Related Experiment Video
Updated: Jun 17, 2025
06:35
Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
Published on: February 15, 2016
8.1K
Crystal Structure Landscape of Diarylethene-Based Crystalline Solids: A Comprehensive CSD Analysis
Xiaotong Zhang1, Travis B Mitchell1, Jason B Benedict1
1Department of Chemistry, University at Buffalo, Natural Sciences Complex, Buffalo, New York 14260-3000, United States.
Crystal Growth & Design
|August 12, 2024
Summary
Diarylethenes (DAEs) are light-responsive molecules. Analyzing 1349 DAE structures revealed diverse geometries, aiding understanding of their crystal landscape and photoactivity, despite isomer complexities.
Area of Science:
- Materials Science
- Organic Chemistry
- Crystallography
Background:
- Diarylethenes (DAEs) are stimulus-responsive organic molecules known for photo-induced electrocyclization.
- The presence of atropisomers, where only one isomer is photoactive, complicates the rational design of DAE-based crystalline materials.
Purpose of the Study:
- To analyze the crystal structure landscape of diarylethenes (DAEs).
- To investigate the relationship between chemical/geometric attributes and observed isomers/reactivity in DAE crystalline materials.
Main Methods:
- Data mining of the Cambridge Structural Database (CSD) to identify 1349 unique DAE structures.
- Analysis of 1078 dithienylethene (DTE) structures, a major subgroup of DAEs.
- Utilizing D-D parameterization to explore molecular geometries and crystal packing.
Main Results:
- A vast array of molecular geometries was observed in the DAE crystal structures.
- The study linked specific chemical and geometric parameters to observed isomers and their reactivity.
- Potential biases within the analyzed DAE ensemble complicate definitive causal relationship determination.
Conclusions:
- This comprehensive retrospective analysis provides a foundational understanding of the DAE crystal landscape.
- The findings are crucial for advancing the design and application of photoactive DAE materials.
- Further research is needed to overcome biases and establish clearer structure-reactivity relationships.
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