Synthesis and Structure of Copper(II) Nitrate Complexes with 2, 6-Bis(pyrazolyl)pyridine

Three mononuclear copper(II) complexes of copper nitrate with 2, 6‐bis(pyrazol‐1‐yl)pyridine (bPzPy) and 2, 6‐bis(3′,5′‐dimethylpyrazol‐1‐yl)pyridine (bdmPzPy), [Cu(bPzPy)(NO3)2] (1), [Cu(bPzPy)(H2O)(NO3)2] (2) and [Cu(bdmPzPy)(NO3)2] (3) were synthesized by the reaction of copper nitrate with the l...

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Bibliographic Details
Published in:Zeitschrift für anorganische und allgemeine Chemie (1950) 2014-02, Vol.640 (2), p.347-352
Main Authors: Dolzhenko, Vladimir D., Kurnosov, Nikon M., Troyanov, Sergey I.
Format: Article
Language:English
Subjects:
2, 6‐bis(pyrazolyl)pyridine
6-bis(pyrazolyl)pyridine
Coordination polymer
Copper
Hydrogen bonding
Structure elucidation
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Summary:Three mononuclear copper(II) complexes of copper nitrate with 2, 6‐bis(pyrazol‐1‐yl)pyridine (bPzPy) and 2, 6‐bis(3′,5′‐dimethylpyrazol‐1‐yl)pyridine (bdmPzPy), [Cu(bPzPy)(NO3)2] (1), [Cu(bPzPy)(H2O)(NO3)2] (2) and [Cu(bdmPzPy)(NO3)2] (3) were synthesized by the reaction of copper nitrate with the ligand in ethanol solution. The complexes have been characterized through analytical, spectroscopic and EPR measurements. Single crystal X‐ray structure analysis of complexes 1 and 2 revealed a five‐coordinate copper atom in 1, whereas 2 contains a six‐coordinate (4+2) CuII ion with molecular units acting as supramolecular nodes. These neutral nodes are connected through O–H···O(nitrate) hydrogen bonds to give couples of parallel linear strips assembled in 1D‐chains in a zipper‐like motif.
ISSN:0044-2313
1521-3749
DOI:10.1002/zaac.201300509