Journal
INORGANIC CHEMISTRY COMMUNICATIONS
Volume 14, Issue 3, Pages 484-488Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2011.01.007
Keywords
Lanthanide coordination polymers; Crystal structures; 4 '-(4-carboxyphenyl)-2,2 ':6 ' 2 ''-terpyridine; Luminescence
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Funding
- National Natural Science Foundation of China [20573083, 20873098]
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A series of lanthanide coordination polymers, [Ln(cptpy)(3)](n)[Ln=Sm (1), Eu (2),Tb (3), Dy (4), Hcptpy = 4'(4-carboxyphenyl)-2,2':6',2 ''-terpyridine] have been prepared under hydrothermal conditions and characterized by IR. Elemental analysis, single crystal X-ray diffraction. Compounds 1-4 are isostructural with 1D framework, in which all Ln(III) atoms are nine-coordinated and (cptpy)(-) anions adopt two different coordination modes. The network packed through pi center dot center dot center dot pi stacking interactions and C-H center dot center dot center dot pi interactions to form a 3D supramolecular structure without solvent molecules. In addition, the thermal stabilities and luminescence properties were also studied. (C) 2011 Elsevier B.V. All rights reserved.
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