Synthesis,characterization, structure and magnetic properties of azido-bridged nickel(II) and copper(II) complexes with a pyridylpyrazole-based ligand |
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| Authors: | Zala Mahendrasinh Sujit B. Kumar E. Suresh Joan Ribas |
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| Affiliation: | (1) Department of Chemistry, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara, 390002, India;(2) Analytical Chemistry Division, Central Salt and Marine Chemicals Research Institute, Bhavnagar, 364002, India;(3) Department de Quimica Inorganica, Universitat de Barcelona, Diagonal 647, 08028 Barcelona, Spain; |
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| Abstract: | ![]()
A new pyridylpyrazole-containing tetradentate ligand, namely N,N-bis(3,5-dimethylpyrazol-1-ylmethyl)aminomethylpyridine (L), and two of its binuclear azido-bridged complexes, [Ni2(L)2(N3)2](ClO4)2·2EtOH (1) and [Cu2(L)2(N3)2](ClO4)2 (2), have been synthesized and characterized by physico-chemical and spectroscopic methods. The crystal structures of both complexes are reported. Each metal atom in the complexes has a MN6 coordination environment with distorted octahedral geometry. Variable-temperature magnetic susceptibility measurements for complex (1) show typical antiferromagnetic behavior with J value −84.5 ± 1.3 cm−1, whereas complex (2) has no magnetic interactions. |
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