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Crystallographic and IR spectral study ofcis-bis(creatinine-N)dinitro platinum(II)

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Abstract

Acis-Pt(creat)2(NO2)2 complex was synthesized stereoselectively in a high yield (65%) and characterized by IR spectral and X-ray diffraction analysis. Crystal data: Pt(C4H7N3O)2(NO2)2,M r=767.55, monoclinic, space groupP21/n,a=9.736(1),b=13.433(1),c=12.098(1) Å,β=110.55(1)°,V c=1482(1) Å3,Z=2,D x=3.441 g cm−3,λ(MoKα)=0.71073 Å,μ=97.0 cm−1,F(000)=1504,T=292 K,R=0.026 andR w=0.028 for 2061 observed reflections with I>2σ(I). The structure consists of Pt(creat)2(NO2)2 molecules disposed in general positions and joined by N-H⋯O and N-H⋯N hydrogen bonds. The platinum atom has square-planar PtN4 coordination of twocis disposed pairs of nitro [Pt-Nav 2.023(7) Å] and creatinine [Pt-N(endo)av 1.991(8) Å] ligands. The creatinine moieties are planar and tilted to the equatorial plane by ~80°.

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Authors and Affiliations

  1. Institute of Applied Mineralogy, Bulgarian Academy of Sciences, Rakovski 92, 1000, Sofia, Bulgaria

    J. Macicek

  2. Department of Chemistry, Sofia University, A. Ivanov Avenue 1, 1126, Sofia, Bulgaria

    O. Angelova, G. Gencheva, M. Mitewa & P. R. Bontchev

Authors
  1. J. Macicek
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  2. O. Angelova
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  3. G. Gencheva
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  4. M. Mitewa
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  5. P. R. Bontchev
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Macicek, J., Angelova, O., Gencheva, G. et al. Crystallographic and IR spectral study ofcis-bis(creatinine-N)dinitro platinum(II). Journal of Crystallographic and Spectroscopic Research 18, 651–658 (1988). https://doi.org/10.1007/BF01164285

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  • DOI: https://doi.org/10.1007/BF01164285

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