Synthesis, structural characterisation and study of mercury(II) iodide complexes with the heterocyclic thioamides pyridine-2-thione (pytH) and thiazolidine-2-thione (tzdtH). Crystal structures of [HgI2(pytH)(2)] and [HgI2(tzdtH)(2)] (Journal article)

Hadjikakou, S. K./ Xanthopoulou, M. N./ Hadjiliadis, N./ Kubicki, M.

Direct reaction of mercury(H) iodide with pyridine-2-thione (pytH) or thiazoline-2-thione (tzdtH) in a 1:2 molar ratio, results in the formation of [HgI2(PytH)(2)] (1) and [HgI2(tzdtH)(2)] (2), respectively. The complexes have been characterised by elemental analysis and FT-Raman, FT-IR, UV-Vis and H-1, Hg-119-NMR spectroscopy. Crystal structures Of [bis (pyridine-2-thione) di-iodo mercury(II)] (1) and [bis(thiazolidine-2-thione) di-iodo mercury(II)] (2) complexes have been determined by x-ray diffraction at 100(1) K and 293(2) K respectively. Molecules (1) and (2) are monomers with a tetrahedral geometry around the metal ion with two iodine and two sulphur atoms co-ordinated to mercury(II). An extended intermolecular linkage via N-(HI)-I-... or N-(HS)-S-... interactions leads to an one dimensional extended lattice structure in case of complex (2), and a three dimensional extended network in case of complex (1). The light sensitivity of the complex (1) is also evaluated.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας
Keywords: mercury(ii) complexes,s- ligands,pyrimidine-2-thione,thiazoline-2-thione,crystal structures,photo-decomposition,group-12 metals,electrochemical synthesis,photoredox chemistry,1/2 complexes,part 3,160 k,thiones,halides,1,3-thiazolidine-2-thione,triphenylphosphine
URI: https://olympias.lib.uoi.gr/jspui/handle/123456789/9516
ISSN: 1205-6685
Link: <Go to ISI>://000183264400008
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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