Ligand-dependent ultrasonic-assistant self-assemblies and photophysical properties of lanthanide nicotinic/isonicotinic complexes.

作者: Wentong Chen , Shunichi Fukuzumi

DOI: 10.1021/IC9000279

关键词:

摘要: Two structural series, including two isomorphous homodinuclear complexes Ln2(H2O)4(C6NO2H4)6 (Ln = Tb (1) and Er (2)) four isostructural one-dimensional (1-D) chain-like assemblies [Ln(H2O)4(C6NO2H4)2]n·nCl Sm (3), Eu (4), (5), Dy (6)), have been rationally prepared through a facile ultrasonic synthesis characterized by X-ray diffraction photophysical measurements. Both complexes, 1 2, feature structure, based on 8-fold coordination lanthanide atoms bridged nicotinic acid ligands. Complexes 3−6 are 1-D polycationic containing eight-coordinated ions bridging isonicotinic The chains the isolated chloride anions interconnected via hydrogen bonds π-π interactions to form three-dimensional supramolecular network. effect of nicotinic/isonicotinic ligands structures photoluminescence properties, as well relationship ...

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