Citation: WU Nan-Nan, CHEN Chang-Neng, HUANG De-Guang. Activation of Nitromethane to Cyanide by a Mononuclear Cu(Ⅱ) Complex[J]. Chinese Journal of Structural Chemistry, ;2014, 33(11): 1643-1648. doi: 10.14102/j.cnki.0254-5861.2011-0352 shu

Activation of Nitromethane to Cyanide by a Mononuclear Cu(Ⅱ) Complex

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a. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China;
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b. University of Chinese Academy of Sciences, Beijing 100039, China

Corresponding author: HUANG De-Guang,
Received Date: 24 April 2014
Available Online: 9 May 2014
Fund Project: This investigation was granted by the National Natural Science Foundation of China (No. 21371171) (No. 21371171)

The tridentate ligand DPA-Me (2) was readily prepared from DPA (DPA=2,2'-dipicolylamine) in high yield. The mixture of 2 and Cu(ClO₄)₂·6H₂O in methanol gave a five-coordinated mononuclear complex [(DPA-Me)Cu(MeCN)(ClO₄)](ClO₄) (3). Recrystallization of 3 in CH₃NO₂ led to an activation of CH₃NO₂ to CN^- by the formation of product as a dinuclear cyanide bridged complex {[Cu(DPA-Me)]₂(CN)(ClO₄)₃·CH₃NO₂}_n (4). Both 3 and 4 were characterized by X-ray crystallography, IR spectroscopy and elemental analysis. The crystal of 4 was grown in space group P2₁/c with a=17.74582(15), b=13.89877(11), c=14.92546(13)Å, β=91.4246(8)°, V=3680.15(5)Å³, Z=4, D_c=1.695 g/cm³, F(000)=1912, C₂₈H₃₃Cl₃Cu₂N₈O₁₄, M_r=939.05, μ=1.602 cm^-1, CuKα radiation (λ=1.54184Å), R=0.0485 and wR=0.1246 for 6414 observed reflections with I>2σ(I).
- tridentate ligand,
- copper,
- activation,
- nitromethane,
- cyanide
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