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2005•Acta Crystallographica Section E Structure Reports OnlineRequires access

A one-dimensional coordination polymer of copper(II) with 2-pyrazinecarboxylate

Bo Zheng, Gang Yu Liu, Lei Gou, Daoyong Wang, Huai‐Ming Hu

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Abstract

A new one-dimensional coordination polymer, catena-poly­[[aqua­(nitrato-κ2O,O′)copper(II)]-μ-pyrazine-2-carboxyl­ato- κ3N1,O:N4], [Cu(C5H3N2O2)(NO3)(H2O)]n, has been synthesized and characterized. The coordination environment of the copper(II) ion is distorted octahedral, arising from an N,O-bidentate 2-pyrazine­carboxyl­ate ligand, an N atom from a symmetry-related 2-pyrazine­carboxyl­ate ligand, a bidentate nitrate group and a water mol­ecule. The chains interact by way of O—H⋯O hydrogen bonds and C—H⋯O interactions.

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A new one-dimensional coordination polymer, catena-poly­[[aqua­(nitrato-κ2O,O′)copper(II)]-μ-pyrazine-2-carboxyl­ato- κ3N1,O:N4], [Cu(C5H3N2O2)(NO3)(H2O)]n, has been synthesized and characterized. The coordination environment of the copper(II) ion is distorted octahedral, arising from an N,O-bidentate 2-pyrazine­carboxyl­ate ligand, an N atom from a symmetry-related 2-pyrazine­carboxyl­ate ligand, a bidentate nitrate group and a water mol­ecule. The chains interact by way of O—H⋯O hydrogen bonds and C—H⋯O interactions.

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Available abstract

A new one-dimensional coordination polymer, catena-poly­[[aqua­(nitrato-κ2O,O′)copper(II)]-μ-pyrazine-2-carboxyl­ato- κ3N1,O:N4], [Cu(C5H3N2O2)(NO3)(H2O)]n, has been synthesized and characterized. The coordination environment of the copper(II) ion is distorted octahedral, arising from an N,O-bidentate 2-pyrazine­carboxyl­ate ligand, an N atom from a symmetry-related 2-pyrazine­carboxyl­ate ligand, a bidentate nitrate group and a water mol­ecule. The chains interact by way of O—H⋯O hydrogen bonds and C—H⋯O interactions.

Key concepts: Pyrazine, Denticity, Octahedron, Coordination polymer, Copper, Ligand (biochemistry), Chemistry, Hydrogen bond

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