5,6-Diphenyl[1,3]dithiolo[4,5-b]-dithiine-2-thione

Area of Science:

• Organic Chemistry
• Crystallography
• Materials Science

Background:

• Sulfur-containing heterocyclic compounds are crucial in materials science and medicinal chemistry.
• Understanding the three-dimensional structure of novel organic molecules provides fundamental insights into their properties and potential applications.

Purpose of the Study:

• To elucidate the crystal structure and molecular conformation of the title compound, C(17)H(10)S(5).
• To analyze the geometric parameters, including ring conformations and phenyl group orientations.
• To investigate intermolecular interactions, specifically sulfur-sulfur contacts.

Main Methods:

• Single-crystal X-ray diffraction was employed to determine the molecular structure.
• Analysis of bond lengths, bond angles, and dihedral angles provided conformational details.
• Intermolecular sulfur-sulfur distances were calculated from the crystallographic data.

Main Results:

• The dithiine ring adopts a boat conformation, while the dithiole ring exhibits an envelope conformation.
• The planar phenyl groups form specific dihedral angles (40.7(2)° and 59.8(2)°) with the dithiine ring plane.
• The shortest intermolecular sulfur-sulfur contact was found to be 3.305(2) Å.

Conclusions:

• The study provides a detailed structural characterization of a unique sulfur-rich organic compound.
• The observed conformations and intermolecular contacts offer insights into the packing and potential solid-state properties.
• This structural data serves as a foundation for further investigations into the reactivity and applications of this class of compounds.