Two substituted tetrazole-based isomers of [M2(PPT)(OH)(SO4)(H2O)]n (M =Zn, Cd): The in-situ syntheses and characterization br

被引:2
|
作者
Wei, Meiqiao [1 ,2 ]
Song, Jingxia [1 ]
Chen, Renjie [1 ,3 ]
Liu, Hanqing [4 ]
Wang, Ying [1 ]
Qiao, Yongfeng [1 ,3 ]
Ling, Jie [5 ]
Su, Tong [1 ]
Ju, Haidong [1 ,3 ]
Zhou, Xiaohua [1 ]
Weng, Zhehui [1 ,3 ]
机构
[1] Kunming Univ, Sch Chem & Chem Engn, Yunnan 650214, Peoples R China
[2] Kunming Univ, Coll Phys Sci & Technol, Yunnan 650214, Peoples R China
[3] Yunnan Key Lab Met Organ Mol Mat & Device, Yunnan 650214, Peoples R China
[4] Polytech Ctr, Yunnan 678600, Peoples R China
[5] Univ Alabama Huntsville, Dept Chem, Mat Sci Bldg C203,John Wright Dr, Huntsville, AL 35899 USA
基金
中国国家自然科学基金;
关键词
D-10; metal; In-situ reaction; Substituted tetrazole; Photoluminescence; METAL-ORGANIC FRAMEWORKS; NONLINEAR-OPTICAL CRYSTAL; COORDINATION POLYMERS; 5-SUBSTITUTED; 1H-TETRAZOLES; HYDROTHERMAL SYNTHESIS; LUMINESCENT PROPERTIES; COMPLEXES; LIGAND; ZINC; PHOTOLUMINESCENCE;
D O I
10.1016/j.ica.2022.121101
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Two new isotypic substituted tetrazolates of d10 metals, [M2(PPT)(OH)(SO4)(H2O)]n, (M =Zn, 1 and Cd, 2) (PPT =5-(4-pyridylphenyl)tetrazole) have been in-situ synthesized using the metal sulfates, 4-(4-pyridyl)benzonitrile (PBN) and sodium azide under mild solvothermal conditions. The prepared materials have been characterized by single crystal X-ray diffraction, powder XRD, elemental analyses, IR & Raman spectroscopy, SEM-EDS, solid state fluorescence, and TG analyses. The PPT ligand in both compounds is generated via the in situ [2 +3] cyclo-addition in the reaction of the cyano groups of the organonitrile and sodium azide. Single crystal X-ray diffraction reveals both materials possess 3D framework of six-coordinated metal polyhedrons that are further connected by the PPT linkers. The BV calculation confirms the existence of extremely long Zn-O bond distance of 2.663 A in compound 1. In addition, the solid-state photoluminescence indicates the cadmium-based material has a more intensive photoluminescent emission than the zinc one upon excitation at room temperature.
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页数:8
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