Synthesis, Structure and Properties of Copper(Ⅱ) Complex with Pyrazole Ligands and Thiocyanate

Abstract

Abstract:

This paper presents the synthesis, crystal structure and properties of copper(Ⅱ) complex[Cu(pz)₄(NCS)₂](pz=pyrazole). The complex was crystallized in the monoclinic system, space group C2/c, a=1.1520(4) nm, b=1.2247(4) nm, c=1.4188(5) nm, β=106.747(8)°, Z=4, R₁=0.0554,wR₂=0.1420. The Cu(Ⅱ) ion is in 4+2 environment with an elongated-octahedron geometry. The basal plane of the central copper atom is formed by the four pyrazole nitrogen atoms and the apical positions are occupied by two nitrogen atoms of two NCS^- anions. IR, UV-Vis and ESR spectra were also measured and the results are well consistent with the crystal structure.

Key words: copper(Ⅱ) complex, pyrazole, thiocyanate, crystal structure, properties

CLC Number:

O614

TrendMD:

SUN Ying-Ji, ZHAO Bin, SHI Wei, CHENG Peng, YAN Shi-Ping, SHEN Pan-Wen. Synthesis, Structure and Properties of Copper(Ⅱ) Complex with Pyrazole Ligands and Thiocyanate[J]. Chem. J. Chinese Universities, 2001, 22(S1): 29.

References

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