Journal of Chemical Crystallography

, Volume 42, Issue 8, pp 879–883 | Cite as

Two New Isomeric Di-μ-oxo Bis[oxovanadium(V)] Complexes Containing Schiff Base Ligands

  • Shu-Jing Li
  • Ke Li
  • Xiao-Yang Qiu
  • Xin-Jian Yao
Original Paper


Two new isomeric dioxovanadium(V) complexes, [VO2L1]2 (1) and [VO2L2]2 (2), bearing the tridentate Schiff base ligands 2-[(2-ethylaminoethylimino)methyl]-6-methoxyphenolate (L1) and 2-[(2-ethylaminoethylimino)methyl]-5-methoxyphenolate (L2), have been synthesized and characterized by IR spectroscopy and elemental analysis. The X-ray single-crystal structural analysis indicates that the structure of 1 crystallizes to a monoclinic system, with a space group P21/c, a = 6.915(2) Å, b = 9.666(3) Å, c = 20.156(3) Å, β = 97.540(3)°, and Z = 2. The structure of 2 crystallizes to a triclinic system, with a space group P−1, a = 6.747(5) Å, b = 11.320(8) Å, c = 17.790(13) Å, α = 98.060(6)°, β = 99.244(7)°, γ = 92.730(7)°, and Z = 2. Each V atom in the centrosymmetric complexes is six-coordinate through three bonds to oxo groups and through bonds to the tridentate Schiff base ligand, forming an octahedral coordination.

Graphical Abstract

Two new isomeric dioxovanadium(V) complexes have been synthesized and characterized.


Vanadium complex Schiff base Synthesis Crystal structure 



This work was supported by the Key Scientific and Technological Project of Henan (112102310562), the Fundamental and Frontier Technology Program of Henan (082300420200), the Foundation of Henan Educational Committee (2011B150040), the Scientific Research Innovation Foundation for youth teachers of Zhoukou Normal University (zknuqn201129B), the Foundation for University Key Teacher by Henan Educational Committee (2010GGJS-157), and the NSF of Henan Educational Committee (2011B150028).


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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Department of ChemistryZhoukou Normal UniversityHenanPeople’s Republic of China
  2. 2.Department of ChemistryShangqiu Normal UniversityShangqiuPeople’s Republic of China

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