Synthesis, Characterization and Crystal Structure of a One-dimensional Diamagnetic Metal-radical Complex: [Zn(NIT4py)2(DTB)2(H2O)2] |
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| Authors: | Chen-Xi Zhang Jing Sheng Yu Ying Zhang |
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| Institution: | (1) School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, People’s Republic of China;(2) Department of Chemistry, Nankai University, Tianjin, 300071, People’s Republic of China |
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| Abstract: | A novel one-dimensional complex Zn(NIT4py)2(DTB)2(H2O)2] (1), with mixed ligands where NIT4py is 2-(4′-pyridyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide and DTB is 3,5-dinitrobenzoate] has been synthesized and characterized by elemental analyses, i.r., u.v.–vis spectra, thermogravimetric analysis, X-ray single crystal diffraction and magnetic measurements. The complex crystallizes in the triclinic crystal system and space group Pî. The Zn II ion is in a distorted octahedral environment: two nitrogen atoms from two NIT4py entities, two oxygen atoms from two DTB units in the basal plane; and two oxygen atoms from the two water molecules in the axial position. The Zn(NIT4py)2(DTB)2(H2O)2] units are connected as a one dimension chain by the intermolecular hydrogen bonds. The complex exhibits intramolecular antiferromagnetic interactions between the two radicals. |
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