A novel complex{[Eu(H;TIA)(C;O;);(H;O);]·H;O};of Eu(Ⅲ)with aromatic carboxylic triazole(H;TIA=5-(4H-1,2,4-triazol-4-yl)isophthalic acid,H;C;O;=oxalic acid)was hydrothermally synthesized and characterized...A novel complex{[Eu(H;TIA)(C;O;);(H;O);]·H;O};of Eu(Ⅲ)with aromatic carboxylic triazole(H;TIA=5-(4H-1,2,4-triazol-4-yl)isophthalic acid,H;C;O;=oxalic acid)was hydrothermally synthesized and characterized by IR,UV-Vis,emission spectra and optical activity,and its crystal structure was determined.It crystallizes in triclinic system,space group P1 with a=7.4452(13),b=10.776(2),c=11.286(2)?,α=110.546(3)°,β=106.604(3)°,γ=99.031(3)°,V=486.0,GOOF=1.096,the final R=0.0196 and w R=0.0527 for 3081 observed reflections with I≥2σ(I),R=0.0209 and wR=0.0535 for all data with(Δ/σ);=0.001,(Δρ);=0.48 and(Δρ);=–0.46 e·?;.The natural bond orbital(NBO)charges,electrostatic potential(ESP)and frontier orbital of this complex were also analyzed.The results of anti-bacterial activity against Gram positive(S. aureus)and Gram negative(E. coli)bacteria reveal that the studied complex possesses a moderate inhibiting effect,and the inhibition effect on E.coli is better.展开更多
基金supported by the Natural Science Foundation of Fujian Province(No.2015J01597,2016J05032)Professor Found of Fujian Medical University(JS14008)
文摘A novel complex{[Eu(H;TIA)(C;O;);(H;O);]·H;O};of Eu(Ⅲ)with aromatic carboxylic triazole(H;TIA=5-(4H-1,2,4-triazol-4-yl)isophthalic acid,H;C;O;=oxalic acid)was hydrothermally synthesized and characterized by IR,UV-Vis,emission spectra and optical activity,and its crystal structure was determined.It crystallizes in triclinic system,space group P1 with a=7.4452(13),b=10.776(2),c=11.286(2)?,α=110.546(3)°,β=106.604(3)°,γ=99.031(3)°,V=486.0,GOOF=1.096,the final R=0.0196 and w R=0.0527 for 3081 observed reflections with I≥2σ(I),R=0.0209 and wR=0.0535 for all data with(Δ/σ);=0.001,(Δρ);=0.48 and(Δρ);=–0.46 e·?;.The natural bond orbital(NBO)charges,electrostatic potential(ESP)and frontier orbital of this complex were also analyzed.The results of anti-bacterial activity against Gram positive(S. aureus)and Gram negative(E. coli)bacteria reveal that the studied complex possesses a moderate inhibiting effect,and the inhibition effect on E.coli is better.