Silver(I) complexes with heterocyclic thiones and tertiary phosphines as ligands. Part 4. Dinuclear complexes of silver(I) bromide: the crystal structure of bis[bromo-(pyrimidine-2-thione)(triphenylphosphine)silver(I)] (Journal article)

Cox, P. J./ Aslanidis, P./ Karagiannidis, P./ Hadjikakou, S.

Mixed-ligand complexes of the formula [Ag(PPh3)(L)Br](2) were obtained by treatment of various heterocyclic thiones L (L = pyridine-2-thione (py2SH), pyrimidine-2-thione (pymtH), bent-1,3-imidazoline-2-thione (bzimtH(2)), benz-1,3-thiazoline-2-thione (bztztH). 1-methyl-1,3-imidazoline-2-thione (meimtH) and 5-methoxy-benz-1,3-imidazoline-2-thione (5MeObzimtH(2))) with equivalent quantities of silver(I) bromide and triphenylphosphine in dry acetone. The compounds were characterized by their IR, far-IR, UV-Vis and H-1 NMR spectroscopic data. The crystal structure of [Ag(PPh3)(pymtH)Br](2) was determined by single-crystal X-ray diffraction methods. The complex exhibits a planar Ag2Br2 moiety in which each of the doubly bromine-bridged Ag(I) centres is further bonded to one phosphine P and one thione S atom. (C) 2000 Elsevier Science B.V. All rights reserved.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας
Keywords: crystal structures,heterocyclic thione complexes,photolysis,silver(i) bromide complexes,triphenylphosphine complexes,copper(i) bromide,cu(i) complexes,mononuclear,triphenylphosphine
ISSN: 0020-1693
Link: <Go to ISI>://000166250900023
Publisher: Elsevier
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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