Syntheses, Structural Characterization of Fe and Ni Complexes with Polypyrazolyl Borate Ligand:Fe[HB(pz)3]2 and Ni[HB(pz

Fe(Ⅱ) complex Fe[HB(pz)3]2(compound 1, pz=pyrazole) and Ni(Ⅱ) complex Ni[HB(pz)3]2(compound 2) have been obtained by the reaction of MCI2(M=Fe and Ni) with NaHB(pz)3 in MeOH. The two complexes(compounds 1 and 2) were characterized by IR, NMR, elemental analysis and X-ray diffraction. Compound 1 crystallizes in space group P21/c with a=1.224(3) nm, b=1.161(2) nm, c=1.648(3) nm, β=107.62(15)°, V=2.233(8) nm3, Z=2. Compound 2 crystallizes in space group P21/c with a=0.97926(18) nm, b=1.7423(3) nm, c=1.3156(2) nm, β=97.055(16)°, V=2.2277(7) nm3, Z=4. The results of X-ray structural analyses show that both compounds 1 and 2 are monomeric neutral, possessing a similar coordination mode and a similar structure around the metal centers. The related spectral characterizations, steric effects and binding properties are discussed.

作 者： XING Yong-Heng Katsuyuki Aoki BAI Feng-ying   作者單位： XING Yong-Heng,BAI Feng-ying(College of Chemistry and Chemical Engineeing, Liaoning Normal University, Dalian 116029, P. R. China)

Katsuyuki Aoki(Department of Materials Science, Toyohashi University of Technology, Japan, 441-8580) 

刊 名： 高等學(xué)校化學(xué)研究（英文版）  ISTIC SCI 英文刊名： CHEMICAL RESEARCH IN CHINESE UNIVERSITIES  年，卷(期)： 2005 21(4)  分類號： O6  關(guān)鍵詞： Polypyrazolylborate   Fe and Ni complexes   Crystal structure  

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