Issue 39, 2009

Preparation and structural characterization of a series of monoacylhydrazidate-bridged coordination polymers

Abstract

From the simple hydrothermal reactions of metal salts, organodicarboxylic acids and hydrazine hydrate sometimes in the presence of 1,10-phenanthroline (phen), a series of monoacylhydrazidate-containing complexes including three Pb(II) coordination polymers as 1-D chained [Pb2(PTH)4(phen)2]·H2O (PTH = phthalhydrazidate) 1, 1-D ribboned [Pb(2,3-PDH)2] (2,3-PDH = pyridine-2,3-dicarboxylhydrazidate) 2 and 3-D grid-like [Pb(3,4-PDH)2] (3,4-PDH = pyridine-3,4-dicarboxylhydrazidate) 3 as well as several transition metal complexes as 2-D layered [Cu(PTH)] 4, mononuclear [M(2,3-PDH)2(H2O)2] (M = Mn 5, Co 6 and Zn 7) and mononuclear [Mn(H2O6)] (PTH)2·4H2O 8 were obtained. The monoacylhydrazidate ligands were synthesised from hydrothermal in situ acylation reactions between organodicarboxylic acids and hydrazine hydrate. All of the title compounds were characterized by CHN analysis, IR analysis and TG analysis, and compounds 1–5 were characterized by X-ray single-crystal diffraction. The fluorescence properties of compounds 1 and 4 with the PTH ligand were investigated. TDDFT calculations were carried out on the excited electronic states of compound 4 in order to understand the emission mechanism.

Graphical abstract: Preparation and structural characterization of a series of monoacylhydrazidate-bridged coordination polymers

Supplementary files

Article information

Article type
Paper
Submitted
05 May 2009
Accepted
08 Jul 2009
First published
11 Aug 2009

Dalton Trans., 2009, 8248-8256

Preparation and structural characterization of a series of monoacylhydrazidate-bridged coordination polymers

J. Yu, Y. Zhu, D. Wu, Y. Yu, Q. Hou and J. Xu, Dalton Trans., 2009, 8248 DOI: 10.1039/B908812A

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