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Template Synthesis and Structure of Dinuclear Zinc Complex with Three Kinds of Pyrazole Ligands

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摘要 The title complex[Zn_2L(C_5H_7N_2)_2(C_5H_7N_2·HClO_4)_2](L=1,2-di(3', 5'-dimethylpyrazolyl) formylhydrazine and C_5H_7N_2= 3 , 5 dimethylpyrazole anion) has been synthesized by template reaction, in which carbonhydrazine, 2, 4-pentanedione and zinc perchlorate hexahydrate were used as the original materials. The crystals of complex with formula C_(32)H_(46)N_(14)O_(10)Cl_2Zn_2 (Mr=988.46) are triclinic,space group P1,a= 8.275 (2),b=11.523 (3),c= 12.872(5), a=69. 90(3),β= 69.79 (2), γ=83. 52 (2)°,V=1081.6(6),Z=1,Dc=1.524g/cm ̄3,μ=13.265cm ̄(-1),F (000)=510. The final refinement is converged with R= 0.057. The results indicate that in one complex molecule there are three kinds of pyrazole rings all directly coordinated to the central Zn atom; and each zinc atom possesses a five-coordinated polyhedron. The title complex[Zn_2L(C_5H_7N_2)_2(C_5H_7N_2·HClO_4)_2](L=1,2-di(3', 5'-dimethylpyrazolyl) formylhydrazine and C_5H_7N_2= 3 , 5 dimethylpyrazole anion) has been synthesized by template reaction, in which carbonhydrazine, 2, 4-pentanedione and zinc perchlorate hexahydrate were used as the original materials. The crystals of complex with formula C_(32)H_(46)N_(14)O_(10)Cl_2Zn_2 (Mr=988.46) are triclinic,space group P1,a= 8.275 (2),b=11.523 (3),c= 12.872(5), a=69. 90(3),β= 69.79 (2), γ=83. 52 (2)°,V=1081.6(6),Z=1,Dc=1.524g/cm ̄3,μ=13.265cm ̄(-1),F (000)=510. The final refinement is converged with R= 0.057. The results indicate that in one complex molecule there are three kinds of pyrazole rings all directly coordinated to the central Zn atom; and each zinc atom possesses a five-coordinated polyhedron.
机构地区 CollegeofChemistry
出处 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 1996年第5期404-407,共4页 结构化学(英文)
关键词 pyrazolyl ligand dinuclear complex TEMPLATE crystal structure pyrazolyl ligand,dinuclear complex, template, crystal structure
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参考文献2

  • 1Chang W K,Inorg Chim Acta,1994年,223卷,139页
  • 2游效曾,Structures and Properties of Coordination Compounds,1992年

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