A Novel TADDOL-based Chiral Metal-organic Framework: Synthesis, Structure and Photoluminescence Study

作者：Wang Xiu-Ren; Li Zi-Jian; Gong Wei; Liu Yan^*; Liu Bai-Zhan^*; Cui Yong^*

来源：Chinese Journal of Structural Chemistry, 2016, 35(9): 1399-1405.

DOI：10.14102/j.cnki.0254-5861.2011-1093

• TADDOL
• chiral metal-organic framework
• photoluminescence

A new C-2-symmetric TADDOL-based ligand H4L was designed and synthesized from readily available tartaric acid and was used to construct a novel TADDOL-based chiral metal-organic framework {[Co2L(DMA)(H2O)(5)]center dot 2DMA}(n) 1 (DMA = N,N'-dimethylacetamide). It was characterized by single-crystal and powder X-ray diffraction, Fourier-transform infrared spectra (FTIR), solid-state circular dichroism (CD) and thermal gravimetric analysis (TGA). 1, crystallizes in the chiral orthorhombic space group P2(1)2(1)2(1) with a = 9.7060(8), b = 15.5661(1), c = 44.564(3) angstrom, V = 6732.9(9) angstrom(3), Z = 4, M-r = 1394.08, D-c = 1.375 g/cm(3), F(000) = 2888, GOOF = 1.032, the final R=0.0607 and wR = 0.1582 for 21374 observed reflections with I > 2 sigma(1). Each Co-2 cluster in 1 is linked by three ligands and each ligand is coordinated to three Co-2 clusters with one free carboxylate group, thus generating a 2D network. These 2D networks are further extended into a 313 supramolecule framework by the hydrogen bonding interactions (O-H center dot center dot center dot O) in an A-B-A-B stacking mode. Additionally, the photoluminescence of 1 and H4L were also investigated.

• 出版日期2016-9
• 单位上海交通大学