A three-dimensional ZnII coordination network based on 5,5′-methylenebis(2,4,6-trimethylisophthalic acid) and 2,7-bis(1H-imidazol-1-yl)fluorene: synthesis, structure and luminescence properties

被引:5
|
作者
Chen, Zhen [1 ]
Sun, Yanwen [1 ]
Liu, Zi-an [1 ]
Wang, Ning [2 ]
Yang, Xue [1 ]
You, Xiaomeng [1 ]
Wang, Xiaozhong [1 ]
机构
[1] Hebei Normal Univ Nationalities, Sch Chem & Chem Engn, Higher Educ Pk, Chengde 067000, Peoples R China
[2] Hebei Normal Univ, Coll Chem & Mat Sci, Shijiazhuang 050024, Hebei, Peoples R China
来源
ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2019年 / 75卷
关键词
two-dimensional coordination polymer; zinc(II); 5,5 '-methylenebis(2,4,6-trimethylisophthalic acid; 2,7-bis(1H-imidazol-1yl)fluorene; hydrogen bonding; fluorescence properties; crystal structure; supramolecular; LIGANDS SYNTHESIS; POLYMERS; FRAMEWORKS; ZINC(II); CADMIUM(II); PHOTOLUMINESCENCE; CONSTRUCTION; TEMPERATURE; DESIGN; ANION;
D O I
10.1107/S2053229618016285
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In recent years, coordination polymers constructed from multidentate carboxylate ligands and N-containing ligands have attracted much attention since these ligands can adopt a rich variety of coordination modes which can lead to crystalline products with intriguing structures and interesting properties. A new coordination polymer, namely poly[[diaqua[mu-2,7-bis(1H-imidazol-1-yl)fluorene-kappa N-2(3):N-3'][mu-5,5'-methylenebis(3-carboxy-2,4,6-trimethylbenzoato)-kappa O-2(1):O-1']-zinc(II)]hemihydrate], {[Zn(C23H22O8)(C19H14N4)(H2O)(2)]center dot 0.5H(2)O}(n), 1, was prepared by the self-assembly of Zn(NO3)(2)center dot 6H(2)O with 5,5'-methylenebis(2,4,6-trimethylisophthalic acid) (H(4)BTMIPA) and 2,7-bis(1H-imidazol-1-yl)fluorene (BIF) under solvothermal conditions. The structure of 1 was determined by elemental analysis, single-crystal X-ray crystallography, powder X-ray diffraction, IR spectroscopy and thermogravimetric analysis. Each Zn-II ion is sixcoordinated by two O atoms from two H(2)BTMIPA 2(-) ligands, by two N atoms from two BIF ligands and by two water molecules, forming a distorted octahedral ZnN2O4 coordination geometry. Adjacent Zn II ions are linked by H(2)BTMIPA 2(-) ligands and BIF ligands, leading to the formation of a two-dimensional (2D) (4,4)-sql network, and intermolecular hydrogen-bonding interactions connect the 2D layer structure into the three-dimensional (3D) supramolecular structure. Each 2D layer contains two kinds of helices with the same direction, which are opposite in adjacent layers. The luminescence properties of complex 1 in the solid state have also been investigated.
引用
收藏
页码:8 / +
页数:13
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