Preparation, thermal analysis and spectral characterization of the 1:1 complexes of mercury(II) halides and pseudohalides with 3,4,5,6-tetrahydropyrimidine-2-thione. Crystal structures of bis(3,4,5,6-tetrahydropyrimidine-2-thione-s)mercury(II) tetrachloro and tetrabromomercurate(II)
- Author(s)
- Zora Popovic, Dubravka Matkovic-Calogovic, Gordana Pavlovic, Zeljka Soldin, Gerald Giester, Masa Rajic, D Vikic-Topic
- Abstract
Mercury(II) complexes of the type HgX2(H4pymtH) (X = Cl-, Br-, I-, SCN-, CN-; H4pymtH = 3,4,5,6-tetrahydropyrimidine-2-thione) have been obtained and structurally characterized by X-ray diffraction, IR, 1H and 13C NMR spectroscopy. Single crystal X-ray structure analysis was performed for the chloro and bromo complexes, which were found to be isostructural. Their crystal structures consist of [Hg(H4pymtH)2]2+ complex cations and [HgX4]2- complex anions interconnected by Hg?X contacts into puckered sheets. The crystal structure of H4pymtH has been redetermined to greater accuracy. In solution NMR spectra of complexes, the greatest complexation effects were found on the 13C chemical shift of the thioketo-carbon atom and on the 1H chemical shift of the NH protons.
- Organisation(s)
- Department of Mineralogy and Crystallography
- External organisation(s)
- University of Zagreb, Brodarski Institute, Marine Research and Special Technologies, Rudjer Boskovic Institute
- Journal
- Croatica Chemica Acta
- Volume
- 74
- Pages
- 359-380
- No. of pages
- 22
- ISSN
- 0011-1643
- Publication date
- 2001
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 1051 Geology, Mineralogy
- Portal url
- https://ucrisportal.univie.ac.at/en/publications/6ed67e0b-4bec-4645-8d4f-9c2a402f56db