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Hello Tom--

> OK, thanks.  Follow-on question, in the statement
> evaluate ($rms_sani_JNH=$result)
> evaluate ($R_sani_JNH=$result/12.3)
> 
> How are the $rms values determined?  And what is the factor of 12.3 for?
> 

The rms is sqrt( <(Dobs - Dcalc)^2> ), and the R value is given by eq. 3
or eq 5 in Clore, G.M. & Garrett, D.S. (1999) R-factor, Free R and
complete cross-validation for dipolar coupling refinement of NMR
structures. J. Am. Chem. Soc. 121, 9008-9012.

best regards--
Charles
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