Coordination compounds of hydrazine derivatives with transition metals,XXIII cobalt(II) chelates of bis(N-salicylidene)dicarboxylic acid dihydrazides期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Coordination compounds of hydrazine derivatives with transition metals,XXIII cobalt(II) chelates of bis(N-salicylidene)dicarboxylic acid dihydrazides

Authors:	A. El-Toukhy A. F. M. Hefny L. El Sayed M. F. Iskander

Affiliation:	(1) Chemistry Department, Faculty of Science, and University of Alexandria Research Center (UNARC), Alexandria University, Alexandria, Egypt

Abstract:	The reaction of bis(N-salicylidene)dicarboxylic acid dihydrazides (H₄Lig) with cobalt(II) salts was investigated. Chelates of the types Co(H₃Lig)X ·nH₂O, Co₂(H₂Lig)X₂, Co₃(H₃Lig)₂X₄, Co(H₂Lig) ·nH₂O and Co(H₃Lig)₂ ·nH₂O (X=Cl, Br, I or SCN) were isolated and characterized by their infrared and electronic spectra as well as their magnetic properties. Koordinationsverbindungen von Hydrazinderivaten mit Übergangsmetallen, 23. Mitt.: Kobalt(II)-Chelate von Bis(N-salicyliden)dicarbonsäuredihydraziden Zusammenfassung Die Reaktion von Bis(N-salicyliden)dicarbonsäuredihydraziden (H₄Lig) mit Kobalt(II)-Salzen ergab Chelate vom Typ Co(H₃Lig)X ·nH₂O, Co₂(H₂Lig)X₂, Co₃(H₃Lig)₂X₄, Co(H₂Lig) ·nH₂O and Co(H₃Lig)₂ ·nH₂O (X=Cl, Br, I oder SCN). Die Charakterisierung erfolgte mittels IR, Elektronenspektren und magnetischer Eigenschaften.

Keywords:	Complexes, Co(II) Electronic spectra Ir Magnetic moments
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