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955 8 |
Ultima descărcare din IBN: 2023-05-10 08:14 |
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54 (4806) |
Chimie. Cristalografie. Mineralogie (2058) |
SM ISO690:2012 DANILESCU, Olga. Structural study of mono- and binuclear 2,6-Diacetylpyridine bis(nicotinoylhydrazone) coordination compounds. In: Moldavian Journal of the Physical Sciences, 2018, nr. 3-4(17), pp. 177-184. ISSN 1810-648X. DOI: https://doi.org/10.5281/zenodo.4019721 |
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Moldavian Journal of the Physical Sciences | ||||||
Numărul 3-4(17) / 2018 / ISSN 1810-648X /ISSNe 2537-6365 | ||||||
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DOI:https://doi.org/10.5281/zenodo.4019721 | ||||||
CZU: 54 | ||||||
Pag. 177-184 | ||||||
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Rezumat | ||||||
2,6-Diacetylpyridine bis(nicotinoylhydrazone) (H2L) represents a Schiff base condensation product of 2,6-diacetylpyridine and nicotinic acid hydrazide and may represent a versatile ligand for a variety of research objectives because it has multiple coordination sites. In this review, the design of seven coordination compounds of the title ligand H2L with some transition metals-V(II, IV), Fe(III), and Co(II)-is reported. The V(IV), Fe(III), and Co(II) metals give rise to the mononuclear compounds where the metal cations form pentagonal bipyramids, while V(II) forms a binuclear compound with the metal in a tetragonal pyramid environment. The characteristic IR oscillations of H2L in all complexes and promising adsorption properties are analyzed. |
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