X-ray Structure and DFT Studies of a New Square Planar Silver(I) Complex of Ketene S,S-Dithioacetal Ligand

  • Saied. M. SolimanEmail author
  • Yahia Nasser MabkhotEmail author
  • Jörg H. Albering
Original Paper


The [AgL2]ClO4 complex, where L is ketene S,S-dithioacetal type ligand, is synthesized and characterized using elemental analysis, different spectroscopic techniques (FTIR and NMR) and single crystal X-ray diffraction (SC-XRD). The Ag-atom is coordinated by two oxygen and two sulfur atoms of both bidentate ligands resulting in a distorted square planar environment augmented by two weak contacts with two oxygen atoms from the perchlorate anion. The H⋯H (42.0%), O⋯H (29.7%), C⋯H (10.8%) and S⋯H (11.7%) intermolecular contacts were quantified using Hirshfeld analysis. The PBEPBE and WB97XD methods are the best to predict the Ag–S and Ag–O(L) distances. Natural bond orbital (NBO) analysis showed that each ligand (L) transferred 0.1507 e (exp. 0.1715 e) to Ag-atom while the perchlorate anion lost 0.1748 e (exp. 0.1481 e) to silver {0.5227 e (exp. 0.5088 e)}.

Graphical Abstract

The structure aspects of the newly synthesized square planar [AgL2]ClO4 complex, where L is ketene S,S-dithioacetal ligand, were analyzed using different spectroscopic techniques (FT-IR, NMR) and X-ray single crystal structure combined with DFT calculations.


Silver(I) Ketene S,S-dithioacetal Square planar Hirshfeld NBO 



The authors extend their appreciation to the Deanship of Scientific Research at King Khalid University for its funding this prolific research group No. (R. G. P. 2/17/40/2019).

Supplementary material

10870_2019_772_MOESM1_ESM.docx (3.9 mb)
Supplementary Information FTIR and NMR spectra as well as some details regarding Hirshfeld analysis and DFT results are given as supplementary information—Supplementary material 1 (DOCX 3995 KB)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Chemistry, Faculty of ScienceAlexandria UniversityAlexandriaEgypt
  2. 2.Department of Chemistry, College of Science & ArtsKing Abdulaziz UniversityRabighSaudi Arabia
  3. 3.Department of pharmaceutical Chemistry, College of pharmacyKing Khalid UniversityAbhaSaudi Arabia
  4. 4.Graz University of TechnologyGrazAustria

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