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DRAFT DICTIONARY CBF/imgCIF Extensions Dictionary |
Draft version 1.5 for comment |
Description:
Data items in the DIFFRN_MEASUREMENT category record details
about the device used to orient and/or position the crystal
during data measurement and the manner in which the
diffraction data were measured.
Examples:
Example 1 - based on PDB entry 5HVP and laboratory records for the
structure corresponding to PDB entry 5HVP
_diffrn_measurement.diffrn_id 'd1'
_diffrn_measurement.device '3-circle camera'
_diffrn_measurement.device_type 'Supper model X'
_diffrn_measurement.device_details 'none'
_diffrn_measurement.method 'omega scan'
_diffrn_measurement.details
; 440 frames, 0.20 degrees, 150 sec, detector distance 12 cm, detector
angle 22.5 degrees
;
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Example 2 - based on data set TOZ of Willis, Beckwith & Tozer
[Acta Cryst. (1991), C47, 2276-2277].
_diffrn_measurement.diffrn_id 's1'
_diffrn_measurement.device_type 'Philips PW1100/20 diffractometer'
_diffrn_measurement.method 'theta/2theta (\q/2\q)'
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Mandatory category: no
Copyright © 2005 International Union of Crystallography