Abstract
Two coordination complexes [Cu(phtpy)(obda)]·2H2O (1) and [Cu4(meophtpy)4(mbda)4]·4H2O (2) [phtpy = 4′-phenyl-2,2′:6′,2″-terpyridine, meophtpy = 4′-(4-methoxyphenyl)-2,2′:6′,2″-terpyridine, H2obda = 1,2-benzenedicarboxylic acid and H2mbda = 1,3-benzenedicarboxylic acid] have been synthesized under hydrothermal conditions and characterized by IR, elemental analysis and X-ray single-crystal diffraction. In complex 1, the Cu(II) atoms are bridged by obda2− ligands to give 1D chains with phtpy as a terminal ligand, while a 3D network is constructed by hydrogen bonds and π–π interactions. In complex 2, the Cu(II) atoms are coordinated by two meophtpy ligands and also linked by mbda2− ligands forming a discrete tetranuclear complex. In this complex also, a 3D network is constructed by hydrogen bonds and π–π interactions. The most striking feature of complex 2 is that one meophtpy ligand is almost overlapped upon the next which is seldom found in 2,2′:6′,2″-terpyridine complexes. The luminescence properties of both complexes 1 and 2 have been investigated.
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Financial support by the Key Discipline Project of Hunan Province, the Open Fund of Key Laboratory of Functional Organometallic Materials of Hunan Province College (GN14K02), the Scientific Research Fund of Hunan Provincial Education Department (14A021) and Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province are gratefully acknowledged.
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Fu, WW., Ye, SQ., Liu, Y. et al. Syntheses, crystal structures and luminescence properties of two copper(II) complexes with terpyridine and dicarboxylate ligands. Transition Met Chem 40, 227–233 (2015). https://doi.org/10.1007/s11243-015-9910-9
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DOI: https://doi.org/10.1007/s11243-015-9910-9