Three novel zinc(II) metal-organic frameworks based on three tetrazolate ligands: synthesis, structures and photoluminescence

被引:31
作者
He, Hongming [1 ]
Sun, Fuxing [1 ]
Zhao, Nian [1 ]
Yuan, Rongrong [1 ]
Zhu, Guangshan [1 ,2 ]
机构
[1] Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
[2] Griffith Univ, Queensland Micro & Nanotechnol Ctr, Brisbane, Qld 4111, Australia
基金
澳大利亚研究理事会;
关键词
BUILDING UNITS; HIGH CO2; SEPARATION; EMISSION; CLUSTER;
D O I
10.1039/c4ra02872d
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Three metal-organic frameworks (MOFs), namely [Zn(BPT)H2O] (JUC-121), [Zn-5(IBT)(6)]center dot 8[H2N(CH3)(2)]center dot DMA (JUC-122) and [Zn(TPD)(H2O)(2)]center dot 0.5H(2)O (JUC-123) (JUC = Jilin University, China), H2BPT = (5-bromo-1,3-phenylene) bis(tetrazole), H3IBT = 4,5-bis(tetrazol-5-yl)imidazole and H2TPD = 3,5-di(tetrazol-5-yl) pyridine, were obtained by the reactions of Zn(NO3)(2 center dot)6H(2)O and three tetrazolate ligands, which were characterized by single crystal X-ray diffraction, thermal gravimetric analyses (TGA), Fourier-transform infrared spectra (FT-IR), elemental analysis (CHN) and powder X-ray diffraction (PXRD). From the crystal structures of these complexes and the coordination modes of the ligands, we can see that the tetrazolate ligands have multi-connectivity abilities to obtain intriguing varieties of molecular architectures. JUC-121 displays a three-dimensional (3D) network with the point symbol (4 center dot 6(5))(2)(4(2)center dot 8(4))(6(4)center dot 8(2)). JUC-122 shows a two-dimensional (2D) framework with the point symbol (24(3))(2)(24)(9) and JUC-123 has a 2D bimodal (3, 3)-connected net with the point symbol (4 center dot 8(2)). The solid-state fluorescent spectra of JUC-121, JUC-122, JUC-123 and the free ligands were measured at room temperature.
引用
收藏
页码:21535 / 21540
页数:6
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