Alloxan under pressure-squeezing an extremely dense molecular crystal structure

Nicholas P. Funnell, Craig L. Bull, Christopher J. Ridley, Simon Parsons, James P. Tellam

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The crystal structure of the small organic molecule, alloxan, has been explored using high-pressure neutron diffraction; its already efficiently-packed structure provides a ‘chemical head-start’ on the pressure experiment. At the highest pressure measured, alloxan reaches a density of 2.36 g cm−3—unprecedented for a C, H(D), N, O-containing organic material of appreciable molecular weight. Its crystal structure is stable untilca.6.5 GPa above which the sample starts to undergo amorphisation.

Original languageEnglish
Pages (from-to)6428-6431
Number of pages4
JournalChemical Communications
Volume56
Issue number47
DOIs
StatePublished - Jun 14 2020
Externally publishedYes

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