I cant see how you can have an anomalous Cullis R > 0 for centrics.  It is
Lack_of_closure/ Observed_Difference.

Maybe when the data was processed you have a residual Anom_diff which should be 0 but has been kept as a measure of error or something? If so I guess it could be 1?

Eleanor

William Scott wrote:

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Hi everyone:

How is an anomalous Cullis R defined for centric reflections? (If it is the F+ - F-, how can that be meaningful?)

Thanks.

Bill Scott





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