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Portugaliae Electrochimica Acta

Print version ISSN 0872-1904

Port. Electrochim. Acta vol.21 no.1 Coimbra  2003


Electrochemical Study of Alkynyl Fe(II) Complexes

Ana I.F. Venâncio,a Luísa M.D.R.S. Martinsa,b Armando J.L. Pombeiroa *

a) Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.

b)Secção de Química Inorgânica, DEQ, ISEL, R. Conselheiro Emídio Navarro, 1949-014 Lisboa, Portugal

Received 10 September 2002; accepted in revised form 14 January 2003


The behaviour of the neutral alkynyl complexes trans-[FeBr(L)(depe)2] (L = -C=C-C(=CH2)Ph 1a, -C=C-CPh2(H) 1b; depe = Et2PCH2CH2PEt2) is studied by cyclic voltammetry and the electrochemical PL and EL ligand parameters for the alkynyl ligands are estimated showing that they behave as very strong net electron-donors.

Keywords: alkynyl, anodic behaviour, electrochemical ligand parameters, cyclic voltammetry.

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