Synthesis, characterization and thermal properties of cobalt(II), nickel(II) and copper(II) complexes of 2,6-bis(3,4,5-trimethyl-N-pyrazolyl)pyridine): the crystal structure of [Co(btmpp)(H2O)2(NO3)]NO3 |
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| Authors: | ?i?dem Hopa Raif Kurtaran Mahir Alkan Hulya Kara and Robert Hughes |
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| Institution: | (1) Department of Chemistry, Faculty of Arts and Sciences, Balıkesir University, Cagis, 10145 Balıkesir, Turkey;(2) Department of Physics, Faculty of Arts and Sciences, Balıkesir University, Cagis, 10145 Balıkesir, Turkey;(3) School of Chemistry, University of Bristol, Bristol, BS8 1TS, UK |
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| Abstract: | Co(II), Ni(II) and Cu(II) nitrate complexes with btmpp, namely (Co(btmpp)(H2O)2(NO3)]NO3 (1), Ni(btmpp)(H2O)(NO3)]NO3 (2) and Cu(btmpp)(MeOH)(NO3)]NO3 (3), where btmpp = 2,6-bis(3,4,5-trimethyl-N-pyrazolyl)pyridine), have been synthesized and characterized by physicochemical and spectroscopic methods. The crystal structure
of complex 1 has been determined by single crystal diffraction at 100K. In all the complexes, btmpp is coordinated in a tridentate mode
through its nitrogen atoms. One of the nitrates in complex 1 is terminally bonded to the metal center through the oxygen atom, whereas the other one is out of the coordination sphere.
The Co(II) atom in complex 1 is hexa-coordinated with a CoN3O3 distorted octahedral environment. Decomposition of three complexes was analyzed thermogravimetrically. All three complexes
decompose similar to explosive material. |
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