23 October 2018

Breakthrough - electron crystallography for everyone

Recent advances in electron crystallography published in Angewandte Chemie and highlighted by Science, Chemical & Engineering News and ScienceNews and was selected as one out of twelve candidates worldwide by the Science Magazine for the research Breakthrough of the Year 2018!

"Rapid structure determination of microcrystalline molecular compounds using electron diffraction", published in Angewandte Chemie International Edition has attracted great attention in the chemistry community. This publication in Angewandte was selected as one out of twelve candidates worldwide by the Science Magazine for the research Breakthrough of the Year 2018 (http://www.sciencemag.org/news/2018/11/choose-your-2018-breakthrough-year), and made the fifth rank.

T. Gruene, J. Wennmacher and co-authors set up an electron diffractometer that works as efficiently as an X-ray diffractometer, the standard equipment in nearly every chemistry department - just that electron crystallography works on samples million times smaller than X-rays and therefore determines the single structure from crystals smaller than the a single grain of icing suger. The authors present the complex structure of a methylene blue derivative, and the determined the single crystals structure of an API directly from a powder blend. The zeolite ZSM-5 was essential for the "crystallographic calibration", which was key to the efficiency of the instrument.

The work was named a landmark paper and reached the 98th percentile among nearly 150,000 scientific articles.

The media have been very excited about this work, with interviews from Science, Chem & Eng News and reports in Phys. Org..

More references to the paper published in Angewandte appeared in Nature and in ScienceNew.

Every chemistry department in the world uses X-ray diffractometers for daily work. From now on, they can double their output with an electron diffractometer.
Contact
Dr. Tim Grüne
Scientist
Laboratory for Catalysis and Sustainable Chemistry
Paul Scherrer Institut
Telephone: +41 56 310 5297
E-mail: tim.gruene@psi.ch
Original Publication
Rapid structure determination of microcrystalline molecular compounds using electron diffraction


Tim Gruene, Julian T. C. Wennmacher, Christian Zaubitzer, Julian J. Holstein, Jonas Heidler, Ariane Fecteau-Lefebvre, Sacha De Carlo, Elisabeth Müller, Kenneth N. Goldie, Irene Regeni, Teng Li, Gustavo Santiso-Quinones, Gunther Steinfeld, Stefan Handschin, Eric van Genderen, Jeroen A. van Bokhoven, Guido H. Clever, and Radosav Pantelic


Angewandte Chemie International Edition, 16.10.2018
Original article in Angewandte: https://onlinelibrary.wiley.com/doi/10.1002/anie.201811318