The syntheses and properties of complexes of the type Co(NCS)22L (L = thiourea, N-methylthiourea, N,N′-ethylenethiourea, N-ethylthiourea) have been investigated. The thiourea and N-methylthiourea derivatives are octahedral involving polymerization via the sulphur atom of the respective thioureas. These complexes are soluble in various non-aqueous solvents yielding tetrahedral species. The N,N′-ethylenethiourea complex can exist at room temperature both as a blue tetrahedral form and also as a brown-red octahedal modifiication. The octahedral isomer is believed to contain thiocyanato bridging groups. The N-ethylthiourea derivative is unstable and only a blue form-probably tetrahedral-can be isolated. The factors determining the stereochemical arrangements in these complexes are discussed. © 1965.
| Documento: | Artículo |
| Título: | Polymeric complexes of cobalt (II) thiocyanate with thiourea, N-methylthiourea and N,N′-ethylenethiourea |
| Autor: | Yagupsky, G.; Negrotti, R.H.; Levitus, R. |
| Filiación: | Department of Inorganic Chemistry, University of Buenos Aires, Perú, 222 Buenos Aires, Argentina |
| Año: | 1965 |
| Volumen: | 27 |
| Número: | 12 |
| Página de inicio: | 2603 |
| Página de fin: | 2616 |
| DOI: | http://dx.doi.org/10.1016/0022-1902(65)80164-6 |
| Título revista: | Journal of Inorganic and Nuclear Chemistry |
| ISSN: | 00221902 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00221902_v27_n12_p2603_Yagupsky |
