Artículo
Bottazzi, T.; Cecchi, F.; Zelcer, A.; Heinrich, B.; Donnio, B.; Guillon, D.; Cukiernik, F.D. "Thermotropic mesomorphism of mixed-valent diruthenium aliphatic carboxylates with axial anion bearing two aliphatic chains" (2013) Journal of Coordination Chemistry. 66(19):3380-3390
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Abstract:
A homologous series of binuclear mixed-valent diruthenium tetracarboxylates, Ru2(O2C(CH2)n-2CH3)4DHDP (DHDP = di(hexadecyl)phosphate axial anion, n = 10, 12, 14, 16, and 18), have been synthesized and characterized, and the liquid crystalline properties of these compounds were examined. All the compounds exhibit a room-temperature crystalline lamellar phase and a high temperature (above 140°) Colh mesophase. Another, probably semi-crystalline, lamellar intermediate phase has also been found for all the studied compounds but for the n = 18 derivative. Comparison with related mesogenic homologous series where the equatorial ligands are also linear carboxylates, but the axial anions bear just one aliphatic chain (carboxylates, octylsulfonate, and dodecylsulfate), shows that the presence of a second aliphatic chain in the axial anion both lowers the transition temperatures and modifies the nature of the intermediate lamellar phase. Structural models at the molecular level are suggested for the crystalline lamellar and the Colh phases. © 2013 Taylor & Francis.
Registro:
| Documento: | Artículo |
| Título: | Thermotropic mesomorphism of mixed-valent diruthenium aliphatic carboxylates with axial anion bearing two aliphatic chains |
| Autor: | Bottazzi, T.; Cecchi, F.; Zelcer, A.; Heinrich, B.; Donnio, B.; Guillon, D.; Cukiernik, F.D. |
| Filiación: | Instituto de Ciencias, Universidad Nacional de General Sarmiento, Los Polvorines, Argentina INQUIMAE, Departamento de Química Inorgánica, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), Université de Strasbourg - CNRS, Strasbourg, France Gerencia Química, Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica, Buenos Aires, Argentina |
| Palabras clave: | Columnar mesophases; Coordination polymers; Di(hexadecyl)phosphate; Metallomesogens; Ruthenium carboxylates |
| Año: | 2013 |
| Volumen: | 66 |
| Número: | 19 |
| Página de inicio: | 3380 |
| Página de fin: | 3390 |
| DOI: | http://dx.doi.org/10.1080/00958972.2013.839783 |
| Título revista: | Journal of Coordination Chemistry |
| Título revista abreviado: | J. Coord. Chem. |
| ISSN: | 00958972 |
| CODEN: | JCCMB |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00958972_v66_n19_p3380_Bottazzi |
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Citas:
---------- APA ----------
Bottazzi, T., Cecchi, F., Zelcer, A., Heinrich, B., Donnio, B., Guillon, D. & Cukiernik, F.D. (2013) . Thermotropic mesomorphism of mixed-valent diruthenium aliphatic carboxylates with axial anion bearing two aliphatic chains. Journal of Coordination Chemistry, 66(19), 3380-3390.http://dx.doi.org/10.1080/00958972.2013.839783
---------- CHICAGO ----------
Bottazzi, T., Cecchi, F., Zelcer, A., Heinrich, B., Donnio, B., Guillon, D., et al. "Thermotropic mesomorphism of mixed-valent diruthenium aliphatic carboxylates with axial anion bearing two aliphatic chains" . Journal of Coordination Chemistry 66, no. 19 (2013) : 3380-3390.http://dx.doi.org/10.1080/00958972.2013.839783
---------- MLA ----------
Bottazzi, T., Cecchi, F., Zelcer, A., Heinrich, B., Donnio, B., Guillon, D., et al. "Thermotropic mesomorphism of mixed-valent diruthenium aliphatic carboxylates with axial anion bearing two aliphatic chains" . Journal of Coordination Chemistry, vol. 66, no. 19, 2013, pp. 3380-3390.http://dx.doi.org/10.1080/00958972.2013.839783
---------- VANCOUVER ----------
Bottazzi, T., Cecchi, F., Zelcer, A., Heinrich, B., Donnio, B., Guillon, D., et al. Thermotropic mesomorphism of mixed-valent diruthenium aliphatic carboxylates with axial anion bearing two aliphatic chains. J. Coord. Chem. 2013;66(19):3380-3390.http://dx.doi.org/10.1080/00958972.2013.839783
