Tris(1,10-phenanthroline)copper(II) di-μ-iodo-bis(diiodomercurate) dimethyl sulfoxide monohydrate

Oh, Myeongjin; Lee, Yong Min; Lee, Seung-Jae; Kang, Sung Kwon; Choi, Sung-Nak

doi:10.1107/s0108270105043088

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“…The equatorial coordination bonds reveal values slightly above 2 Å, contrary to much longer Cu−N bonds in the axial positions. The six-coordinative axially elongated [Cu(phen) 3 ] 2+ countercation is not very common in coordination chemistry; however, it is known to form stable ionic architectures together with simple anions such as ClO 4 − , PF 6 − , SO 4 2− , C(CN) 3 − , or F 3 CSO 3 − as well as with the complex anions of Hg 2 I 6 2− , [Co(C 2 H 11 B 9 ) 2 ] − (3,3′-commo-bis(1,2-dicarba-3-cobalt(III)-closo-dodecarborate), or N-2-(phenyl)ethyliminodiacetato−copper coordination systems.…”

Section: Resultsmentioning

confidence: 99%

Magnetostructural Correlations in Cu^II−NC−W^V Linkage: The Case of [Cu^II(diimine)]²⁺−[W^V(CN)₈]³⁻ 0D Assemblies

et al. 2009

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We report on the syntheses, crystal structures, and magnetic properties of two cyano-bridged molecular assemblies: [Cu(II)(phen)(3)](2){[Cu(II)(phen)(2)](2)[W(V)(CN)(8)](2)}(ClO(4))(2) x 10 H(2)O (phen = 1,10-phenanthroline) (1) and {[Cu(II)(bpy)(2)](2)[W(V)(CN)(8)]} {[Cu(II)(bpy)(2)][W(V)(CN)(8)]} x 4 H(2)O (bpy = 2,2'-bipyridyl) (2). Compound 1 consists of cyano-bridged [Cu(II)(2)W(V)(2)](2-) molecular rectangles and isolated [Cu(II)(phen)(3)](2+) complexes. The molecular structure of 2 reveals cyano-bridged trinuclear [Cu(II)(2)W(V)](+) and dinuclear [Cu(II)W(V)](-) ions. Magnetic interactions in 1 are interpreted in terms of the model of a tetranuclear moiety consisting of two ferromagnetic Cu(II)-NC-W(V) units (J(1) = +39(4) cm(-1)) interacting antiferromagnetically (J(2) = -1.6(4) cm(-1)). The analysis of the magnetic response of 2 reveals ferromagnetic interaction within the [Cu(II)-NC-W(V)-CN-Cu(II)](+) and [Cu(II)-NC-W(V)](-) isolated units, characterized by J = +35(7) cm(-1) and antiferromagnetic coupling between them (4J' = -0.30(8) cm(-1)). The discussion of the magnetic behavior and the correlation of the J(CuW) parameters with the geometry of cyano bridges at copper(II) centers of 1 and 2 is based on the DFT calculations, which yield J(av) = +13.2 cm(-1) for 1 and J = +31 cm(-1) for 2. The domination of the ferromagnetic Cu(II)-NC-W(V) interaction in 1 and 2 originates from the mutual orthogonality of natural magnetic orbitals in the case of coordination of cyano bridges at the equatorial sites of Cu(II) moieties.

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Section: Resultsmentioning

confidence: 99%

Magnetostructural Correlations in Cu^II−NC−W^V Linkage: The Case of [Cu^II(diimine)]²⁺−[W^V(CN)₈]³⁻ 0D Assemblies

et al. 2009

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Tris(1,10-phenanthroline)copper(II) di-μ-iodo-bis(diiodomercurate) dimethyl sulfoxide monohydrate

Cited by 1 publication

References 15 publications

Magnetostructural Correlations in Cu^II−NC−W^V Linkage: The Case of [Cu^II(diimine)]²⁺−[W^V(CN)₈]³⁻ 0D Assemblies

Magnetostructural Correlations in Cu^II−NC−W^V Linkage: The Case of [Cu^II(diimine)]²⁺−[W^V(CN)₈]³⁻ 0D Assemblies

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Tris(1,10-phenanthroline)copper(II) di-μ-iodo-bis(diiodomercurate) dimethyl sulfoxide monohydrate

Cited by 1 publication

References 15 publications

Magnetostructural Correlations in CuII−NC−WV Linkage: The Case of [CuII(diimine)]2+−[WV(CN)8]3− 0D Assemblies

Magnetostructural Correlations in CuII−NC−WV Linkage: The Case of [CuII(diimine)]2+−[WV(CN)8]3− 0D Assemblies

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Magnetostructural Correlations in Cu^II−NC−W^V Linkage: The Case of [Cu^II(diimine)]²⁺−[W^V(CN)₈]³⁻ 0D Assemblies

Magnetostructural Correlations in Cu^II−NC−W^V Linkage: The Case of [Cu^II(diimine)]²⁺−[W^V(CN)₈]³⁻ 0D Assemblies