Crystallographic Information Framework

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CIF_CORE > DIFFRACTION > REFLNS > REFLNS_SHELL

Index

Core dictionary version 3.0.14

_reflns_shell.meanI_over_suI_gt

Name:
_reflns_shell.meanI_over_suI_gt

Aliases:
_reflns_shell_meanI_over_sigI_obs
_reflns_shell.meanI_over_sigI_obs
_reflns_shell.meanI_over_sigI_gt
_reflns_shell_meanI_over_sigI_gt
_reflns_shell.meanI_over_uI_gt
_reflns_shell_meanI_over_uI_gt

Definition:

   
     Ratio of the mean intensity of significantly intense reflections (see
     _reflns.threshold_expression) in this shell to the mean standard
     uncertainty of the intensities in the shell.

Type: Real

Units: none


The permitted range is 0 → infinity

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.