Naslov
FIRST CRYSTAL STRUCTURE OF OXALATE-BRIDGED [Cu(II)Cr(III)Cu(II)] SYSTEM

Autori
Jurić, Marijana ; Planinić, Pavica ; Brničević, Nevenka ; Milić, Dalibor ; Pajić, Damir

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
1st European Chemistry Congress - ABSTRACT BOOK / - , 2006, 362-362

Skup
1st European Chemistry Congress

Mjesto i datum
Budimpešta, Mađarska, 27.08.2006. - 31.08.2006

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
Copper complexes; Chromium complexes; Ferromagnetic interaction

Sažetak
The design of molecule-based magnetic materials has become one of the most stimulating challenges for chemists nowadays [1]. In synthesizing homo- and heteropolynuclear complexes a very essential role belongs to the oxalate ion, (C_2O_4)^2-, for its ability to adopt bis(chelating) coordination mode as well as to mediate magnetic interactions between paramagnetic metal centres. On that account, stable mononuclear anionic oxalate complexes are often used as ligands toward the second metal ion. Related to our current magneto-structural studies on the polynuclear transition metal complexes, the heterometallic compound [(Cu(mi-C_2O_4)(bpy)_2)_2Cr(C_2O_4)]NO_3xH_2O (bpy = 2, 2'-bipyridine) has been synthesized using the [Cr(C_2O_4)_3]^3- anion as the building block. The structural data of the complex have been correlated with magnetic and spectroscopic measurements. The central [Cr(C_2O_4)_3]^3- unit acts as a bridge between two copper(II) ions. Analysis of magnetic data (1.8-290 K) showed the ferromagnetic exchange interaction between Cu(II) and Cr(III). [1] Kahn O.: Molecular Magnetism, Wiley-VCH, New York, 1993.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija

POVEZANOST RADA