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Abstract:

The reaction of dirhodium tetrakis(3,4,5-trialkoxy)benzoates Rh 2 (B3OCn) 4 (n = 10, 14, and 18) with three different dinitrogenated axial ligands (L ax ), namely tetrazine (tz), phenazine (phz), and 4,4′-bipyridine (bpy), gave rise to three homologous series of mesogenic coordination polymers, [Rh 2 (B3OCn) 4 ]L ax . All of them exhibited thermotropic columnar mesophases that were of the hexagonal type for tz and phz and rectangular for bpy. The lighter n = 10 homologs of the three series are liquid crystals (LC) at room temperature. Their mesomorphic properties have been compared with those of the previously studied L ax = pyrazine series. Models for the supramolecular organization of the three polymeric series in their Col LC phases are proposed on the basis of their structural parameters, as measured by XRD and SAXS. The differences are interpreted in terms of different coordination features of the axial ligands. © 2017 Informa UK Limited, trading as Taylor & Francis Group.

Registro:

Documento: Artículo
Título:Liquid-crystalline coordination polymers based on tetra(Alkoxybenzoato)dirhodium(II) complexes axially linked by tetrazine, phenazine and 4,4′-bipyridine
Autor:Rossi, L.; Huck-Iriart, C.; Castro, M.A.; Cukiernik, F.D.
Filiación:Facultad de Ciencias Exactas y Naturales, DQIAQF, Universidad de Buenos Aires, Buenos Aires, Argentina
Instituto de Química Física de los Materiales, Medio Ambiente y Energía (INQUIMAE), CONICET - Universidad de Buenos Aires, Buenos Aires, Argentina
Escuela de Ciencia y Tecnología, Universidad Nacional de San MartínProvincia de Buenos Aires, Argentina
Facultad de Ciencias Exactas, Departamento de Química, INIFTA, CONICET - Universidad Nacional de La Plata, La Plata, Argentina
Palabras clave:Bimetallic carboxylates; Columnar mesophases; Coordination polymers; Metal-metal bond; Metallomesogens; Nitrogenated axial ligands; Structural models
Año:2017
Volumen:70
Número:21
Página de inicio:3633
Página de fin:3649
DOI: http://dx.doi.org/10.1080/00958972.2017.1403594
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_v70_n21_p3633_Rossi

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Citas:

---------- APA ----------
Rossi, L., Huck-Iriart, C., Castro, M.A. & Cukiernik, F.D. (2017) . Liquid-crystalline coordination polymers based on tetra(Alkoxybenzoato)dirhodium(II) complexes axially linked by tetrazine, phenazine and 4,4′-bipyridine. Journal of Coordination Chemistry, 70(21), 3633-3649.
http://dx.doi.org/10.1080/00958972.2017.1403594
---------- CHICAGO ----------
Rossi, L., Huck-Iriart, C., Castro, M.A., Cukiernik, F.D. "Liquid-crystalline coordination polymers based on tetra(Alkoxybenzoato)dirhodium(II) complexes axially linked by tetrazine, phenazine and 4,4′-bipyridine" . Journal of Coordination Chemistry 70, no. 21 (2017) : 3633-3649.
http://dx.doi.org/10.1080/00958972.2017.1403594
---------- MLA ----------
Rossi, L., Huck-Iriart, C., Castro, M.A., Cukiernik, F.D. "Liquid-crystalline coordination polymers based on tetra(Alkoxybenzoato)dirhodium(II) complexes axially linked by tetrazine, phenazine and 4,4′-bipyridine" . Journal of Coordination Chemistry, vol. 70, no. 21, 2017, pp. 3633-3649.
http://dx.doi.org/10.1080/00958972.2017.1403594
---------- VANCOUVER ----------
Rossi, L., Huck-Iriart, C., Castro, M.A., Cukiernik, F.D. Liquid-crystalline coordination polymers based on tetra(Alkoxybenzoato)dirhodium(II) complexes axially linked by tetrazine, phenazine and 4,4′-bipyridine. J. Coord. Chem. 2017;70(21):3633-3649.
http://dx.doi.org/10.1080/00958972.2017.1403594