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Figure 17
PFW Cholestane. Square root of the weight used in the least-squares refinement versus 1/σ(F2). The weights determined by a SHELX-type procedure are almost all much less than purely statistical estimates. The green line would correspond to simple statistical weights. The modification terms augment the standard uncertainties, i.e. reduce the weights.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 72| Part 5| October 2016| Pages 661-683
https://doi.org/10.1107/S2052520616012890
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