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(searched for: (10.5155/eurjchem.9.4.360-368.1774))
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European Journal of Chemistry, Volume 9; doi:10.5155/eurjchem.9.4.360-368.1774

Abstract:
Thiourea derivatives [N-(di-n-propylcarbamothioyl)-4-fluorobenzamide (HL1) and N-(di-n-propylcarbamothioyl)-4-bromobenzamide (HL2)] and their platinum complexes have been successfully synthesized and structurally characterized by spectroscopic 1H NMR, 13C NMR, COSY, HMQC, and FT-IR techniques. The structure of both complexes was also confirmed by single crystal X-ray diffraction studies. The study of X-ray single crystal diffraction shows that the supramolecular aggregation of the complexes is stabilized via weak interactions as well as stacking interactions such as C-H···π and π···π. The cis-[Pt(L1-S,O)2 showed C–H···π and π···π stacking interactions, whereas only C–H···π stacking interaction was observed in cis-[Pt(L2-S,O)2]. In addition, the strong classical and non-classical intermolecular hydrogen bonds are not found in the prepared complexes. Therefore, it can be said that the C–H···π and π···π stacking interactions play an important role in the formation of supramolecular structures of the complexes.
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