Synthesis, crystal structure and magnetic properties of a Cu(II) paddle-wheel complex with mixed bridges

Joan Soldevila-Sanmartín; José A. Ayllón; Teresa Calvet; Merce Font-Bardia; Concepción Domingo; Josefina Pons

doi:10.1016/j.inoche.2016.07.009

Synthesis, crystal structure and magnetic properties of a Cu(II) paddle-wheel complex with mixed bridges

Joan Soldevila-Sanmartín, José A. Ayllón, Teresa Calvet, Merce Font-Bardia, Concepción Domingo, Josefina Pons

Department of Chemistry

Research output: Contribution to journal › Article › Research › peer-review

17 Citations (Scopus)

Abstract

© 2016 Elsevier B.V. The synthesis and characterization of a mixed carboxylate paddle-wheel copper complex, with formula [Cu(μ-Pip)(μ-MeCO2)(MeOH)]2 (Pip = piperonylate or 1,3-benzodioxole-5-carboxylate and MeCO2 = acetate), is here reported. The described compound is a binuclear complex, each pair of similar carboxylate ligands occupying mutually trans bridging positions, while the methanol occupies the apical positions. The dimers are arranged into 2D layers in the bc plane through a network of O-H ⋯ O hydrogen bonds established between the methanol and the acetate ligand. Magnetic studies showed a strong antiferromagnetic Cu ⋯ Cu interaction (J = − 308 cm− 1), in agreement with the presence of four μ-κO-κO′ carboxylates bridging the metallic centers in the binuclear complex.

Original language	English
Pages (from-to)	90-93
Journal	Inorganic Chemistry Communications
Volume	71
DOIs	https://doi.org/10.1016/j.inoche.2016.07.009
Publication status	Published - 1 Sep 2016

Keywords

Copper(II) heteroleptic paddle-wheel
Mixed bridges
Piperonylic acid
Supramolecular networks

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title = "Synthesis, crystal structure and magnetic properties of a Cu(II) paddle-wheel complex with mixed bridges",

abstract = "{\textcopyright} 2016 Elsevier B.V. The synthesis and characterization of a mixed carboxylate paddle-wheel copper complex, with formula [Cu(μ-Pip)(μ-MeCO2)(MeOH)]2 (Pip = piperonylate or 1,3-benzodioxole-5-carboxylate and MeCO2 = acetate), is here reported. The described compound is a binuclear complex, each pair of similar carboxylate ligands occupying mutually trans bridging positions, while the methanol occupies the apical positions. The dimers are arranged into 2D layers in the bc plane through a network of O-H ⋯ O hydrogen bonds established between the methanol and the acetate ligand. Magnetic studies showed a strong antiferromagnetic Cu ⋯ Cu interaction (J = − 308 cm− 1), in agreement with the presence of four μ-κO-κO′ carboxylates bridging the metallic centers in the binuclear complex.",

keywords = "Copper(II) heteroleptic paddle-wheel, Mixed bridges, Piperonylic acid, Supramolecular networks",

author = "Joan Soldevila-Sanmart{\'i}n and Ayll{\'o}n, {Jos{\'e} A.} and Teresa Calvet and Merce Font-Bardia and Concepci{\'o}n Domingo and Josefina Pons",

year = "2016",

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doi = "10.1016/j.inoche.2016.07.009",

language = "English",

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Synthesis, crystal structure and magnetic properties of a Cu(II) paddle-wheel complex with mixed bridges. / Soldevila-Sanmartín, Joan ; Ayllón, José A.; Calvet, Teresa; Font-Bardia, Merce; Domingo, Concepción; Pons, Josefina.

In: Inorganic Chemistry Communications, Vol. 71, 01.09.2016, p. 90-93.

Research output: Contribution to journal › Article › Research › peer-review

TY - JOUR

T1 - Synthesis, crystal structure and magnetic properties of a Cu(II) paddle-wheel complex with mixed bridges

AU - Soldevila-Sanmartín, Joan

AU - Ayllón, José A.

AU - Calvet, Teresa

AU - Font-Bardia, Merce

AU - Domingo, Concepción

AU - Pons, Josefina

PY - 2016/9/1

Y1 - 2016/9/1

N2 - © 2016 Elsevier B.V. The synthesis and characterization of a mixed carboxylate paddle-wheel copper complex, with formula [Cu(μ-Pip)(μ-MeCO2)(MeOH)]2 (Pip = piperonylate or 1,3-benzodioxole-5-carboxylate and MeCO2 = acetate), is here reported. The described compound is a binuclear complex, each pair of similar carboxylate ligands occupying mutually trans bridging positions, while the methanol occupies the apical positions. The dimers are arranged into 2D layers in the bc plane through a network of O-H ⋯ O hydrogen bonds established between the methanol and the acetate ligand. Magnetic studies showed a strong antiferromagnetic Cu ⋯ Cu interaction (J = − 308 cm− 1), in agreement with the presence of four μ-κO-κO′ carboxylates bridging the metallic centers in the binuclear complex.

AB - © 2016 Elsevier B.V. The synthesis and characterization of a mixed carboxylate paddle-wheel copper complex, with formula [Cu(μ-Pip)(μ-MeCO2)(MeOH)]2 (Pip = piperonylate or 1,3-benzodioxole-5-carboxylate and MeCO2 = acetate), is here reported. The described compound is a binuclear complex, each pair of similar carboxylate ligands occupying mutually trans bridging positions, while the methanol occupies the apical positions. The dimers are arranged into 2D layers in the bc plane through a network of O-H ⋯ O hydrogen bonds established between the methanol and the acetate ligand. Magnetic studies showed a strong antiferromagnetic Cu ⋯ Cu interaction (J = − 308 cm− 1), in agreement with the presence of four μ-κO-κO′ carboxylates bridging the metallic centers in the binuclear complex.

KW - Copper(II) heteroleptic paddle-wheel

KW - Mixed bridges

KW - Piperonylic acid

KW - Supramolecular networks

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DO - 10.1016/j.inoche.2016.07.009

M3 - Article

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SP - 90

EP - 93

ER -