Investigating Absolute Stereochemical Configuration with Coulomb Explosion Imaging

Area of Science:

• Stereochemistry
• Physical Chemistry
• Molecular Imaging

Background:

• Assigning the absolute configuration of chiral molecules is a fundamental challenge in stereochemistry.
• Understanding enantiomeric structures is crucial for various scientific disciplines.

Purpose of the Study:

• To review the experimental basics of Coulomb Explosion Imaging (CEI) for determining absolute configuration.
• To highlight key results and limitations of CEI in molecular stereochemistry.
• To discuss the extension of CEI towards fundamental questions of molecular chirality.

Main Methods:

• Coulomb Explosion Imaging (CEI) technique.
• Analysis of molecular fragmentation patterns.
• Gas-phase molecular structure determination.

Main Results:

• CEI directly yields the absolute configuration of small molecules in the gas phase.
• Significant advancements have been made in applying CEI for stereochemical analysis.
• Limitations of the CEI technique have been identified and discussed.

Conclusions:

• CEI is a powerful method for directly determining the absolute configuration of chiral molecules.
• The technique shows promise for addressing fundamental questions in molecular chirality.
• Further research can extend CEI's capabilities beyond analytical applications.