Data Category diffrn
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General 
- Category name
- diffrn
- Required in PDB entries
- No
- Category group membership
- diffrn_group
- Used in current PDB entries
- Yes, in about 85.4 % of entries
Category Relationship Diagrams 
View full category relationship diagram including all dictionary data categories
View abbreviated category relationship diagram including only those categories used in current PDB entries.
Category Description
Additional Descriptive Information for Depositors
For each native diffraction data set enter the temperature (in Kelvin) at which the diffraction data were measured.
Category Example1
_diffrn.id 'Set1'
_diffrn.ambient_temp 293(3)
_diffrn.ambient_environment
; Mother liquor from the reservoir of the vapor diffusion experiment,
mounted in room air
;
_diffrn.crystal_support
; 0.7 mm glass capillary, sealed with dental wax
;
_diffrn.crystal_treatment
; Equilibrated in rotating anode radiation enclosure for 18 hours prior
to beginning of data collection.
;
Category Example2
_diffrn.id 'd1'
_diffrn.details
;
\q scan width (1.0 + 0.14tan\q)\%, \q scan rate 1.2\% per min.
Background counts for 5 sec on each side every scan.
;
_diffrn.ambient_temp 293
Additional Category Example for Depositors
_diffrn.id 1
_diffrn.ambient_temp 298
