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South African Journal of Chemistry

versión On-line ISSN 1996-840X

Resumen

LI, Long; DIAO, Kaisheng  y  DING, Yuqiu. Pb(II) and Mn(II) supermolecular polymers of bipy and (4-chlorophenyloxy) acetate anions: Syntheses, structure and fluorescence properties. S.Afr.j.chem. (Online) [online]. 2012, vol.65, pp. 265-270. ISSN 1996-840X.

Two new supermolecular polymers of the formula [Pb4L8(2,2'-bipy)4] 1 and [MnL2(4,4'-bipy)] 2 [HL = (4-chlorophenyloxy)acetic acid] have been synthesized and characterized by X-ray single crystal diffraction analysis, elemental analysis, fluorescence spectroscopy method and electrochemical analysis. Complex 1 is a multinuclear dimmer in which four Pb ions are linked together by the L ligands. In complex 2: , each carboxyl of L bridges two Mn ions to form infinite Mn-O-C-O rods. Both in complex 1 and complex 2: , π-π stacking and van der Waals' interactions make the two complexes stable, 3-D, supermolecular polymers. This work will contribute to the design and synthesis of fluorescent, supramolecular polymers.

Palabras clave : Supermolecular polymers; fluorescence; 4-chlorophenyloxyacetic acid.

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