Co-Assembly Induced Solid-State Stacking Transformation in Amino Acid-Based Crystals with Enhanced Physical...

Area of Science:

• Supramolecular Chemistry
• Crystal Engineering
• Materials Science

Background:

• Molecular packing in solid-state dictates supramolecular assembly properties.
• Understanding structure-property correlations in these assemblies remains a challenge.

Purpose of the Study:

• To investigate the co-assembly of aromatic bipyridine with acetylated glutamic acid.
• To achieve and analyze solid-state stacking transformations.
• To explore structure-property relationships in supramolecular organizations.

Main Methods:

• Co-assembly of aromatic bipyridine derivatives with acetylated amino acids.
• Solid-state structural analysis.
• Investigation of physical property enhancements.

Main Results:

• An unexpected cofacial to herringbone stacking transformation was observed.
• The co-assembly methodology enabled diverse molecular packings.
• Enhanced physical properties were achieved in the supramolecular organizations.

Conclusions:

• Co-assembly is a feasible approach for solid-state stacking transformations in supramolecular assemblies.
• This study opens opportunities for exploring molecular arrangement and properties.
• Crystal engineering can be utilized to tune supramolecular assembly characteristics.