A New 3D Supramolecular Complex (Dimethylammonium 4,4΄-([2,2΄-Bipyrimidine]-5,5΄-diyl)bis(2-hydroxybenzoate) Dihydrate): Synthesis, Structure =and Luminescent Property
张德毅;亢国辉;梁榕;苗少斌;许春莺;吉保明
a (College of Chemistry, Zhengzhou University, Zhengzhou 450001, China)
b (Henan Key Laboratory of Function-oriented Porous Materials, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, Henan 471934, China)
c (College of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China)
A New 3D Supramolecular Complex (Dimethylammonium 4,4΄-([2,2΄-Bipyrimidine]-5,5΄-diyl)bis(2-hydroxybenzoate) Dihydrate): Synthesis, Structure =and Luminescent Property
a (College of Chemistry, Zhengzhou University, Zhengzhou 450001, China)
b (Henan Key Laboratory of Function-oriented Porous Materials, College of Chemistry and Chemical Engineering, Luoyang Normal University, Luoyang, Henan 471934, China)
c (College of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China)
摘要A new 3D supramolecular complex, namely dimethylammonium 4,4΄-([2,2΄-bipyrimidine]-5,5΄-diyl)bis(2-hydroxybenzoate) dihydrate, has been synthesized by the reaction of 4,4΄-([2,2΄-bipyrimidine]-5,5΄-diyl)bis(2-hydroxybenzoic acid) with aqueous dimethylamine solution and characterized by single-crystal X-ray diffraction, 1H NMR spectroscopy and elemental analysis. It belongs to triclinic system, space groupP with a = 6.5539(4), b = 9.4977(6), c = 12.1407(8) Å, α = 72.299(6), β = 89.160(5), γ = 70.797(8)°, V = 676.52(8) Å3, Z = 1, Mr = 556.57, µ = 0.103 mm-1, Dc = 1.366 g/cm3, F(000) = 294, the final R =0.0828 and wR = 0.2083 for 1934 observed reflections with I > 2σ(I). The 4,4΄-([2,2΄-bipyrimidine]-5,5΄-
diyl)bis(2-hydroxybenzoic acid) dianion, dimethylammonium cation, and water molecule are interconnected by O−H∙∙∙O, N−H∙∙∙N, and N−H∙∙∙O hydrogen bonds, forming a two-dimensional (2D) layer. Two adjacent 2D layers are further stacked into a three-dimensional supramolecular structure through O−H∙∙∙O hydrogen bonds. In addition, the luminescent property of this supramolecular complex has also been investigated.
Abstract：A new 3D supramolecular complex, namely dimethylammonium 4,4΄-([2,2΄-bipyrimidine]-5,5΄-diyl)bis(2-hydroxybenzoate) dihydrate, has been synthesized by the reaction of 4,4΄-([2,2΄-bipyrimidine]-5,5΄-diyl)bis(2-hydroxybenzoic acid) with aqueous dimethylamine solution and characterized by single-crystal X-ray diffraction, 1H NMR spectroscopy and elemental analysis. It belongs to triclinic system, space groupP with a = 6.5539(4), b = 9.4977(6), c = 12.1407(8) Å, α = 72.299(6), β = 89.160(5), γ = 70.797(8)°, V = 676.52(8) Å3, Z = 1, Mr = 556.57, µ = 0.103 mm-1, Dc = 1.366 g/cm3, F(000) = 294, the final R =0.0828 and wR = 0.2083 for 1934 observed reflections with I > 2σ(I). The 4,4΄-([2,2΄-bipyrimidine]-5,5΄-
diyl)bis(2-hydroxybenzoic acid) dianion, dimethylammonium cation, and water molecule are interconnected by O−H∙∙∙O, N−H∙∙∙N, and N−H∙∙∙O hydrogen bonds, forming a two-dimensional (2D) layer. Two adjacent 2D layers are further stacked into a three-dimensional supramolecular structure through O−H∙∙∙O hydrogen bonds. In addition, the luminescent property of this supramolecular complex has also been investigated.
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2021, Vol. 40 
