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Protein Data Bank exchange dictionary (pdbx) version 1.0521
_diffrn_refln.angle_psi
Name:'_diffrn_refln.angle_psi'
Definition:
The diffractometer angle psi of a reflection in degrees. This angle corresponds to the specified orientation matrix and the original measured cell before any subsequent cell transformations.
Type: float
Mandatory item: no
Alias:_diffrn_refln_angle_psi (cif_core.dic version 2.0.1)
Category: diffrn_refln