Crystallographic Information Framework

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Index

Core dictionary (coreCIF) version 2.4.5

_refine_ls_shift/su_mean_lt

Name:
'_refine_ls_shift/su_mean_lt'

Definition:

   An upper limit for the average ratio of the final
   least-squares parameter shift to the
   final standard uncertainty.  This
   item is used when the average value of the shift divided by
   the final standard uncertainty is too small to measure.


The permitted range is 0.0 -> infinity

Related item: _refine_ls_shift/su_mean (alternate)

Type: numb

Category: refine


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.