On the molecular structure of gold(I) complexes with heterocyclic thiones. The structure of Au bis(1,3-thiazolidine-2-thione)2 chloride hydrate (Journal article)

Akrivos, P. D./ Hadjikakou, S. K./ Karagiannidis, P./ Gdaniec, M./ Kosturkiewicz, S.

The preparation of a seies of gold(I) coordination compounds with heterocyclic thiones is reported. The crystal structure of the coordination compound with 1,3-thiazolidine-2-thione (tztH) was determined. The S"”Au"”S angle is 176.52(2)Β° and the two Au"”S distances are 2.281(5) and 2.288(5) Γ…, respectively, giving rise to the usual linear gold(I) environment. Extended HΓΌckel computations on both the model and the observed Au(thione)2 cationic unit are used in an attempt to unravel the factors influencing the local and overall molecular structure observed, which is determined by an extended hydrogen-bond network. On the grounds of these computations and the existing strutural evidence, it is concluded that hydrogen bonds formed by the coordinated thione ligands determine the geometry adopted by these and analogous compounds.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας
URI: https://olympias.lib.uoi.gr/jspui/handle/123456789/8674
ISSN: 0277-5387
Publisher: Elsevier
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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