J. Iran. Chem. Soc., Vol. 7, No. 2 June 2010, pp.510~515.

Current location: JICS Archive > Vol. 7 > No. 2 > Articles : 26

Hydrothermal Synthesis, Crystal Structure and Photoluminescence of [HgCl2(C6NO2H5)]nn[HgCl2]n(C6NO2H5)

W.-T. Chen*, S.-M. Ying, D.-S. Liu, J.-H. Liu and H.-M. Kuang

School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Coordination Chemistry, Jinggangshan University, 343009, Ji’an, Jiangxi, P.R. China

     The first example of isonicotinic acid compounds with infinite mercury halide chains, [HgCl2(C6NO2H5)]n n[HgCl2]n(C6NO2H5) (1), was synthesized through hydrothermal reactions and structurally characterized by X-ray single crystal diffraction. Compound 1 features a one-dimensional (1-D) motif, based on infinite 1-D [HgCl2(C6NO2H5)]n chains, neutral HgCl2 moieties and isolated isonicotinic acid molecules. The [HgCl2(C6NO2H5)]n chains, HgCl2 moieties and isonicotinic acid molecules are interlinked by hydrogen bonds and π-π interactions to give a two-dimensional supramolecular layer. Photoluminescent investigation reveals that the title compound exhibits a strong emission in blue region. The emission band is identified as the π-π* transitions of the isonicotinic acid moieties.

Keywords: Crystal structure, Hydrothermal reaction, Isonicotinic acid, Mercury, Photoluminescence

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