Crystallographic Information Framework

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Index

Macromolecular dictionary (mmCIF) version 2.0.09

_reflns_shell.meanI_over_sigI_gt

Name:
'_reflns_shell.meanI_over_sigI_gt'

Definition:

   The ratio of the mean of the intensities of the significantly
   intense reflections (see _reflns.threshold_expression) in
   this shell to the mean of the standard uncertainties of the
   intensities of the significantly intense reflections in this
   shell.

Type: float

Mandatory item: no

Alias:
_reflns_shell_meanI_over_sigI_gt (cif_core.dic version 2.3)

Related item: _reflns_shell.meanI_over_uI_gt (replaces)

Category: reflns_shell


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.