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Vol. 27 No. 2 (2015): Vol 27 Issue 2

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Synthesis and Crystal Structure Analysis of Co(II) Complex with Terpyridine Ligand

https://doi.org/10.14233/ajchem.2015.18375
Dan Sun
Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P.R. China
Xue-Mei Yuan
Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P.R. China
Xiao-Xiao Yu
Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P.R. China
Hai-Jun Xu
Jiangsu Key Lab of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, P.R. China

Corresponding Author(s) : Hai-Jun Xu

xuhaijun@njfu.edu.cn

Asian Journal of Chemistry, Vol. 27 No. 2 (2015): Vol 27 Issue 2

Abstract

The Co(II) complex, [CoL2].[(ClO4)2]·[H2O] [L = 4'-(4-cyanophenyl)-2,2':6',2''-terpyridine], has been synthesized by the reaction of tridentate ligand L with Co(ClO4)2·6H2O and its structure was characterized by X-ray crystal structure analysis. The structure indicates that the complex belongs to monoclinic, space group Cc with a = 1.4018 (12) nm, b = 1.2223(10) nm, c = 2.520(2) nm, b = 100.676(9)º. V = 4.244 (6) nm3, Z = 4, Dc = 1.479 Mg m-3, μ = 0.598 mm-1, F(000) = 1932 and final R1 = 0.0683, wR2 = 0.1461. The result shows a Co(II) ion is six-coordinated by two tridentate 4'-(4-cyanophenyl)-2,2':6',2''-terpyridine ligand and forms a distorted octahedral-pyramidal geometry. The two benzene rings adjacent to the pyridines form dihedral angles of 31.76 (0.32) and 32.36 (0.33)° with the central pyridine ring systems, respectively. One of the ClO4 groups is disordered in two orientation with the site-occupancy factors 0.71 (2) and 0.29 (2). CCDC: 681080.

Keywords

Terpyridine Crystal structure Co(II) complex
Sun, D., Yuan, X.-M., Yu, X.-X., & Xu, H.-J. (2015). Synthesis and Crystal Structure Analysis of Co(II) Complex with Terpyridine Ligand. Asian Journal of Chemistry, 27(2), 753–755. https://doi.org/10.14233/ajchem.2015.18375
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