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- Title
Syntheses, Crystal Structures, and Magnetic Properties of Three 1D Chain Metal-Nitroxide Complexes Bridged by Flexible Dicarboxylate Anions.
- Authors
Chen, Yi-Wen; Wei, Hai-Xia; Wang, Xiu-Guang; Gao, Dong-Zhao; Sun, Ya-Qiu; Zhang, Guo-Ying; Xu, Yan-Yan
- Abstract
Three new one-dimensional (1D) chain metal-nitroxide complexes {[Cu(NIT4Py)2(suc)(H2O)] ·3H2O} n ( 1), {[Cd(NIT4Py)2(suc)(H2O)] ·[Cd(NIT4Py)2(suc)(H2O)2] ·3H2O} n ( 2), and {[Zn(NIT4Py)(glu)(H2O)] ·H2O} n ( 3) [NIT4Py = 2-(4′-pyridyl)-4, 4, 5, 5-tetramethylimidazoline-1-oxyl-3-oxide, suc = succinate anion and glu = glutarate anion] were synthesized and structurally characterized. Single-crystal X-ray analyses indicate that the three complexes crystallize in neutral 1D chains in which the metal-nitroxide units are linked by flexible dicarboxylate anions. The succinate anions only adopt trans configuration in complexes 1 and 2, whereas the glutarate anion has gauche/anti conformation in complex 3. Magnetic measurements show that complex 1 exhibits weak antiferromagnetic interactions between the copper ions and the nitroxides.
- Publication
Zeitschrift für Anorganische und Allgemeine Chemie, 2012, Vol 638, Issue 9, p1328
- ISSN
0044-2313
- Publication type
Article
- DOI
10.1002/zaac.201200056