Compression of glycolide-h4 to 6GPa

Ian B. Hutchison; Craig L. Bull; William G. Marshall; Simon Parsons; Andrew J. Urquhart; Iain D.H. Oswald

doi:10.1107/S2052520617015657

Compression of glycolide-h₄to 6GPa

Ian B. Hutchison, Craig L. Bull, William G. Marshall, Simon Parsons, Andrew J. Urquhart, Iain D.H. Oswald

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Abstract

This study details the structural characterization of glycolide-h₄as a function of pressure to 6GPa using neutron powder diffraction on the PEARL instrument at ISIS Neutron and Muon source. Glycolide-h₄, rather than its deuterated isotopologue, was used in this study due to the difficulty of deuteration. The low background afforded by zirconia-toughened alumina anvils nevertheless enabled the collection of data suitable for structural analysis to be obtained to a pressure of 5GPa. Glycolide-h₄undergoes a reconstructive phase transition at 0.15GPa to a previously identified form (II), which is stable to 6GPa.

Original language	English
Journal	Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials
Volume	73
Issue number	6
Pages (from-to)	1151-1157
Number of pages	7
ISSN	0108-7681
DOIs	https://doi.org/10.1107/S2052520617015657
Publication status	Published - 2017

Keywords

High pressure
Polymorphism
Phase transition
Neutron diffraction
Hydrogenated

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title = "Compression of glycolide-h4 to 6GPa",

abstract = "This study details the structural characterization of glycolide-h4 as a function of pressure to 6GPa using neutron powder diffraction on the PEARL instrument at ISIS Neutron and Muon source. Glycolide-h4, rather than its deuterated isotopologue, was used in this study due to the difficulty of deuteration. The low background afforded by zirconia-toughened alumina anvils nevertheless enabled the collection of data suitable for structural analysis to be obtained to a pressure of 5GPa. Glycolide-h4 undergoes a reconstructive phase transition at 0.15GPa to a previously identified form (II), which is stable to 6GPa. ",

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AU - Hutchison, Ian B.

AU - Bull, Craig L.

AU - Marshall, William G.

AU - Parsons, Simon

AU - Urquhart, Andrew J.

AU - Oswald, Iain D.H.

PY - 2017

Y1 - 2017

N2 - This study details the structural characterization of glycolide-h4 as a function of pressure to 6GPa using neutron powder diffraction on the PEARL instrument at ISIS Neutron and Muon source. Glycolide-h4, rather than its deuterated isotopologue, was used in this study due to the difficulty of deuteration. The low background afforded by zirconia-toughened alumina anvils nevertheless enabled the collection of data suitable for structural analysis to be obtained to a pressure of 5GPa. Glycolide-h4 undergoes a reconstructive phase transition at 0.15GPa to a previously identified form (II), which is stable to 6GPa.

AB - This study details the structural characterization of glycolide-h4 as a function of pressure to 6GPa using neutron powder diffraction on the PEARL instrument at ISIS Neutron and Muon source. Glycolide-h4, rather than its deuterated isotopologue, was used in this study due to the difficulty of deuteration. The low background afforded by zirconia-toughened alumina anvils nevertheless enabled the collection of data suitable for structural analysis to be obtained to a pressure of 5GPa. Glycolide-h4 undergoes a reconstructive phase transition at 0.15GPa to a previously identified form (II), which is stable to 6GPa.

KW - High pressure

KW - Polymorphism

KW - Phase transition

KW - Neutron diffraction

KW - Hydrogenated

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JO - Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials

JF - Acta Crystallographica Section B: Structural Science, Crystal Engineering and Materials

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