Chemistry of iron complexes—II. Spectroscopic, magnetic and other studies of new complexes of iron(III) with bis(tertiary phosphine/arsine oxides)

✍ Scribed by T.S. Lobana; H.S. Cheema; S.S. Sandhu

• Publisher: Elsevier Science
• Year: 1986
• Tongue: English
• Weight: 272 KB
• Volume: 42
• Category: Article
• ISSN: 1386-1425
• DOI: 10.1016/0584-8539(86)80030-7

✦ Synopsis

Spectroscopic (i.r., far i.r., ESR, u.v.-vis)

, magnetic, TGA, molar conductance and X-ray diffraction studies of new complexes of iron(III) halides with bis(tertiary phosphine/arsine oxides) Ph2E(O)(CH2),E(O)Phz(L-L ) have been reported. The complexes are of the types: (a) [Fe(L-L)2CI] [FeCI4]2 (n = 2,4; E = As) and (b) [Fe(L-L)2Br2 ] [FeBr4] [E, n:P (1,2,4,6); As(2,4)]. The cations [Fe(L-L)2Br2] + were assigned a trans octahedral structure. The far i.r. data support chloro-bridged octahedral structures for the cations [Fe(L-L)2CI] z+.