title: Tuning zinc(II) coordination architectures by rigid long bis(triazole) and different carboxylates: Synthesis, structures and fluorescence properties.
abstract: Three metal-organic coordination polymers containing rigid bis(triazole) ligand, namely, [Zn1.5(btb)(nbta)(H2O)]n (1), {[Zn(btb)(3-nph)]·(H2O)}n (2) and [Zn(btb)(4-nph)]n (3) (btb=4,4'-bis(1,2,4-triazolyl-1-yl)-biphenyl, 3-H2nph=3-nitrophthalic acid, H3nbta=5-nitro-1,2,3-benzenetricarboxylic acid, and 4-H2nph=4-nitrophthalic acid) were synthesized under hydrothermal conditions and structurally characterized by X-ray single-crystal diffraction. Complex 1 possesses an interesting 3D coordination framework with a rarely binodal (4,4)-connected frl topological structure. Complexes 2 and 3 exhibit similiar 2D (4,4) grid layers with different point symbol (4(4)·6(4)) in 2 and (4(4)·6(2)) in 3. Furthermore, thermal stability of these compounds has been discussed. Complexes 1-3 exhibit strong solid-state fluorescence at room temperature in solid state.
authors.affiliation: College of Chemical Engineering, North China University of Science and Technology, 46 West Xinhua Road, Tangshan 063009, Hebei, PR China.
authors.forename: Xiao-xiao
authors.initials: XX
authors.lastname: Wang
authors.affiliation: Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an 710069, PR China.
authors.forename: Zuo-xi
authors.initials: ZX
authors.lastname: Li
authors.affiliation: Department of Inorganic and Physical Chemistry, Ghent University, Krijgslaan 281 S3, B-9000 Ghent, Belgium.
authors.forename: Baoyi
authors.initials: B
authors.lastname: Yu
authors.affiliation: Department of Inorganic and Physical Chemistry, Ghent University, Krijgslaan 281 S3, B-9000 Ghent, Belgium.
authors.forename: Kristof
authors.initials: K
authors.lastname: Van Hecke
authors.affiliation: College of Chemical Engineering, North China University of Science and Technology, 46 West Xinhua Road, Tangshan 063009, Hebei, PR China. Electronic address: tscghua@126.com.
authors.forename: Guang-hua
authors.initials: GH
authors.lastname: Cui
keywords: Bis(triazole) ligand; Coordination polymer; Fluorescence; Hydrothermal; Topology; Zinc(II)