Electronic structure of cyano-bridged dinuclear iron complexes

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A series of complexes of formula [(NC)5FenII-NC-FeII (CN)4L]n-, with L = H2O, pyridine, isonicotinamide and 4-cyanopyridine were prepared in aqueous solution by substitution of the corresponding [FeII(CN)5L]n- ions into [FeII(CN)5H2O]3-. The mixed valent (II, III) and fully oxidized (III, III) compl...

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Detalles Bibliográficos
Autor principal: Souto, M.F
Otros Autores: Cukiernik, F.D, Forlano, P., Olabe, J.A
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Taylor and Francis Ltd. 2001
Acceso en línea:Registro en Scopus
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Registro en la Biblioteca Digital
Aporte de:Registro referencial: Solicitar el recurso aquí
Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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024 7 |2 scopus  |a 2-s2.0-0035760049 
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030 |a JCCMB 
100 1 |a Souto, M.F. 
245 1 0 |a Electronic structure of cyano-bridged dinuclear iron complexes 
260 |b Taylor and Francis Ltd.  |c 2001 
270 1 0 |m Olabe, J.A.; Departamento de Quimica Inorganica, Analitica y Quim. Fisica/INQUIMAE, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina; email: olabe@q3.feen.uba.ar 
506 |2 openaire  |e Política editorial 
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504 |a Binstead, R.A., Spectrum Software Associates, , Chapel Hill, NC 
504 |a Parise, A.R., Pollak, S., Slep, L.D., Olabe, J.A., (1995) An. Asoc. Quím. Arg., 83, p. 211 
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520 3 |a A series of complexes of formula [(NC)5FenII-NC-FeII (CN)4L]n-, with L = H2O, pyridine, isonicotinamide and 4-cyanopyridine were prepared in aqueous solution by substitution of the corresponding [FeII(CN)5L]n- ions into [FeII(CN)5H2O]3-. The mixed valent (II, III) and fully oxidized (III, III) complexes were also obtained. The (II, II) complexes were moderately stable toward dissociation into the mononuclear species, but the mixed-valent ions were properly characterized by UV-vis-NIR spectroscopy and electrochemistry. Distinctive intervalence (IV) bands were assigned in the NIR region, with the energy being dependent on the binding properties of L; the IV band energy also correlated with the redox potential at the [NC-Fe(CN)4L] fragment. By application of the Hush model, a valence-trapped situation was found for the [(NC)5FeIII-FeII (CN)4L]n- ions. The class II behavior shows, however, a value of Hab, the electronic coupling factor, of ca. 1600cm-1, indicating a moderate-to-strong communication between the metal centers.  |l eng 
536 |a Detalles de la financiación: Universidad de Buenos Aires 
536 |a Detalles de la financiación: National IT Industry Promotion Agency, NIPA 
536 |a Detalles de la financiación: National Council for Scientific Research 
536 |a Detalles de la financiación: Agencia Nacional de Promoción Científica y Tecnológica 
536 |a Detalles de la financiación: We acknowledge the National Scientific Council (Conicet), the National Agency for Science Promotion (ANPCyT) and the University of Buenos Aires for continuous iinancial support. Fundaci6n Antorchas supported a reentry grant for FDC. JAO and FDC are members of the scientific staff of Conicet. 
593 |a Departamento de Quimica Inorganica, Analitica y Quim. Fisica/INQUIMAE, Pabellón 2, Ciudad Universitaria, C1428EHA Buenos Aires, Argentina 
690 1 0 |a CYANIDE COMPLEXES 
690 1 0 |a CYANO-BRIDGED COMPLEXES 
690 1 0 |a IRON-CYANIDE COMPLEXES 
690 1 0 |a MIXED-VALENCE 
690 1 0 |a IRON COMPLEX 
690 1 0 |a NITRILE 
690 1 0 |a AQUEOUS SOLUTION 
690 1 0 |a ARTICLE 
690 1 0 |a CHEMICAL ANALYSIS 
690 1 0 |a CHEMICAL STRUCTURE 
690 1 0 |a OXIDATION 
690 1 0 |a OXIDATION REDUCTION POTENTIAL 
700 1 |a Cukiernik, F.D. 
700 1 |a Forlano, P. 
700 1 |a Olabe, J.A. 
773 0 |d Taylor and Francis Ltd., 2001  |g v. 54  |h pp. 343-353  |k n. 3-4  |p J. Coord. Chem.  |x 00958972  |w (AR-BaUEN)CENRE-5510  |t Journal of Coordination Chemistry 
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856 4 0 |u https://doi.org/10.1080/00958970108022647  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_00958972_v54_n3-4_p343_Souto  |y Handle 
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