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Synthesis, X-ray crystal structure, spectroscopic characterization, and thermal chemistry of trans-diaqua-bis-(2-hydroxyiminopropionato-N,O) zinc(II), trans-{(H2O)(2) H3CC(=NOH)COO) (2)Zn} - precursor for nano-crystalline zincite

Bagabas, A. A and Apblett, A. W and Shemsi, A. M and Seddigi, Z. S. (2008) Synthesis, X-ray crystal structure, spectroscopic characterization, and thermal chemistry of trans-diaqua-bis-(2-hydroxyiminopropionato-N,O) zinc(II), trans-{(H2O)(2) H3CC(=NOH)COO) (2)Zn} - precursor for nano-crystalline zincite. Main Group Chemistry, 7 (1). pp. 65-81. ISSN 1024-1221

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Abstract

Zinc(II) 2-oximinopropionate dihydrate [Zn(PAO)2(H2O)2] was precipitated by treatment of an aqueous solution of zinc sulfate with sodium pyruvate oxime, Na(PAO) · H2O. The product was characterized by infrared spectroscopy, solid-state carbon-13 nuclear magnetic resonance spectroscopy, X-ray diffraction (XRD), and thermal gravimetric and differential thermal analyses (TGA and DTA). A stepwise decomposition pathway was observed in the TGA trace of this complex. The product produced at each step was investigated by IR, XRD, solid-state, 13C NMR, and scanning and transmission electron microscopy (SEM and TEM). The crystallite size of the zincite was measured by XRD. Surface area of the zincite was also measured. Furthermore, the structure of the Zn(PAO)2(H2O)2 complex was established for the first time by X-ray single crystal diffraction of suitable crystals obtained in aqueous medium.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Physics
Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:7729
Deposited By:JNCASR
Deposited On:14 Nov 2009 08:43
Last Modified:14 Nov 2009 08:43

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