Acta Phys. -Chim. Sin. ›› 1990, Vol. 6 ›› Issue (05): 556-561.doi: 10.3866/PKU.WHXB19900509

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Synthesis and Crystal Structure of Nickel (II) Complex with BIS-Schiff Bases From Picoli-naldehyde N-Oxide and 1,2-Propanediamine

Zhou Zhong-Yuan; Yin Zhan-Feng; Zang Yan; Wang Guo-Xiong; Zeng Cheng; Dai An-Bang   

  1. Chengdu Center of Analysis and Determination, Academia Sinica, Chengdu; Coordination Chemistry Institute, Nanjing University, Nanjing
  • Received:1989-07-05 Revised:1990-02-23 Published:1990-10-15
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Abstract: A new nickel (II) complex with bis-schiff bases from picolinaldehyde N-oxide and 1,2-propanediamine, [Ni (piopn) (H_2O)_2] (ClO_4)_2 has been synthesised and its crystal structure has been determined. The crystal belongs to monoclinic system, space group C_c, with cell dimensions: a=0.7397(3) nm, b=1.3187(7) nm, c=2.5502(14) nm, β=102.18(4)°, V=224.10 nm, D_c=1.71 g·cm~(-3), F(000)=1135.8, μ=11.65 cm~(-1). According to the semiempirical MO theory calculation, the relationships between IR frequency shifts of ν_(C=N) and ν_(N-O) bands and their characteristics of chemical bonds have been discussed.