Five-coordinate bis(benzeneseleninato)tris(ethylenediamine) cobalt (II)complexes are obtained by reaction of Co(H2O)2 (XC6 H4 SeO2)2 complexes (X = H, p-Cl, m-CI, p-Br, ni-Br, p-Me,p-NO2) with ethylenediamine. The diaquo complexes (one mole)react with ethylenediamine (three moles)to form O-seleninato derivatives. Spectral and magnetic properties show that the complexes are low-spin (s = 1/2) and,on the basis of the electronic spectra a distorted trigonal geometry,D 3h , is suggested. Assignments for the electronic spectra are proposed. Conductivity data indicate that these derivatives are nonelectrolytes. Both ethylenediamine and [RSeO2 ]– behave as monodentate ligands.
Five-coordinate low-spin cobalt (II) complexes with benzeneseleninato ions and ethylenediamine as ligands / C., Preti; G., Tosi; Zannini, Paolo. - In: TRANSITION METAL CHEMISTRY. - ISSN 0082-5921. - STAMPA. - 2(1977), pp. 232-236.
Data di pubblicazione: | 1977 |
Titolo: | Five-coordinate low-spin cobalt (II) complexes with benzeneseleninato ions and ethylenediamine as ligands |
Autore/i: | C., Preti; G., Tosi; Zannini, Paolo |
Autore/i UNIMORE: | |
Rivista: | |
Volume: | 2 |
Pagina iniziale: | 232 |
Pagina finale: | 236 |
Codice identificativo Scopus: | 2-s2.0-34250287878 |
Citazione: | Five-coordinate low-spin cobalt (II) complexes with benzeneseleninato ions and ethylenediamine as ligands / C., Preti; G., Tosi; Zannini, Paolo. - In: TRANSITION METAL CHEMISTRY. - ISSN 0082-5921. - STAMPA. - 2(1977), pp. 232-236. |
Tipologia | Articolo su rivista |
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