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

Research output: Contribution to journalArticle

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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.
LanguageEnglish
Article number11555
JournalNature Communications
Volume7
DOIs
StatusPublished - 10 May 2016

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Magnetic Fields
Hydrocarbons
Crystallization
Polymorphism
crystal growth
Magnetic fields
magnetic fields
Pharmaceutical Preparations
crystals
Proteins
Crystal engineering
Crystals
drugs
hydrocarbons
engineering
mechanical properties
proteins
optical properties
Optical properties
Mechanical properties

Cite this

Potticary, J., Terry, L. R., Bell, C., Papanikolopoulos, A. N., Christianen, P. C. M., Engelkamp, H., ... Hall, S. R. (2016). An unforeseen polymorph of coronene by the application of magnetic fields during crystal growth. Nature Communications, 7, [11555]. https://doi.org/10.1038/ncomms11555

An unforeseen polymorph of coronene by the application of magnetic fields during crystal growth. / Potticary, Jason; Terry, Lui R.; Bell, Christopher; Papanikolopoulos, Alexandros N.; Christianen, Peter C. M.; Engelkamp, Hans; Collins, Andrew M.; Fontanesi, Claudio; Kociok-köhn, Gabriele; Crampin, Simon; Da Como, Enrico; Hall, Simon R.

In: Nature Communications, Vol. 7, 11555, 10.05.2016.

Research output: Contribution to journalArticle

Potticary, J, Terry, LR, Bell, C, Papanikolopoulos, AN, Christianen, PCM, Engelkamp, H, Collins, AM, Fontanesi, C, Kociok-köhn, G, Crampin, S, Da Como, E & Hall, SR 2016, 'An unforeseen polymorph of coronene by the application of magnetic fields during crystal growth' Nature Communications, vol. 7, 11555. https://doi.org/10.1038/ncomms11555
Potticary J, Terry LR, Bell C, Papanikolopoulos AN, Christianen PCM, Engelkamp H et al. An unforeseen polymorph of coronene by the application of magnetic fields during crystal growth. Nature Communications. 2016 May 10;7. 11555. https://doi.org/10.1038/ncomms11555
Potticary, Jason ; Terry, Lui R. ; Bell, Christopher ; Papanikolopoulos, Alexandros N. ; Christianen, Peter C. M. ; Engelkamp, Hans ; Collins, Andrew M. ; Fontanesi, Claudio ; Kociok-köhn, Gabriele ; Crampin, Simon ; Da Como, Enrico ; Hall, Simon R. / An unforeseen polymorph of coronene by the application of magnetic fields during crystal growth. In: Nature Communications. 2016 ; Vol. 7.
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