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离子化合物{[2-(3′-pyridyl)benzimidazoleH_2]^(2+)·[SbCl_4]^-·Cl^-}_4的水热合成、晶体结构及抑菌活性 被引量:9

Hydrothermal Synthesis, Crystal Structure and Antibacterial Activity of a Ionic Compound {[2-(3′-pyridyl)benzimidazoleH_2]^(2+)·[SbCl_4]^-·Cl^-}_4
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摘要 A new ionic compound {[2-(3′-pyridyl)benzimidazoleH2]2+·[SbCl4]-·Cl-}4 was synthesized by the hy- drothermal reaction of o-diaminobenzene, nicotinic acid with SbCl3 in 1∶1 HCl solution. The structure was charac- terized by chemical analysis, elemental analysis and IR patterns. The single crystal structure was determined by X-ray single crystal diffraction. It crystallizes in monoclinic system, space group P21/n with a=2.107 9(4) nm, b= 1.482 0(3) nm, c=2.113 4(4) nm, β=93.44(3)°, Z=4, V=6.590(2) nm3, Dc=2.001 g·cm-3, μ=2.480 mm-1, F(000)= 3840, R1=0.0468, wR2=0.1163. The single crystal structure indicates that the four chlorines coordinated to the antimony atom forms a distorted triangle bipyramid configuration together with the lone electron pair on the Sb atom. The [SbCl4]- to 2-(3′-pyridyl)benzimidazole cation and Cl- by weak interaction forms the ionic crystal. It has been proved that the title compound has antibacterial activity. CCDC: 283824. A new ionic compound {[2-(3'-pyridyl)benzimidazoleH2]2+-[SbCl4]^-.Cl^-}4 was synthesized by the hydrothermal reaction of o-diaminobenzene, nicotinic acid with SbCl3 in 1:1 HCl solution. The structure was characterized by chemical analysis, elemental analysis and IR patterns. The single crystal structure was determined by X-ray single crystal diffraction. It crystallizes in monoclinic system, space group P21/n with a=2.107 9(4) nm, b= 1.482 0(3) nm, c=2.113 4(4) nm,β=93.44(3)°, Z=4, V=6.590(2) nm^3, Dc=2.001 g·cm^-3,μ=2.480 mm^-1, F(000)= 3840, R1=0.0468, wR2=0.1163. The single crystal structure indicates that the four chlorines coordinated to the antimony atom forms a distorted triangle bipyramid configuration together with the lone electron pair on the Sb atom. The [SbCl4]^- to 2-(3'-pyridyl)benzimidazole cation and Cl^- by weak interaction forms the ionic crystal. It has been proved that the title compound has antibacterial activity. CCDC: 283824.
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2006年第1期134-138,共5页 Chinese Journal of Inorganic Chemistry
基金 河南省自然科学基金项目(No.0311021900)。
关键词 2-(3’-吡啶基)苯并咪唑 离子化合物 水热合成 晶体结构 抑菌活性 2-(3'-pyridyl)benzimidazole ionic compound hydrothermal synthesis crystal structure antibacterial activity
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