Citation: HAN Yi-De, ZHANG Jing, LIU Ning-Ning, WANG Yu, ZHANG Xia. Synthesis and Crystal Structure of a New Chargeassisted Hydrogen-bonded Host Framework [Co(en)₃]₂[Zr₂(C₂O₄)₇]·2H₂O[J]. Chinese Journal of Structural Chemistry, ;2015, 34(3): 435-440. doi: 10.14102/j.cnki.0254-5861.2011-0529 shu

Synthesis and Crystal Structure of a New Chargeassisted Hydrogen-bonded Host Framework [Co(en)₃]₂[Zr₂(C₂O₄)₇]·2H₂O

HAN Yi-De ^a ,
ZHANG Jing ^a ,
LIU Ning-Ning ^b ,
WANG Yu ^c ,
ZHANG Xia ^a,,

a.
a. Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China;
b.
b. School of Chemistry and Material Science, Liaoning Shihua University, Fushun, Liaoning 113001, China;
c.
c. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China

Corresponding author: ZHANG Xia,
Received Date: 8 October 2014
Available Online: 18 December 2014
Fund Project: This work was supported by the National Natural Science Foundation of China (Nos. 21301024, 21103017) (Nos. 21301024, 21103017)the Fundamental Research Funds for the Central Universities (N120305003) (N120305003)

Using the deep eutectic solvent formed of oxalic acid and choline chloride, a new charge-assisted hydrogen-bonded host framework [Co(en)₃]₂[Zr₂(C₂O₄)₇]·2H₂O (1) has been obtained. The title complex crystallizes in the monoclinic, space group P2₁/n (No. 14) with a=7.7448(10), b=14.5683(19), c=19.375(3)Å, β=92.124(2)°, V=2184.5(5)Å³, Z=4, D_c=1.996 g·cm^-3, F(000)=1332, μ=1.328 mm^-1, R=0.0353 and wR=0.0718 (I>2σ(I)). Single-crystal structure analysis reveals that the title complex possesses a 3D network assembled through a multitude of charge-assisted hydrogen bonds between the in situ generated anionic coordination complexes [Zr₂(C₂O₄)₇]^6- and metal complexes Co(en)₃³⁺.
- deep-eutectic solvent,
- metal complex,
- hydrogen-bonded host framework
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