期刊
POLYHEDRON
卷 67, 期 -, 页码 11-18出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2013.08.059
关键词
Supramolecular; Dioxomolybdenum; Hydrogen bond; pi-pi Stacking; Electrochemical
Two dioxomolybdenum(VI) complexes, [Mo2O4(HBAP)(2)L] (1) and [MoO2(HMBI)] (2) (HBAP = ((E)-2-(2-hydroxybenzylidene)amino)phenol, HMBI = ((E)-N'-(2-hydroxy-3-ethoxybenzylidene)isonicotinohydrazide) and L = (4,4'-dipyridyl)), have been synthesized and structurally characterized by elemental analysis, H-1 NMR spectroscopy and X-ray single crystal diffraction analysis. In complex (1), a 1D-chain is formed through C center dot center dot center dot H center dot center dot center dot O hydrogen-bonding interactions. In complex (2), a dimer is formed through O center dot center dot center dot H center dot center dot center dot O hydrogen-bonding interactions. This dimer is extended into a 1D chain through secondary C center dot center dot center dot H center dot center dot center dot O hydrogen-bonding interactions, in addition to pi-pi stacking interactions. Electrochemical measurements showed that both complexes undergo an irreversible reduction in DMF solution. The thermogravimetric analyses clearly indicate that the complexes have high thermal stability. (C) 2013 Elsevier Ltd. All rights reserved.
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