Synthesis and spectroscopic characterization of new mono- and binuclear complexes of some NH(1) thiosemicarbazides

Autor:	Abdel-Hamid M. Shallaby, Ahmed A. El-Asmy, I.M. Gabr, Nashwa M. El-Metwally
Rok vydání:	2005
Předmět:	Magnetic moment Thermal decomposition Inorganic chemistry Oxide Metal chemistry.chemical_compound chemistry Elemental analysis visual_art Materials Chemistry visual_art.visual_art_medium Proton NMR Physical chemistry Chelation Physical and Theoretical Chemistry Thermal analysis
Zdroj:	Journal of Coordination Chemistry. 58:1145-1159
ISSN:	1029-0389 0095-8972
DOI:	10.1080/00958970500155771
Popis:	4-Ethylthiosemicarbazide and its NH(1) derivatives have been prepared and confirmed by elemental analysis and 1H NMR spectra to produce diverse complexes with Co(II), Ni(II) and Cu(II) ions. The obtained complexes have been investigated based on elemental and thermal analyses, spectral (UV/VIS, ESR, mass) studies and magnetic measurements. The IR data reveal the presence of variable modes of chelation for the investigated ligands. The electronic spectra of the complexes as well as their magnetic moments provide information about geometries. The ESR spectra give evidence for the proposed structure and the bonding for some Cu(II) complexes. Thermal decomposition of some complexes ended with metal or metal oxide as a final product.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::cad8d0434ecc90e7f7a4da08cfaeb93b https://doi.org/10.1080/00958970500155771 Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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