| Journal: | Ecletica quimica |
| Database: | PERIÓDICA |
| System number: | 000366666 |
| ISSN: | 0100-4670 |
| Authors: | Ferenc, W1 Bernat, M1 Sarzynski, J2 Paszkowska, B1 |
| Institutions: | 1Maria Curie-Sklodowska University, Faculty of Chemistry, Lublin. Polonia 2Maria Curie-Sklodowska University, Faculty of Physics, Lublin. Polonia |
| Year: | 2008 |
| Season: | Ene-Mar |
| Volumen: | 33 |
| Number: | 1 |
| Pages: | 7-14 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Experimental, aplicado |
| English abstract | The complexes of 4-chlorophenoxyacetates of Mn(II), Co(II), Ni(II) and Cu(II) have been synthesized as polycrystalline solids, and characterized by elemental analysis, spectroscopy, magnetic studies and also by X-ray diffraction and thermogravimetric measurements. The analysed complexes have the following colours: pink for Co(II), green for Ni(II), blue for Cu(II) and a pale pink for Mn(II) compounds. The carboxylate group binds as monodentate and bidentate ligands. On heating to 1173K in air the complexes decompose in several steps. At first, they dehydrate in one step to anhydrous salts, that next decompose to the oxides of respective metals. Their magnetic moments were determined in the range of 76-303K. The results reveal them to be high-spin complexes of weak ligand fields |
| Disciplines: | Química |
| Keyword: | Química organometálica, 4-clorofenoxiacetato, Complejos organometálicos, Manganeso, Cobalto, Níquel, Cobre, Estabilidad térmica, Propiedades magnéticas |
| Keyword: | Chemistry, Organometallic chemistry, 4-chlorophenoxyacetate, Organometallic complexes, Manganese, Cobalt, Nickel, Copper, Thermal stability, Magnetic properties |
| Full text: | Texto completo (Ver HTML) |
