Quantitative analysis of intermolecular interactions in solid state of a family of pyrazole-based pro-ligands

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Detalhes
  • Tipo de apresentação: e-Pôster
  • Eixo temático: Físico-Química - FIS
  • Palavras chaves: Hirshfeld surface; Supramolecular; pyrazole;
  • 1 Universidade Federal Fluminense

Quantitative analysis of intermolecular interactions in solid state of a family of pyrazole-based pro-ligands

Bruno Peixoto Rodrigues

Universidade Federal Fluminense

Resumo

In order to fully comprehend and describe chemical, physical or biological properties of new compounds, a proper understanding on how their molecules are involved in intermolecular interactions and how these contacts affect the stabilization of their agglomerates is necessary. Therefore, the crystal structures of a family of pyrazole pro-ligands were determined by single crystal X-ray diffraction and employed in the study of intermolecular interactions established by such compounds, in terms of packing and internuclear distances. More so, a deeper understading of these interactions was achieved by analyzing each intermolecular contact as a function of the electronic density mapped around each molecule, utilizing the Hirshfeld surface. These surfaces were generated by the Crystal Explorer Software using the pre-obtained structural information, and employed in the quantitative evaluation of existing contacts among the pyrazole-based system in the solid state. The quantitative evaluation afforded a common interactive pattern in the family, highlighting that closed-shell interactions and aromatic interactions were predominant in the stabilization of the crystal packing.

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