Crystallographic Information Framework

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Core dictionary (coreCIF) version 2.4.5




   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