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Cadmium(II) Complexes with a Bulky Anthracene‐based Carboxylate Ligand: Syntheses, Crystal Structures, and Luminescent Properties
Author(s) -
Liu ChunSen,
Wang JunJie,
Chang Ze,
Yan LiFen
Publication year - 2010
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200900400
Subject(s) - supramolecular chemistry , stacking , anthracene , hydrogen bond , chemistry , luminescence , crystallography , ligand (biochemistry) , carboxylate , chelation , crystal structure , crystal engineering , pyridine , intermolecular force , stereochemistry , molecule , inorganic chemistry , photochemistry , materials science , medicinal chemistry , organic chemistry , biochemistry , receptor , optoelectronics
To explore the coordination possibilities of anthracene‐based ligands, three cadmium(ιι) complexes with anthracene‐9‐carboxylate ( L ) and relevant auxiliary chelating or bridging ligands were synthesized and characterized: Cd 2 ( L ) 4 (2bpy) 2 (μ‐H 2 O) ( 1 ), Cd 2 ( L ) 4 (phen) 2 (μ‐H 2 O) ( 2 ), and {[Cd 3 ( L ) 6 (4bpy)]} ∞ ( 3 ) (2bpy = 2,2′‐bipyridine, phen = 1,10‐phenanthroline, and 4bpy = 4,4′‐bipyridine). Structural analyses show that complexes 1 and 2 both take dinuclear structures by incorporating the chelating 2bpy or phen ligand, which are further interlinked by intermolecular hydrogen‐bonding, π ··· π stacking, and/or C–H ··· π supramolecular interactions to generate higher‐dimensional supramolecular frameworks. Complex 3 has a one‐dimensional (1D) ribbon‐like structure, which is further assembled into a two‐dimensional (2D) layer, and a three‐dimensional (3D) framework by the co‐effects of interchain C–H ··· O hydrogen‐bonding and C–H ··· π supramolecular interactions. Moreover, the luminescent properties of these complexes were further investigated in detail.

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