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Crystal structures, spectroscopic and magnetic behaviour of dimeric copper(II) 2-methylthionicotinate adducts with dimethylformamide and dimethylsulfoxide.
Autorzy
Rok wydania
2002
Czasopismo
Zeitschrift für Anorganische und Allgemeine Chemie
Numer woluminu
628
Strony
2862-2868
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The structural, spectroscopic and magnetic properties of two dimeric complexes, [Cu2(2-MeSnic)4(DMSO)2] (I) and [Cu2(2-MeSnic)4(DMF)2] (II) (where 2-MeSnic = 2-methylthionicotinate, DMF = dimethylformamide and DMSO = dimethylsulfoxide), are reported. The characterization is based on elemental analysis, infrared, electronic and EPR spectra, and magnetic susceptibility measurements over a temperature range of 1.9 — 300 K. Both complexes adopt dimeric paddle-wheel cage structures as revealed by X-ray structure analysis. The dimeric molecule of I is centrosymmetric and centred at the inversion center of the space group P 21/c (Z = 2), while the structure of II contains a crystallographically independent molecule IIa, and a centrosymmetrical molecule IIb which is centred at the inversion centre of the space group P 21/n (Z = 6).
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