Citation:
LI Chang-Hong, LI Wei, LI Heng-Feng, TAN Xiong-Wen. Crystal Structure, Fluorescence and Thermal Stability Properties of a Dinuclear Copper(Ⅱ) Complex [Cu2(L)2(phen)2]·5H2O (H2L=Bicycle[2.2.1] hept-2-en-5,6-dicarboxylic acid)[J]. Chinese Journal of Structural Chemistry,
2015, 34(12): 1922-1926.
doi:
10.14102/j.cnki.0254-5861.2011-0952
Crystal Structure, Fluorescence and Thermal Stability Properties of a Dinuclear Copper(Ⅱ) Complex [Cu2(L)2(phen)2]·5H2O (H2L=Bicycle[2.2.1] hept-2-en-5,6-dicarboxylic acid)
摘要:
A new dinuclear copper(Ⅱ) complex [Cu2(L)2(phen)2]·5H2O (1) with bicycle[2.2.1]hept-2-en-5, 6-dicarboxylic acid (H2L) and 1,10-phenanthroline (phen) as ligands has been synthesized in the mixed solvents of ethanol and water. It crystallizes in the monoclinic space group P21/c, with a=17.925(4), b=19.908(4), c=11.235(2) Å, β=97.65(3)°, V=3973.4(14) Å3, Dc=1.552 g/cm3, Z=8, F(000)=1910, the final GOOF=1.056, R=0.0519 and wR=0.1293. The crystal structure shows that the whole molecule consists of two independent dinuclear units, in which two copper ions are bridged by two μ2-η1:η0-3-carboxylate groups of L2- anions. The fluorescence and thermal stability properties of 1 were studied. The results show that 1 has an intense fluorescent emission at around 381 nm. The TG analysis shows that 1 is stable below 143℃.
English
Crystal Structure, Fluorescence and Thermal Stability Properties of a Dinuclear Copper(Ⅱ) Complex [Cu2(L)2(phen)2]·5H2O (H2L=Bicycle[2.2.1] hept-2-en-5,6-dicarboxylic acid)
Abstract:
A new dinuclear copper(Ⅱ) complex [Cu2(L)2(phen)2]·5H2O (1) with bicycle[2.2.1]hept-2-en-5, 6-dicarboxylic acid (H2L) and 1,10-phenanthroline (phen) as ligands has been synthesized in the mixed solvents of ethanol and water. It crystallizes in the monoclinic space group P21/c, with a=17.925(4), b=19.908(4), c=11.235(2) Å, β=97.65(3)°, V=3973.4(14) Å3, Dc=1.552 g/cm3, Z=8, F(000)=1910, the final GOOF=1.056, R=0.0519 and wR=0.1293. The crystal structure shows that the whole molecule consists of two independent dinuclear units, in which two copper ions are bridged by two μ2-η1:η0-3-carboxylate groups of L2- anions. The fluorescence and thermal stability properties of 1 were studied. The results show that 1 has an intense fluorescent emission at around 381 nm. The TG analysis shows that 1 is stable below 143℃.
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Key words:
- dinuclear copper(Ⅱ) complex
- / fluorescence
- / thermal stability properties
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