【摘 要】
：
The title complex, [Pb4(1,2-bdc)4(L)2]·2.25H2O 1 (L = 2-(2-chloro-6-fluorophenyl)- 1H-imidazo[4,5-f] [ 1, 10]phenanthroline, 1,2-Hebdc = 1,2-benzenedicarboxyli
【机 构】
：
Department of Chemistry,Siping Academy of Science and Technology
论文部分内容阅读
The title complex, [Pb4(1,2-bdc)4(L)2]·2.25H2O 1 (L = 2-(2-chloro-6-fluorophenyl)- 1H-imidazo[4,5-f] [ 1, 10]phenanthroline, 1,2-Hebdc = 1,2-benzenedicarboxylie acid), has been obtained by using hydrothermal synthesis and characterized by elemental analysis, IR and singlecrystal X-ray diffraction. It crystallizes in monoclinic, space group P21/c with a = 12.0920(6), b =18.9248(10), c = 15.2729(8) (A), β = 98.7530(10)°, V= 3454.3(3) (A)3, Z = 1, C140H90Cl4F4N16O41Pb8,Mr = 4527.60, Dc = 2.176 g/cm3, F(000) = 2130, μ(MoKa) = 9.884 mm-1, R = 0.0241 and wR =0.0582. Compound 1 exhibits a unique tetra-nuclear structure, and is further stacked by π-π interactions to give a two-dimensional supramolecular layer. The N-H…O and O-H…O hydrogen bonds stabilize the structure of 1.
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