Compression of glycolide-h4 to 6 GPa

被引：11

作者：

Hutchison, Ian B. ^{[1
]}

Bull, Craig L. ^{[2
]}

Marshall, William G. ^{[2
]}

Parsons, Simon ^{[3
,4
]}

Urquhart, Andrew J. ^{[5
]}

Oswald, Iain D. H. ^{[1
]}

机构：

[1] Univ Strathclyde, Strathclyde Inst Pharm & Biomed Sci, 161 Cathedral St, Glasgow G4 0RE, Lanark, Scotland

[2] Rutherford Appleton Lab, ISIS Neutron & Muon Source, Sci & Technol Facil Council, Harwell OX11 0QX, Berks, England

[3] Univ Edinburgh, Sch Chem, Kings Bldg West Mains Rd, Edinburgh EH9 3FJ, Midlothian, Scotland

[4] Univ Edinburgh, Ctr Sci Extreme Condit, Kings Bldg West Mains Rd, Edinburgh EH9 3FJ, Midlothian, Scotland

[5] Tech Univ Denmark, Dept Micro & Nanotechnol, Orsteds Plads,Bldg 345O, DK-2800 Lyngby, Denmark

来源：

ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS | 2017年 / 73卷

基金：

英国工程与自然科学研究理事会;

关键词：

high pressure; polymorphism; phase transition; neutron diffraction; hydrogenated; PRESSURE-INDUCED POLYMERIZATION; RING-OPENING POLYMERIZATION; EQUATION-OF-STATE; NEUTRON-DIFFRACTION; CHEMICAL-REACTIONS; PHASE-TRANSITION; ACRYLIC-ACID; POLYMORPHISM; GAS; BEHAVIOR;

D O I：

10.1107/S2052520617015657

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This study details the structural characterization of glycolide-h(4) as a function of pressure to 6 GPa using neutron powder diffraction on the PEARL instrument at ISIS Neutron and Muon source. Glycolide-h(4), 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 5 GPa. Glycolide-h(4) undergoes a reconstructive phase transition at 0.15 GPa to a previously identified form (II), which is stable to 6 GPa.

引用

页码：1151 / 1157

页数：7

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