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Palladium(II) complexes of N2O2 and N2S2 ligands: Syntheses and X-ray crystal structures

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Abstract

Palladium(II) complexes of an imine-thiophene ligand N,N′ bis(1-methylenethiophene)-1,3-diaminopropane and an amine-phenol ligand N,N′-bis(2-hydroxybenzyl)1,3-diamino-2,2-dimethylpropane were synthesized by reacting K2PdCl4 with alcoholic solutions of the ligands. X-ray structures of the complexes were determined using data from a CAD-4 Nonius diffractometer (MoKα radiation). The structures were solved by conventional methods resulting inR factors of 0.044 and 0.061 using 1841 and 2241 independent reflections, respectively. Crystal data: Complex I, orthorhombic, space groupPbca,a=11.323(2),b=14.819(2),c=23.873(3)Å,V=4006(1)Å3,Z=8. Complex II: Space groupP21/c,a=9.169(2),b=31.920(4),c=8.902(6),β=90.38(2)°,V=2605(1)Å3.Z=4. Both complexes showed coordination of the ligands through the nitrogens only while the sulphur and the oxygen atoms were uncoordinated. Square planar coordination is completed bycis chloro ligands.

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References

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Authors and Affiliations

  1. Isotope Division, Bhabha Atomic Research Centre, 400 085, Bombay, India

    M. R. A. Pillai

  2. Department of Radiology, Radiopharmaceuticals Chemistry, George Washington University Medical Centre, 20037, Washington, DC

    C. S. John

  3. Department of Chemistry, University of Missouri-Columbia, 65211, Missouri

    E. O. Schlemper

Authors
  1. M. R. A. Pillai
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  2. C. L. Barnes
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  3. C. S. John
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  4. D. E. Troutner
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  5. E. O. Schlemper
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Deceased.

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Pillai, M.R.A., Barnes, C.L., John, C.S. et al. Palladium(II) complexes of N2O2 and N2S2 ligands: Syntheses and X-ray crystal structures. Journal of Crystallographic and Spectroscopic Research 23, 949–953 (1993). https://doi.org/10.1007/BF01185542

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  • DOI: https://doi.org/10.1007/BF01185542

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