Selenium dibromide and dichloride in acetonitrile
1985; Elsevier BV; Volume: 4; Issue: 1 Linguagem: Inglês
10.1016/s0277-5387(00)84223-0
ISSN1873-3719
Autores Tópico(s)Solid-state spectroscopy and crystallography
ResumoThe nature of 2/1 Cl/Se and Br/Se stoichiometric mixtures in acetonitrile has been studied by UV-visible and Raman spectroscopy. For both mixtures the selenium dihalide has been shown to be the predominant species in solution, although there are other species present in equilibrium with the dihalide, according to 3SeCl2 = Se2Cl2 + SeCl4 2SeBr2 = Se2Br2 + Br2 as demonstrated by both techniques. The Raman spectra of SeCl2 and SeBr2 are given. Force constant calculations show that the bonds in the dihalides are the strongest SeCl and SeBr bonds known.
Referência(s)