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Issue 23, 2012
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Synthesis, structural characterization and photoluminescence property of four di(mono)acylhydrazidate-coordinated Cd2+ and Zn2+ compounds

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Abstract

Under hydrothermal conditions, the simple reactions between metal salts, aromatic polycarboxylic acids (4,4′-diphthalic anhydride ketone, dphahk; 4,4′-sulfoyldiphthalic anhydride, sdpha; pyridine-2,3-dicarboxylic acid, pdca) and N2H4·H2O with or without the presence of phenanthroline·H2O (phen) yielded four di(mono)acylhydrazidate-coordinated Cd2+/Zn2+ compounds as [Cd(DPHKH)(phen)]·1.75H2O 1, [Zn3(DPHKH)2(HDPHKH)2(phen)2]·8H2O 2, [Cd(SDPTH)(phen)(H2O)]·H2O 3 and [Zn(PDH)2(H2O)2] 4 (DPHKH = 4,4′-diphthalhydrazidatoketone hydrazone; SDPTH = 4,4′-sulfoyldiphthalhydrazidate; PDH = pyridine-2,3-dicarboxylhydrazidate). The di(mono)acylhydrazide molecules in the title compounds originated from the hydrothermal in situ acylation reactions of aromatic polycarboxylic acids with N2H4·H2O. It is noteworthy that another kind of hydrothermal in situ reaction was also observed when preparing compounds 1 and 2, namely the nucleophilic addition reaction between the keto group (of dphahk) and N2H4. The photoluminescence analysis indicates that the compounds in the different states (in the solid state or in aqueous solution) may exhibit different emission behaviors.

Graphical abstract: Synthesis, structural characterization and photoluminescence property of four di(mono)acylhydrazidate-coordinated Cd2+ and Zn2+ compounds

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Publication details

The article was received on 08 Aug 2012, accepted on 17 Sep 2012 and first published on 19 Sep 2012


Article type: Paper
DOI: 10.1039/C2CE26263K
Citation: CrystEngComm, 2012,14, 8162-8172
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    Synthesis, structural characterization and photoluminescence property of four di(mono)acylhydrazidate-coordinated Cd2+ and Zn2+ compounds

    J. Jin, F. Bai, G. Li, M. Jia, J. Zhao, H. Jia, J. Yu and J. Xu, CrystEngComm, 2012, 14, 8162
    DOI: 10.1039/C2CE26263K

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