Abstract:
The redox systems [(NC)5Fe(μ-L)Fe(CN)5])6-/5-/4- with L=pyrazine (1n), 4,4′-bipyridine (2n) or 1,2-bis(4-pyridyl)ethene (3n), and [(NC)4Fe(μ-bmtz)Fe(CN)4]5-/4-/3- (4n) with bmtz=3,6-bis(2-pyrimidyl)-1,2,4,5-tetrazine were studied in acetonitrile and other aprotic solvents. The comproportionation constants Kc for the mixed-valent diiron(III, II) intermediates vary from less than 10 for 35- via 106.5 for 15- to 1014.1 for 43-. Intervalence charge transfer band maxima lie between 1270 nm (25-) and 2475 nm (15-). In comparison with previous results from aqueous solutions, the system 1n in particular shows increased metal-metal interaction. UV-Vis and IR spectroelectrochemistry suggest a localized/delocalized borderline sitation for 15- in acetonitrile, with only slightly weaker metal-metal coupling than in the related Creutz-Taube ion. The results illustrate how the established strong solvent sensitivity of cyanoiron complexes can be exploited in mixed-valence chemistry. © 1999 Elsevier Science S.A.
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Documento: |
Artículo
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Título: | Widely differing stabilities of molecule-bridged cyanodiiron(III, II) species in non-aqueous solvents |
Autor: | Ketterle, M.; Kaim, W.; Olabe, J.A.; Parise, A.R.; Fiedler, J. |
Filiación: | Inst. für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, Stuttgart D-70550, Germany Depto. de Quim. Inorgánica, Analitica Y Quim. Fis. (I., Capital Federal, Argentina J. Heyrovsky Inst. of Phys. Chem., Acad. of Sci. of the Czech Republic, Dolejškova 3, Prague CZ-18223, Czech Republic
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Palabras clave: | Cyano complexes; Iron complexes; Mixed-valence complexes; Spectroelectrochemistry |
Año: | 1999
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Volumen: | 291
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Número: | 1-2
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Página de inicio: | 66
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Página de fin: | 73
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Título revista: | Inorganica Chimica Acta
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Título revista abreviado: | Inorg. Chim. Acta
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ISSN: | 00201693
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CODEN: | ICHAA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00201693_v291_n1-2_p66_Ketterle |
Referencias:
- Creutz, C., (1983) Progr. Inorg. Chem., 30, p. 1
- Crutchley, R.J., (1994) Adv. Inorg. Chem., 41, p. 273
- Creutz, C., Chou, M.H., (1987) Inorg. Chem., 26, p. 2995
- Lay, P.A., Magnuson, R.H., Taube, H., (1988) Inorg. Chem., 27, p. 2364
- Felix, F., Hauser, U., Siegenthaler, H., Wenk, F., Ludi, A., (1975) Inorg. Chim. Acta, 15, p. 7
- Felix, F., Ludi, A., (1978) Inorg. Chem., 17, p. 1782
- Hornung, F.M., Baumann, F., Kaim, W., Olabe, J.A., Slep, L.D., Fiedler, J., (1998) Inorg. Chem., 37, p. 311. , and 5402
- Ketterle, M., Kaim, W., Fiedler, J., (1998) J. Chem. Soc., Chem. Commun., p. 1701
- Kaim, W., Fees, J., (1995) Z. Naturforsch., Teil B, 50, p. 123
- Sutton, J.E., Taube, H., (1981) Inorg. Chem., 20, p. 3125
- Toma, H.E., Takasugi, M.S., (1983) J. Solution Chem., 12, p. 547
- (1989) J. Solution Chem., 18, p. 576
- Burgess, J., Chambers, J.G., Haines, R.I., (1981) Transition Met. Chem., 6, p. 145
- Timpson, C.J., Bignozzi, C.A., Sullivan, B.P., Kober, E.M., Meyer, T.J., (1996) J. Phys. Chem., 100, p. 2915
- Happe, R.P., Rosenboom, W., Pierik, A.J., Albracht, S.P.J., Bagley, K.A., (1997) Nature, 385, p. 126. , and Refs. therein
- Feelisch, M., Stamler, J.S., (1996) Methods in Nitric Oxide Research, , (Eds.), Wiley, Chichester
- Itaya, K., Uchida, I., Neff, V.D., (1986) Acc. Chem. Res., 19, p. 162
- Vahrenkamp, H., Geiß, A., Richardson, G.N., (1997) J. Chem. Soc., Dalton Trans., p. 3643
- Dunbar, K.R., Heintz, R.A., (1997) Prog. Inorg. Chem., 45, p. 283
- Iwamoto, T., Nishikiori, S., Kitazawa, T., Yuge, H., (1997) J. Chem. Soc., Dalton Trans., p. 4127
- Hofmann, K.A., (1900) Liebigs Ann., 312, p. 1
- Brewer, K., Murphy W.R., Jr., Petersen, J.D., (1987) Inorg. Chem., 26, p. 3376
- Krejcik, M., Danek, M., Hartl, F., (1991) J. Electroanal. Chem. Interfac. Electrochem., 317, p. 179
- Kaim, W., Ernst, S., Kasack, V., (1990) J. Am. Chem. Soc., 112, p. 173
- Toma, H.E., Takasugi, M.S., (1989) Polyhedron, 8, p. 941
- Gutmann, V., Resch, G., Linert, W., (1982) Coord. Chem. Rev., 43, p. 133
- Marcus, Y., (1993) Chem. Soc. Rev., p. 409
- Naklicki, M.L., Crutchley, R.J., (1994) Inorg. Chim. Acta, 225, p. 123
- Kaim, W., (1982) Chem. Ber., 115, p. 910
- Poppe, J., Moscherosch, M., Kaim, W., (1993) Inorg. Chem., 32, p. 2640
- Roche, S., Yellowlees, L.J., Thomas, J.A., (1998) J. Chem. Soc., Chem. Commun., p. 1429
- Waldhör, E., Kaim, W., Olabe, J.A., Slep, L.D., Fiedler, J., (1997) Inorg. Chem., 36, p. 2969
- Stebler, A., Ammeter, J.H., Fürholz, U., Ludi, A., (1984) Inorg. Chem., 23, p. 2764
- Kaim, W., (1987) Coord. Chem. Rev., 76, p. 187
- Spreer, L.O., Li, A., MacQueen, D.B., Allan, C.B., Otvos, J.W., Calvin, M., Frankel, R.B., Papaefthymiou, G.C., (1994) Inorg. Chem., 33, p. 1753
- Müller, M., Bill, E., Weyhermüller, T., Wieghardt, K., (1997) J. Chem. Soc., Chem. Commun., p. 705
- Coat, F., Guillevic, M.-A., Toupet, L., Paul, F., Lapinte, C., (1997) Organometallics, 16, p. 5988
- Orme-Johnson, W.H., Sands, R.H., (1973) Iron Sulfur Proteins, 3. , Lovenberg W. New York: Academic Press
- Staal, L.H., Stufkens, D.J., Oskam, A., (1978) Inorg. Chim. Acta, 26, p. 255
- Balk, R., Stufkens, D.J., Oskam, A., (1978) Inorg. Chim. Acta, 28, p. 133
- Alexander, J.J., Gray, H.B., (1968) J. Am. Chem. Soc., 90, p. 4260
- Baumann, F., Kaim, W., Garcia Posse, M., Katz, N.E., (1998) Inorg. Chem., 37, p. 6
- Kaim, W., Bruns, W., Kohlmann, S., Krejcik, M., (1995) Inorg. Chim. Acta, 229, p. 143
- Atwood, C.G., Geiger, W.E., (1993) J. Am. Chem. Soc., 115, p. 5310
- Chin, T.T., Lovelace, S.R., Geiger, W.E., Davis, C.M., Grimes, R.N., (1994) J. Am. Chem. Soc., 116, p. 9359
- Pierce, D.T., Geiger, W.E., (1994) Inorg. Chem., 33, p. 373
- Bruns, W., Kaim, W., Waldhör, E., Krejcik, M., (1995) Inorg. Chem., 34, p. 663
- Demadis, K.D., Neyhart, G.A., Kober, E.M., Meyer, T.J., (1998) J. Am. Chem. Soc., 120, p. 7121
Citas:
---------- APA ----------
Ketterle, M., Kaim, W., Olabe, J.A., Parise, A.R. & Fiedler, J.
(1999)
. Widely differing stabilities of molecule-bridged cyanodiiron(III, II) species in non-aqueous solvents. Inorganica Chimica Acta, 291(1-2), 66-73.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00201693_v291_n1-2_p66_Ketterle [ ]
---------- CHICAGO ----------
Ketterle, M., Kaim, W., Olabe, J.A., Parise, A.R., Fiedler, J.
"Widely differing stabilities of molecule-bridged cyanodiiron(III, II) species in non-aqueous solvents"
. Inorganica Chimica Acta 291, no. 1-2
(1999) : 66-73.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00201693_v291_n1-2_p66_Ketterle [ ]
---------- MLA ----------
Ketterle, M., Kaim, W., Olabe, J.A., Parise, A.R., Fiedler, J.
"Widely differing stabilities of molecule-bridged cyanodiiron(III, II) species in non-aqueous solvents"
. Inorganica Chimica Acta, vol. 291, no. 1-2, 1999, pp. 66-73.
Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00201693_v291_n1-2_p66_Ketterle [ ]
---------- VANCOUVER ----------
Ketterle, M., Kaim, W., Olabe, J.A., Parise, A.R., Fiedler, J. Widely differing stabilities of molecule-bridged cyanodiiron(III, II) species in non-aqueous solvents. Inorg. Chim. Acta. 1999;291(1-2):66-73.
Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00201693_v291_n1-2_p66_Ketterle [ ]