A one-dimensional zinc-containing coordination polymer, [Zn2（NBA）2（4,4′-bipy）]n （NBA = 3-nitrobenzoic acid, 4,4′-bipy = 4,4′-bipyrindine）, has been solvothermally synthesized and characterized by single-cryst...A one-dimensional zinc-containing coordination polymer, [Zn2（NBA）2（4,4′-bipy）]n （NBA = 3-nitrobenzoic acid, 4,4′-bipy = 4,4′-bipyrindine）, has been solvothermally synthesized and characterized by single-crystal X-ray diffraction, IR and elemental analysis. The crystal structure is of monoclinic, space group C2/c with a = 24.6478（2）, b = 14.0964（3）, c = 11.4275（2）A, β=108.7870（10）°, V = 3758.89（11） ,A^3, C38H20N6O16Zn2, Mr = 947.34, Z = 4, De = 1.674 g/cm^3 μ= 1.363 mml, F（000） = 1912, R = 0.0720 and wR = 0.2277 for 2841 observed reflections （I 〉 2σ（I）. In this compound, NBA in syn-syn coordination mode bridges zinc centers into dimericzinctetracarboxylate [Zn2（COO）4] secondary building units （SBUs） which are linked through μ-4,4′-bpy affording 1D alternating chains. These adjacent chains are further stacked through intermolecular π...π interactions to form a 3D framework.展开更多
Under hydrothermal condition, the reaction of 2-naphthoxyacetic acid with ZnCl2 and 4,4′-bipyridine （4,4′-bipy） has afforded a new Zn（Ⅱ） compound, [Zn（C12H9O3）2（C10H8N2）]n·nH2O1, which was structurally...Under hydrothermal condition, the reaction of 2-naphthoxyacetic acid with ZnCl2 and 4,4′-bipyridine （4,4′-bipy） has afforded a new Zn（Ⅱ） compound, [Zn（C12H9O3）2（C10H8N2）]n·nH2O1, which was structurally characterized by single-crystal X-ray diffraction analysis. The crystal is of monoclinic, space group P21/c with a = 7.7335（2）, b = 19.3834（4）, c = 20.1707（4） A, β = 104.9830（10）°, V = 2920.82（11） A^3, C34H28ZnN2O7, Mr = 641.95, Z = 4, Dc = 1.460 g/cm^3,μ = 0.895 mm^-1, F（000） = 1328, R = 0.0406 and wR = 0.0876 for 4417 observed reflections （I〉 2σ（I）） Complex 1 consists of one-dimensional zigzag chains deriving from Zn（C12H9O3）2 units linked by 4,4′-bipy ligands, and lattice water molecules decorate between the chains. Non-covalent interactions, such as hydrogen-bonding and aromatic π-π interactions, lead to the formation of a 3D network structure. The thermogravimetric analysis （TGA） and luminescent property for 1 have also been studied in this paper.展开更多
基金the State Key Basic Research and Development Plan of China(001CB108906)the Knowledge Innovation Program of the Chinese Academy of Sciences+1 种基金the NSF(2006J0015)the Major Special Foundation of Fujian Province(2005HZ1027,2005HZ01-1)
文摘A one-dimensional zinc-containing coordination polymer, [Zn2（NBA）2（4,4′-bipy）]n （NBA = 3-nitrobenzoic acid, 4,4′-bipy = 4,4′-bipyrindine）, has been solvothermally synthesized and characterized by single-crystal X-ray diffraction, IR and elemental analysis. The crystal structure is of monoclinic, space group C2/c with a = 24.6478（2）, b = 14.0964（3）, c = 11.4275（2）A, β=108.7870（10）°, V = 3758.89（11） ,A^3, C38H20N6O16Zn2, Mr = 947.34, Z = 4, De = 1.674 g/cm^3 μ= 1.363 mml, F（000） = 1912, R = 0.0720 and wR = 0.2277 for 2841 observed reflections （I 〉 2σ（I）. In this compound, NBA in syn-syn coordination mode bridges zinc centers into dimericzinctetracarboxylate [Zn2（COO）4] secondary building units （SBUs） which are linked through μ-4,4′-bpy affording 1D alternating chains. These adjacent chains are further stacked through intermolecular π...π interactions to form a 3D framework.
基金Supported by the Foundation of Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces (No. 0506)Department of Education of Zhejiang Province (No. 20071374)
文摘Under hydrothermal condition, the reaction of 2-naphthoxyacetic acid with ZnCl2 and 4,4′-bipyridine （4,4′-bipy） has afforded a new Zn（Ⅱ） compound, [Zn（C12H9O3）2（C10H8N2）]n·nH2O1, which was structurally characterized by single-crystal X-ray diffraction analysis. The crystal is of monoclinic, space group P21/c with a = 7.7335（2）, b = 19.3834（4）, c = 20.1707（4） A, β = 104.9830（10）°, V = 2920.82（11） A^3, C34H28ZnN2O7, Mr = 641.95, Z = 4, Dc = 1.460 g/cm^3,μ = 0.895 mm^-1, F（000） = 1328, R = 0.0406 and wR = 0.0876 for 4417 observed reflections （I〉 2σ（I）） Complex 1 consists of one-dimensional zigzag chains deriving from Zn（C12H9O3）2 units linked by 4,4′-bipy ligands, and lattice water molecules decorate between the chains. Non-covalent interactions, such as hydrogen-bonding and aromatic π-π interactions, lead to the formation of a 3D network structure. The thermogravimetric analysis （TGA） and luminescent property for 1 have also been studied in this paper.
