Crystallographic Information Framework

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Index

Macromolecular dictionary (mmCIF) version 2.0.09

_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


International Tables for Crystallography

Volume G: Definition and exchange of crystallographic data

First online edition (2006)

Edited by S. R. Hall and B. McMahon

An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.