Crystallographic Information Framework

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Index

Macromolecular dictionary (mmCIF) version 2.0.09

_reflns_shell.meanI_over_sigI_obs

Name:
'_reflns_shell.meanI_over_sigI_obs'

Definition:

   The ratio of the mean of the intensities of the reflections
   classified as 'observed' (see _reflns.observed_criterion) in
   this shell to the mean of the standard uncertainties of the
   intensities of the 'observed' reflections in this
   shell.

Type: float

Mandatory item: no

Alias:
_reflns_shell_meanI_over_sigI_obs (cif_core.dic version 2.0.1)

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.