOGICAL-c231t-d757e7813aaff11cb5abf04d978a12bc275580fbc86749d2cad07ad8b9a263313</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>Matsumoto, Takuto</creatorcontrib><creatorcontrib>Sato, Yamato</creatorcontrib><creatorcontrib>Shiga, Takuya</creatorcontrib><creatorcontrib>Oshio, Hiroki</creatorcontrib><title>Planar copper and nickel triangles with a guanidine-derived ligand</title><title>Inorganic chemistry frontiers</title><description>A novel guanidine-derived ligand with three tetradentate N
4
coordination sites and its trinuclear copper and nickel complexes, [Cu
3
] and [Ni
3
], were synthesized. X-ray structural analyses of [Cu
3
] and [Ni
3
] reveal the complexes to have planar triangular structures with pseudo
C
3
symmetry. Magnetic measurements for [Cu
3
] and [Ni
3
] complexes indicate that antiferromagnetic interactions are operative in both complexes with intratriangle exchange coupling constants of
g
= 2.08(1),
J
= −130(1) cm
−1
for [Cu
3
], and
g
= 2.18(1),
J
= −14.9(1) cm
−1
for [Ni
3
]. [Cu
3
] has a doublet spin ground state at low temperature, while the magnetic susceptibility data and magnetization curve suggest that the ground state of [Ni
3
] is spin singlet.</description><issn>2052-1553</issn><issn>2052-1553</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpNkE1LxDAURYMoOIyz8RdkLVTfS5omXeqgzsCACrour_mo0dopSVX89zOioKt7F_fcxWHsFOEcQdYXS_WwBgCjVgdsJkCJApWSh__6MVvk_LLfIJaAFczY1X1PAyVut-PoE6fB8SHaV9_zKUUaut5n_hmnZ068e6chujj4wvkUP7zjfez2wAk7CtRnv_jNOXu6uX5crorN3e16ebkprJA4FU4r7bVBSRQCom0VtQFKV2tDKFortFIGQmtNpcvaCUsONDnT1iQqKVHO2dnPr03bnJMPzZjiG6WvBqH5FtD8CZA7LC1NSw</recordid><startdate>20150101</startdate><enddate>20150101</enddate><creator>Matsumoto, Takuto</creator><creator>Sato, Yamato</creator><creator>Shiga, Takuya</creator><creator>Oshio, Hiroki</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20150101</creationdate><title>Planar copper and nickel triangles with a guanidine-derived ligand</title><author>Matsumoto, Takuto ; Sato, Yamato ; Shiga, Takuya ; Oshio, Hiroki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c231t-d757e7813aaff11cb5abf04d978a12bc275580fbc86749d2cad07ad8b9a263313</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Matsumoto, Takuto</creatorcontrib><creatorcontrib>Sato, Yamato</creatorcontrib><creatorcontrib>Shiga, Takuya</creatorcontrib><creatorcontrib>Oshio, Hiroki</creatorcontrib><collection>CrossRef</collection><jtitle>Inorganic chemistry frontiers</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Matsumoto, Takuto</au><au>Sato, Yamato</au><au>Shiga, Takuya</au><au>Oshio, Hiroki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Planar copper and nickel triangles with a guanidine-derived ligand</atitle><jtitle>Inorganic chemistry frontiers</jtitle><date>2015-01-01</date><risdate>2015</risdate><volume>2</volume><issue>8</issue><spage>725</spage><epage>730</epage><pages>725-730</pages><issn>2052-1553</issn><eissn>2052-1553</eissn><abstract>A novel guanidine-derived ligand with three tetradentate N
4
coordination sites and its trinuclear copper and nickel complexes, [Cu
3
] and [Ni
3
], were synthesized. X-ray structural analyses of [Cu
3
] and [Ni
3
] reveal the complexes to have planar triangular structures with pseudo
C
3
symmetry. Magnetic measurements for [Cu
3
] and [Ni
3
] complexes indicate that antiferromagnetic interactions are operative in both complexes with intratriangle exchange coupling constants of
g
= 2.08(1),
J
= −130(1) cm
−1
for [Cu
3
], and
g
= 2.18(1),
J
= −14.9(1) cm
−1
for [Ni
3
]. [Cu
3
] has a doublet spin ground state at low temperature, while the magnetic susceptibility data and magnetization curve suggest that the ground state of [Ni
3
] is spin singlet.</abstract><doi>10.1039/C5QI00085H</doi><tpages>6</tpages></addata></record> |
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language | eng |
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title | Planar copper and nickel triangles with a guanidine-derived ligand |
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