Crystallographic Information Framework

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Core dictionary (coreCIF) version 2.4.5




   An upper limit for the largest ratio of the final
   least-squares parameter shift to the final
   standard uncertainty.  This item is used when the largest
   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_max (alternate)

Type: numb

Category: refine