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Di-p-bromophenyl ether, a redetermined crystal structure derived from low-quality diffraction data.

Lars Eriksson1, Johan Eriksson, Jiwei Hu

  • 1Division of Structural Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden. lerik@struc.su.se

Acta Crystallographica. Section B, Structural Science
|November 10, 2004
PubMed
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Merging data from multiple crystals can overcome poor data quality in crystal structure analysis. This method successfully redetermined the flame retardant di-p-bromophenyl ether structure.

Area of Science:

  • Crystallography
  • Materials Science

Background:

  • High-quality diffraction data is crucial for accurate crystal structure analysis.
  • Limitations in single-crystal data quality can hinder structural determination.

Purpose of the Study:

  • To investigate the feasibility of compensating for poor crystal data quality by merging multi-crystal datasets.
  • To redetermine and refine the crystal structure of di-p-bromophenyl ether using this approach.

Main Methods:

  • Collecting diffraction data from multiple individual crystals of di-p-bromophenyl ether.
  • Merging the collected datasets to create a comprehensive data set.
  • Refining the crystal structure using the merged data.

Main Results:

Related Experiment Videos

  • The crystal structure of di-p-bromophenyl ether (C12H8Br2O) was successfully redetermined.
  • An acceptable conventional R factor (R1 = 0.06) was achieved using the merged data.
  • The results were superior to those obtainable from individual single-crystal datasets.

    • Conclusions:

    • Merging multi-crystal diffraction data is a viable strategy to overcome limitations of poor individual crystal quality.
    • This technique enables successful crystal structure analysis when single-crystal data is insufficient.
    • The refined structure of di-p-bromophenyl ether demonstrates the efficacy of the multi-crystal merging method.