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Determining complex crystal structures from high pressure single-crystal diffraction data collected on synchrotron sources

DOI: 10.1080/08957959.2013.831087 DOI Help

Authors: Malcolm Mcmahon (University of Edinburgh) , Ingo Loa (University of Edinburgh) , Graham Stinton (University of Edinburgh) , L. F. Lundegaard (School of Physics and Centre for Science at Extreme Conditions, The University of Edinburgh)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: High Pressure Research , VOL 33 (3) , PAGES 485 - 500

State: Published (Approved)
Published: September 2013

Abstract: As part of a Long Term Project, single-crystal diffraction techniques have been developed for use at the high pressure beamlines ID09 and ID27 at the European Synchrotron Radiation Facility, and have been utilised to determine the crystal structures of various high pressure phases, including those with incommensurate structures, at both high and low temperatures. The same techniques have also been used to determine the structures of high pressure phases at the SRS, Diamond and Petra-III synchrotron sources. In this paper, we describe technical details of the methods developed, and describe some of the considerations necessary for planning experiments and collecting and processing the data. We then illustrate the quality of data that can be obtained, and the complexity of the structures that can be refined, using recent results obtained from complex high pressure phases of N2 and Ba.

Journal Keywords: High Pressure; Single-Crystal; Diffraction; Crystallography

Subject Areas: Technique Development, Chemistry

Instruments: I15-Extreme Conditions , I19-Small Molecule Single Crystal Diffraction

Other Facilities: ESRF and, most recently, on the P02.2 beamline at Petra-III

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