A dimeric Cu(II) acetate complex containing axially coordinated p-pyridyl nitronyl nitroxide radicals: [Cu-II(CH3COO)(2)(NITpPy)](2)

Authors
Dasna, I Golhen, S Ouahab, L Pena, O Daro, N Sutter, JP
Citation
I. Dasna et al., A dimeric Cu(II) acetate complex containing axially coordinated p-pyridyl nitronyl nitroxide radicals: [Cu-II(CH3COO)(2)(NITpPy)](2), NEW J CHEM, 24(11), 2000, pp. 903-906
Citations number
25
Categorie Soggetti
Chemistry
Journal title
NEW JOURNAL OF CHEMISTRY
ISSN journal
11440546 → ACNP
Volume
24
Issue
11
Year of publication
2000
Pages
903 - 906
Database
ISI
SICI code
1144-0546(2000)24:11<903:ADCACC>2.0.ZU;2-I
Abstract
The synthesis, X-ray crystal structure, and magnetic behaviour of a new dim eric copper(II) compound, [Cu-II(CH3COO)(2)(NITpPy)](2), is described. This compound presents a Cu-2(COO)(4) cage in which two copper atoms are linked by CH3COO- anions, yielding a short Cu-Cu distance of 2.6236(12) Angstrom. p-Pyridyl nitronyl nitroxide radicals are localised in the apical position s. The magnetic study shows a strong antiferromagnetic Cu-Cu intradimer int eraction and intermolecular antiferromagnetic interactions between the radi cal units at very low temperature. A Cu(II)-Cu(II) interaction parameter of J=-321 +/-1 cm(-1) was found.