Paper Information

Journal:   JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)   APRIL 2014 , Volume 11 , Number 2; Page(s) 341 To 349.
 
Paper:  SYNTHESIS, CHARACTERIZATION AND CRYSTAL STRUCTURE DETERMINATION OF MONONUCLEAR AND DINUCLEAR COPPER (II) CARBOXYLATES: [CU (HDPA)2 (EN)] AND [{CU2 (μ-NA)4 (CH3OH)2}.2CH3OH]
 
Author(s):  AL HASHEMI RADHIYA, SAFARI NASSER*, AMANI VAHID, AMANI SAEID, NG SEIK WENG
 
* DEPARTMENT OF CHEMISTRY, SHAHID BEHESHTI UNIVERSITY, G. C., EVIN, 983963113, TEHRAN, IRAN
 
Abstract: 

Two new copper complexes [Cu (Hdpa)2 (en)] (1) and [{Cu2 (m-na)4 (CH3OH)2}. 2CH3OH] (2) (where en is ethylene diamine, Hdpa is 2’-carboxy-[1, 10-biphenyl]-2-carboxylate anion and na is 1-naphtalenecarboxylate) have been synthesized and their crystal structures were determined by X-ray crystallography. Complex 1 was prepared from the reaction of Cu(NO3)2. 3H2O with ethylene diamine and 2, 2’-biphenyldicarboxylic acid in a mixture of water and methanol and complex 2 was prepared from the reaction of CuSO4. 5H2O with 1-naphtalenecarboxylic acid in methanol. The two complexes were characterized by IR, UV-vis, luminescence and elemental analysis. Moreover, complex 2 was characterized by EPR spectroscopy and thermogravimetric analysis. Complex 1 is a monomer and complex 2 is a dimer with a paddle-wheel structure; both structures are without precedent in the literature.

 
Keyword(s): COPPER, 2,2'-BIPHENYLDICARBOXYLATE, ETHYLENE DIAMINE, 1-NAPHTALENECARBOXYLATE, CRYSTAL STRUCTURE, LUMINESCENCE, THERMOGRAVIMETRIC
 
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