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High-pressure sapphire capillary cell for synchrotron single-crystal X-ray diffraction measurements to 1500 bar
DOI:
10.1107/S1600576720013710
Authors:
Charles J.
Mcmonagle
(The University of Edinburgh; Newcastle University)
,
David R.
Allan
(Diamond Light Source)
,
Mark R.
Warren
(Diamond Light Source)
,
Konstantin V.
Kamenev
(The University of Edinburgh)
,
Gemma F.
Turner
(The University of Western Australia)
,
Stephen A.
Moggach
(The University of Western Australia)
Co-authored by industrial partner:
No
Type:
Journal Paper
Journal:
Journal Of Applied Crystallography
, VOL 53
State:
Published (Approved)
Published:
December 2020
Diamond Proposal Number(s):
15190
,
14164
Abstract: A new sapphire capillary pressure cell for single-crystal X-ray diffraction measurements at moderate pressures (200−1500 bar; 1 bar = 100 kPa) has been developed and optimized for use on beamline I19 at Diamond Light Source. The three-component cell permits optical centring of the crystal and in situ pressure modification to a precision of 1 bar. Compression of hexamethylenetetramine and its deuterated analogue to 1000 bar was performed, showcasing the accuracy and precision of the measurements, and highlighting evidence of a geometric isotope effect.
Journal Keywords: high pressure; pressure cells; capillaries; single crystals; synchrotron radiation
Subject Areas:
Technique Development
Instruments:
I19-Small Molecule Single Crystal Diffraction