A new 2D chiral cadmium coordination network [Cd(TCBA)2]?2EtOH (1) was prepared by the reaction of achiral angular asymmetric bridging ligand 2-((3,5-dimethyl- 4H-1,2,4-triazol-4-yl)-carbamoyl)-benzoic acid ...A new 2D chiral cadmium coordination network [Cd(TCBA)2]?2EtOH (1) was prepared by the reaction of achiral angular asymmetric bridging ligand 2-((3,5-dimethyl- 4H-1,2,4-triazol-4-yl)-carbamoyl)-benzoic acid (TCBA) with cadmium acetate, which was structurally characterized by IR, elemental analysis, thermogravimetric analysis and single-crystal X-ray diffraction. Complex 1 crystallizes in the chiral space group P21 and features a 2D chiral network consisting of two types of homo-chiral helices, which are further extended into a 3D chiral framework along the a-axis via hydrogen bonds. Moreover, powder second-order nonlinear optical (NLO) measurements reveal complex 1 has a modest second-harmonic-generation (SHG) efficiency at room temperature.展开更多
基金supported by the National Natural Science Foundation of China(No.21201111,21401099 and 51204104)
文摘A new 2D chiral cadmium coordination network [Cd(TCBA)2]?2EtOH (1) was prepared by the reaction of achiral angular asymmetric bridging ligand 2-((3,5-dimethyl- 4H-1,2,4-triazol-4-yl)-carbamoyl)-benzoic acid (TCBA) with cadmium acetate, which was structurally characterized by IR, elemental analysis, thermogravimetric analysis and single-crystal X-ray diffraction. Complex 1 crystallizes in the chiral space group P21 and features a 2D chiral network consisting of two types of homo-chiral helices, which are further extended into a 3D chiral framework along the a-axis via hydrogen bonds. Moreover, powder second-order nonlinear optical (NLO) measurements reveal complex 1 has a modest second-harmonic-generation (SHG) efficiency at room temperature.
基金This work was supported by the National Natural Science Foundation of China (51972162 and 51703241)the Postdoctoral Foundation of Jiangsu Province (2019Z203 and 2019K001)the Science and Technology Project of Nanchang (2017-SJSYS008)