Journal of Chemical Crystallography

, Volume 41, Issue 8, pp 1099–1104

Synthesis and Structural Characterization of Dibromidobis(N,N′-dimethylthiourea-κS)cadmium(II) and Diiodidobis(N,N′-dimethylthiourea-κS)cadmium(II)

  • Saeed Ahmad
  • Muhammad Altaf
  • Helen Stoeckli-Evans
  • Anvarhusein A. Isab
  • Muhammam Riaz Malik
  • Saqib Ali
  • Shaukat Shuja
Original Paper

Abstract

Cadmium(II) complexes, dibromidobis(N,N′-dimethylthiourea-S)cadmium(II), [Cd(Dmtu)2Br2] (1) and diiodidobis(N,N′-dimethylthiourea-S)cadmium(II), [Cd(Dmtu)2I2] (2), have been prepared and their structures have been determined by X-ray crystal structure analysis. Compound 1 crystallized in the monoclinic space group C2/c, and the metal ion is situated on a twofold rotation axis. Compound 2 also crystallized in a monoclinic space group, P21/c, but here the molecules have no crystallographic symmetry. In both compounds the cadmium atom is bonded to two halide ions and to two dimethylthiourea molecules through the sulfur atoms in a tetrahedral environment. The molecules are linked via N–H⋯Halide hydrogen bonds to form infinite one-dimensional chains in 1 and infinite two dimensional networks in 2. The complexes were also characterized by IR and NMR spectroscopy and the data are consistent with the structures of the compounds.

Graphical Abstract

Cadmium(II) complexes, dibromidobis(N,N′-dimethylthiourea-S)cadmium(II), [Cd(Dmtu)2Br2] (1) and diiodidobis(N,N′-dimethylthiourea-S)cadmium(II), [Cd(Dmtu)2I2] (2), have been prepared and their structures have been determined by X-ray crystal structure analysis. In both compounds the cadmium atom is bonded to two halide ions and to two dimethylthiourea molecules through the sulfur atoms in a tetrahedral environment. The molecules are linked via N–H⋯Halide hydrogen bonds to form infinite one-dimensional chains in 1 and infinite two dimensional networks in 2. The complexes were also characterized by IR and NMR spectroscopy and the data are consistent with the structures of the compounds.

Keywords

Cadmium bromide Cadmium iodide N,N′-Dimethylthiourea Crystal structures 

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Saeed Ahmad
    • 1
  • Muhammad Altaf
    • 2
  • Helen Stoeckli-Evans
    • 2
  • Anvarhusein A. Isab
    • 3
  • Muhammam Riaz Malik
    • 4
  • Saqib Ali
    • 4
  • Shaukat Shuja
    • 4
  1. 1.Department of ChemistryUniversity of Engineering and TechnologyLahorePakistan
  2. 2.Institute of PhysicsUniversity of NeuchâtelNeuchâtelSwitzerland
  3. 3.Department of ChemistryKing Fahd University of Petroleum and MineralsDhahranSaudi Arabia
  4. 4.Department of ChemistryQuaid-i-Azam UniversityIslamabadPakistan

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