An unforeseen polymorph of coronene by the application of magnetic fields during crystal growth

Jason Potticary; Lui R. Terry; Christopher Bell; Alexandros N. Papanikolopoulos; Peter C. M. Christianen; Hans Engelkamp; Andrew M. Collins; Claudio Fontanesi; Gabriele Kociok-köhn; Simon Crampin; Enrico Da Como; Simon R. Hall

doi:10.1038/ncomms11555

An unforeseen polymorph of coronene by the application of magnetic fields during crystal growth

Jason Potticary, Lui R. Terry, Christopher Bell, Alexandros N. Papanikolopoulos, Peter C. M. Christianen, Hans Engelkamp, Andrew M. Collins, Claudio Fontanesi, Gabriele Kociok-köhn, Simon Crampin, Enrico Da Como, Simon R. Hall

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Abstract

The continued development of novel drugs, proteins, and advanced materials strongly rely on our ability to self-assemble molecules in solids with the most suitable structure (polymorph) in order to exhibit desired functionalities. The search for new polymorphs remains a scientific challenge, that is at the core of crystal engineering and there has been a lack of effective solutions to this problem. Here we show that by crystallizing the polyaromatic hydrocarbon coronene in the presence of a magnetic field, a polymorph is formed in a β-herringbone structure instead of the ubiquitous γ-herringbone structure, with a decrease of 35° in the herringbone nearest neighbour angle. The β-herringbone polymorph is stable, preserves its structure under ambient conditions and as a result of the altered molecular packing of the crystals, exhibits significant changes to the optical and mechanical properties of the crystal.

Original language	English
Article number	11555
Pages (from-to)	1-7
Number of pages	7
Journal	Nature Communications
Volume	7
Early online date	10 May 2016
DOIs	https://doi.org/10.1038/ncomms11555
Publication status	Published - 10 May 2016

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Simon Crampin
- S.Crampinbath.acuk
Person: Research & Teaching, Core staff
Enrico Da Como
- E.Da.Comobath.acuk
- Department of Physics - Reader
- Condensed Matter and Quantum Materials - Head of Group
- Condensed Matter Physics CDT
- Centre for Photonics and Photonic Materials
Person: Research & Teaching, Core staff

Dual source (Cu and Mo) Single Crystal Diffractometer (SuperNova)
Material and Chemical Characterisation (MC2)
Facility/equipment: Equipment
MC2- X-ray diffraction (XRD)
Material and Chemical Characterisation (MC2)
Facility/equipment: Technology type

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Potticary, J., Terry, L. R., Bell, C., Papanikolopoulos, A. N., Christianen, P. C. M., Engelkamp, H., Collins, A. M., Fontanesi, C., Kociok-köhn, G., Crampin, S., Da Como, E., & Hall, S. R. (2016). An unforeseen polymorph of coronene by the application of magnetic fields during crystal growth. Nature Communications, 7, 1-7. Article 11555. https://doi.org/10.1038/ncomms11555

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AU - Christianen, Peter C. M.

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An unforeseen polymorph of coronene by the application of magnetic fields during crystal growth

Abstract

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Profiles

Simon Crampin

Enrico Da Como

Equipment

Dual source (Cu and Mo) Single Crystal Diffractometer (SuperNova)

MC2- X-ray diffraction (XRD)

Cite this