Hydrothermal Synthesis, Crystal Structure, Luminescence and Electrochemical Properties of Trinuclear Zinc(Ⅱ) Complex Zn3(phen)2(2,4-DAA)6

Chem. J. Chinese Universities

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Hydrothermal Synthesis, Crystal Structure, Luminescence and Electrochemical Properties of Trinuclear Zinc(Ⅱ) Complex Zn₃(phen)₂(2,4-DAA)₆

YANG Ying-Qun¹, LI Chang-Hong², LI Wei¹*, LI Dong-Ping³, KUANG Yun-Fei¹

1. Department of Chemistry and Materials Science, Hengyang Normal University, Hengyang 421002, China;
2. Department of Chemistry and Chemical Engineering, Hunan Institute of Technology, Hengyang 421002, China;
3. Coordination Chemistry Institute, Nanjing University, Nanjing 210093, China

Received:2007-08-16 Revised:1900-01-01 Online:2008-03-10 Published:2008-03-10
Contact: LI Wei

Abstract

Abstract: A novel complex Zn₃(phen)₂(2,4-DAA)₆(2,4-DAA=2,4-dichlorophenoxy acetic acid phen=1,10 phenanthroline) was synthesized by means of hydrothermal method and characterized as crystallizing in the triclinic system with space group P1, a=1.1030(2) nm, b=1.2930(3) nm, c=1.5081(3) nm, α=100.436(3)°, β=110.227(3)°, γ=103.802(3)°, V=1.8760(7) nm³, D_c=1.661 g/cm³, Z=1, F(000)=944. Final GooF=1.033, R₁=0.0326, wR₂=0.0736. The crystal structure shows that the three coordinated zinc(Ⅱ) ions lie in the same line with the middle one as the symmetric center. The distance between the central zinc(Ⅱ) and the symmetric one is 0.3378 nm. There exist two coordination modes for the three zinc(Ⅱ) ions: (1) The symmetric zinc(Ⅱ) ions are coordinated with three oxygen atoms and two nitrogen atom from three 2,4-dichlorophenoxy acetic acid molecules and one 1,10 phenanthroline molecule, respectively, forming a distorted square-pyramid coordination geometry. (2) The middle zinc(Ⅱ) ions is coordinated with six oxygen atoms from six 2,4-dichlorophenoxy acetic acid molecules, respectively, forming a distorted octahedral coordination geometry. The luminescence and electrochemical properties of the complex are also studied.

Key words: Trinuclear zinc(Ⅱ) complex, Hydrothermal synthesis, Crystal structure, Luminescence and electrochemical properties

CLC Number:

O611.4

TrendMD:

YANG Ying-Qun¹, LI Chang-Hong², LI Wei¹*, LI Dong-Ping³, KUANG Yun-Fei¹. Hydrothermal Synthesis, Crystal Structure, Luminescence and Electrochemical Properties of Trinuclear Zinc(Ⅱ) Complex Zn₃(phen)₂(2,4-DAA)₆[J]. Chem. J. Chinese Universities, doi: .

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Hydrothermal Synthesis, Crystal Structure, Luminescence and Electrochemical Properties of Trinuclear Zinc(Ⅱ) Complex Zn₃(phen)₂(2,4-DAA)₆

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