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Related Experiment Videos

Dichlorobis(3,5-dimethylpyrazole-N2)methylphenyltin(IV)

Casas1, Garcia-Martinez, Garcia-Tasende

  • 1Departamento de Quimica Inorganica, Facultade de Farmacia, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Galicia, Spain. qiscasas@usc.es.

Acta Crystallographica. Section C, Crystal Structure Communications
|August 16, 2000
PubMed
Summary

Researchers synthesized a novel tin(IV) compound, [SnCl(2)(CH(3))(C(6)H(5))(C(5)H(8)N(2))(2)], featuring an octahedral structure. This organotin complex exhibits polymeric chains due to hydrogen bonding between dimethylpyrazole ligands and chloride atoms.

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Area of Science:

  • Organometallic Chemistry
  • Coordination Chemistry
  • Materials Science

Background:

  • Tin(IV) compounds are versatile in synthesis and material applications.
  • Pyrazole derivatives are important ligands in coordination chemistry.
  • Understanding supramolecular structures informs the design of novel materials.

Purpose of the Study:

  • To synthesize and characterize a new organotin(IV) complex with dimethylpyrazole ligands.
  • To elucidate the molecular structure and bonding in the synthesized compound.
  • To investigate the supramolecular assembly and hydrogen bonding interactions.

Main Methods:

  • Synthesis of the title compound via reaction of dichloromethylphenyltin(IV) and 3,5-dimethylpyrazole.
  • Recrystallization from acetone to obtain pure crystals.

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  • Single-crystal X-ray diffraction to determine the molecular and crystal structure.

    • Main Results:

    • The title compound, [SnCl(2)(CH(3))(C(6)H(5))(C(5)H(8)N(2))(2)], was successfully synthesized.
    • The crystal structure reveals octahedral, all-trans [SnMePhCl(2)(dmpz)(2)] molecules.
    • Tin atom coordination involves two carbon, two chlorine, and two nitrogen atoms, with specific bond lengths.
    • Dimethylpyrazole ligands form intra- and intermolecular hydrogen bonds with chloride ligands, leading to a polymeric chain structure along the c axis.

    Conclusions:

    • The study successfully synthesized and characterized a novel organotin(IV) complex.
    • The compound exhibits a unique octahedral geometry and a polymeric structure driven by hydrogen bonding.
    • This work contributes to understanding the coordination chemistry of tin and the formation of supramolecular architectures.