Crystal Structure of Biphenyl-3,3′-dicarboxylic Acid
Author Information
Author(s): Deng Shao-Hua, Zhao Jun, Mu Yi-Qiang, Li Cai, Liu Hui-Min
Primary Institution: College of Mechanical and Materials Engineering, China Three Gorges University
Hypothesis
The study investigates the crystal structure of biphenyl-3,3′-dicarboxylic acid obtained under hydrothermal conditions.
Conclusion
The crystal structure reveals that the compound forms one-dimensional zigzag chains linked by hydrogen bonds and further connected into two-dimensional layers by π-π stacking interactions.
Supporting Evidence
- The asymmetric unit contains one half molecule, with the complete molecule generated by a twofold axis.
- The two benzene rings form a dihedral angle of 43.11°.
- Intermolecular hydrogen bonds link the molecules into one-dimensional zigzag chains.
- These chains are connected into two-dimensional layers by weak π-π stacking interactions.
Takeaway
The researchers looked at how molecules of biphenyl-3,3′-dicarboxylic acid stick together to form a crystal, showing that they create chains and layers.
Methodology
The compound was synthesized in a Teflon-lined autoclave under hydrothermal conditions and analyzed using X-ray diffraction.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website