A Novel Salt Formed by Mixed-Valence Vanadium(IV, V) [(VO)2O(bpy)2(C2O4)2] Anions and Ferromagnetic [Cu2(bpy)4(C2O4)] Cations: Structure, Spectroscopic Characterization and Magnetic Properties

Costişor, Otilia; Brezeanu, M.; Journaux, Yves; Mereiter, Kurt; Weinberger, P.; Linert, Wolfgang

doi:10.1002/1099-0682(200108)2001:8<2061::aid-ejic2061>3.0.co;2-q

Cited by 27 publications

(2 citation statements)

References 36 publications

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“…Due to a poor overlap between the axial oxalato oxygen orbital and the metal d

_{italicx^{2}}

−

_{italicy^{2}}

orbital, a ferromagnetic coupling dominates the magnetic properties of the Cu dinuclear unit of complex 2 . The magnitude of the coupling observed is in the same range as several reported examples 25,26…”

Section: Resultssupporting

confidence: 81%

Two Copper(II) Complexes Built from a Novel Redox‐Active Bipyridinium Dimer Ligand and Oxalate Anions: Synthesis, Crystal Structure and Magnetic Properties

et al. 2004

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The synthesis of a novel V‐shaped redox‐active bipyridinium dimer ligand, 2,6‐bis(4′‐pyridyl‐1′‐pyridiniumyl)pyrazine (Bpypr) dichloride and its copper complexes, (H2Bpypr)[Cu2(C2O4)4] (1) and {[(Bpypr)Cu2(C2O4)3(H2O)2]·5H2O}n (2), are described. Single‐crystal X‐ray diffraction studies confirm that complex 1 contains one V‐shaped H2Bpypr cation and two essentially planar [Cu(C2O4)2]2− anions, which participate in two hydrogen bonds through the two N−H moieties. Complex 2 has a 1D zigzag chain structure composed of [Cu2(C2O4)3]2− units bridged by V‐shaped Bpypr cations. The magnetic study revealed the occurrence of a weak ferromagnetic interaction within the dinuclear copper unit of complex 2. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)

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“…Due to a poor overlap between the axial oxalato oxygen orbital and the metal d

_{italicx^{2}}

−

_{italicy^{2}}

Section: Resultssupporting

confidence: 81%

Two Copper(II) Complexes Built from a Novel Redox‐Active Bipyridinium Dimer Ligand and Oxalate Anions: Synthesis, Crystal Structure and Magnetic Properties

et al. 2004

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“…Broad absorption at 935 cm –1 is expected for the presence of V=O stretch, which is almost in agreement with [VO(cat) 2 ] 2– (V=O 950 cm –1 ) reported in Cooper’s work 16. It is reported that ν (Cu–N) absorption lies at around 287 cm –1 ,27 which cannot show in the 4000–400cm –1 range.…”

Section: Resultsmentioning

confidence: 99%

Self‐Assembly of a Novel V^IV–Cu^II Hybrid: Hydrogen Bonds Interlinked [VO(2,3‐DHN)₂]^2– and [Cu(1,3‐PDA)₂]²⁺ Blocks

Chi

Zhu

Chen

et al. 2010

Zeitschrift anorg allge chemie

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A novel VIV‐CuII hybrid complex assembled from an O,O‐chelating vanadium block [VO(2,3‐DHN)2]2– and a N,N‐chelating copper block [Cu(1,3‐PDA)2]2+, namely, [VO(2,3‐DHN)2][Cu(1,3‐PDA)2]·0.5CH3CN (1) (2,3‐DHN = 2,3‐dihydroxynaphthalene, 1,3‐PDA = 1,3‐propanediamine), was synthesized at 8 °C (low room temperature) and characterized by IR spectroscopy and single‐crystal X‐ray diffraction. The vanadium and copper blocks are both independent complexes and are interlinked through N–H···O hydrogen bonds donated by [Cu(1,3‐PDA)2]2+ moiety, exhibiting 1D chain, 2D layer, and open 3D channel supramolecular array. This work was originally sparked by the tunicate chemistry and the [VO(2, 3‐DHN)2]2– ion can be seen a sequel of vanadium‐catechol models.

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Solvothermal Synthesis and Crystal Structures of Two Manganese Complexes [Mn(II)(acac⁻)₂(4,4′‐bipy)]_n (bipy=4,4′‐bipyridine) and [Mn(III)(acac⁻)₃]·4CO(NH₂)₂

Cheng¹,

Xia²,

Feng³

et al. 2012

Chin. J. Chem.

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Two special manganese complexes [Mn(II)(acac−)2(4,4′‐bipy)]n (bipy=4,4′‐bipyridine) (complex 1) and [Mn(III)(acac−)3]·4CO(NH2)2 (acacH=acetylacetone) (complex 2) were synthesized in the same strategy by solvothermal method. Single crystal X‐ray diffraction revealed the complex 1 consists of one‐dimensional infinite coordination chain, with the manganese centers bridged by 4,4′‐bipy. And free carbamides of complex 2 connect with each other through the hydrogen bonds to form a 14‐membered carbamide ring and a zig‐zag plane. Both enantiomers of Mn(III)(acac−)3 exist in the structure, forming a racemate. Furthermore, these enantiomers and those zig‐zag planes are linked with hydrogen bonds to form an unique spatial network.

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A Novel Salt Formed by Mixed-Valence Vanadium(IV, V) [(VO)2O(bpy)2(C2O4)2] Anions and Ferromagnetic [Cu2(bpy)4(C2O4)] Cations: Structure, Spectroscopic Characterization and Magnetic Properties

Cited by 27 publications

References 36 publications

Two Copper(II) Complexes Built from a Novel Redox‐Active Bipyridinium Dimer Ligand and Oxalate Anions: Synthesis, Crystal Structure and Magnetic Properties

Two Copper(II) Complexes Built from a Novel Redox‐Active Bipyridinium Dimer Ligand and Oxalate Anions: Synthesis, Crystal Structure and Magnetic Properties

Self‐Assembly of a Novel V^IV–Cu^II Hybrid: Hydrogen Bonds Interlinked [VO(2,3‐DHN)₂]^2– and [Cu(1,3‐PDA)₂]²⁺ Blocks

Solvothermal Synthesis and Crystal Structures of Two Manganese Complexes [Mn(II)(acac⁻)₂(4,4′‐bipy)]_n (bipy=4,4′‐bipyridine) and [Mn(III)(acac⁻)₃]·4CO(NH₂)₂

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A Novel Salt Formed by Mixed-Valence Vanadium(IV, V) [(VO)2O(bpy)2(C2O4)2] Anions and Ferromagnetic [Cu2(bpy)4(C2O4)] Cations: Structure, Spectroscopic Characterization and Magnetic Properties

Cited by 27 publications

References 36 publications

Two Copper(II) Complexes Built from a Novel Redox‐Active Bipyridinium Dimer Ligand and Oxalate Anions: Synthesis, Crystal Structure and Magnetic Properties

Two Copper(II) Complexes Built from a Novel Redox‐Active Bipyridinium Dimer Ligand and Oxalate Anions: Synthesis, Crystal Structure and Magnetic Properties

Self‐Assembly of a Novel VIV–CuII Hybrid: Hydrogen Bonds Interlinked [VO(2,3‐DHN)2]2– and [Cu(1,3‐PDA)2]2+ Blocks

Solvothermal Synthesis and Crystal Structures of Two Manganese Complexes [Mn(II)(acac−)2(4,4′‐bipy)]n (bipy=4,4′‐bipyridine) and [Mn(III)(acac−)3]·4CO(NH2)2

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Self‐Assembly of a Novel V^IV–Cu^II Hybrid: Hydrogen Bonds Interlinked [VO(2,3‐DHN)₂]^2– and [Cu(1,3‐PDA)₂]²⁺ Blocks

Solvothermal Synthesis and Crystal Structures of Two Manganese Complexes [Mn(II)(acac⁻)₂(4,4′‐bipy)]_n (bipy=4,4′‐bipyridine) and [Mn(III)(acac⁻)₃]·4CO(NH₂)₂