Issue 44, 2014

Effect of co-crystallization of ethanol, pyridine and 2,2′-bipyridine on molecular aggregation in bis(1,2,3,4-tetrahydroquinolinedithiocarbamato-S,S′)mercury(ii) and synthesis of HgS nanoparticles

Abstract

[Hg(thqdtc)2] (1) and [Hg(thqdtc)2(2,2′-bipy)] (2) (where thqdtc = 1,2,3,4-tetrahydrquinolinecarbodithioate and 2,2′-bipy = 2,2′-bipyridine) have been prepared and characterized. Single crystal X-ray structural analysis show that [Hg(thqdtc)2]·0.5(2,2′-bipy) (3), [Hg(thqdtc)2]·0.25C2H5OH (4) and [Hg3(thqdtc)6]·py (5) exist as monomer, dimer and trimer, respectively. Co-crystallization of 2,2′-bipyridine, ethanol and pyridine (py) with [Hg(thqdtc)2] causes a change in secondary interactions and hence, different structural motifs are obtained. Complexes 1 and 2 have been used as single source precursors for the preparation of HgS nanoparticles. The nanoparticles have been characterized by XRD, TEM, UV and fluorescence spectra. Use of 1 for the preparation of mercury sulfide afforded hexagonal shape HgS nanosheets and three different morphology HgS nanoparticles are obtained from 2; most of the crystallites are rod while the remainders are hexagonal and rectangle sheets.

Graphical abstract: Effect of co-crystallization of ethanol, pyridine and 2,2′-bipyridine on molecular aggregation in bis(1,2,3,4-tetrahydroquinolinedithiocarbamato-S,S′)mercury(ii) and synthesis of HgS nanoparticles

Supplementary files

Article information

Article type
Paper
Submitted
05 Mar 2014
Accepted
09 May 2014
First published
13 May 2014

RSC Adv., 2014,4, 22971-22979

Author version available

Effect of co-crystallization of ethanol, pyridine and 2,2′-bipyridine on molecular aggregation in bis(1,2,3,4-tetrahydroquinolinedithiocarbamato-S,S′)mercury(II) and synthesis of HgS nanoparticles

N. Srinivasan, S. Thirumaran and S. Ciattini, RSC Adv., 2014, 4, 22971 DOI: 10.1039/C4RA01913J

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