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1,4,7,10-tetraoxacyclododecane-triphenylmethanethiol (1/2)
Marina S Fonari1, Eduard V Ganin, Wen-Jwu Wang
1Institute of Applied Physics, Academy of Sciences of Moldova, Academy str. 5, MD2028 Chisinau, Moldova. fonari.xray@phys.asm.md
Summary
This study details the crystal structure of a complex involving 1,4,7,10-tetraoxacyclododecane and triphenylmethanethiol. The molecules form chains and sheets through hydrogen bonding and phenyl group interactions.
Area of Science:
- Supramolecular Chemistry
- Crystal Engineering
- Organic Chemistry
Background:
- Understanding non-covalent interactions is crucial for designing molecular assemblies.
- Macrocyclic compounds and aromatic molecules are key building blocks in supramolecular chemistry.
Purpose of the Study:
- To elucidate the crystal structure of the complex formed between 1,4,7,10-tetraoxacyclododecane and triphenylmethanethiol.
- To investigate the role of hydrogen bonding and pi-pi interactions in the self-assembly of this complex.
Main Methods:
- Single-crystal X-ray diffraction analysis.
- Analysis of intermolecular interactions, including hydrogen bonds and C-H...pi interactions.
Main Results:
- The crystal structure reveals a centrosymmetric formula unit with 1,4,7,10-tetraoxacyclododecane in a [66] conformation.
- Triphenylmethanethiol molecules are linked to the macrocycle via a significant S-H...O hydrogen bond.
- Phenyl groups engage in edge-to-face conformations, forming chains along the [111] direction through attractive interactions.
- Chains associate into sheets mediated by C-H...pi interactions.
Conclusions:
- The study successfully determined the crystal structure and identified key intermolecular forces governing the assembly.
- The findings highlight the interplay of hydrogen bonding and pi-stacking in the formation of extended supramolecular architectures.