Nandini, I suggest you look at the paper "Rietveld refinement guidelines", J. Appl. Cryst. (1999) 32, 36-50. Bob Von Dreele
-----Original Message----- From: Nandini Devi Radhamonyamma [mailto:[EMAIL PROTECTED] Sent: Thu 2/26/2004 8:38 AM To: [EMAIL PROTECTED] Thank you. In parallel with single crystal analysis, is there an accepted limit for R(F2) or any other parameter like Rexp to follow? I'm using synchrotron data. nandini --- "Von Dreele, Robert B." <[EMAIL PROTECTED]> wrote: > Nandini, > GSAS gives R(F^2) which is sometimes defined for > single crystal structure analysis. It can be used in > the same way as RBragg. Neither is statistically > related to the minimization process in a Rietveld > least squares refinement, but can be a useful > diagnostic for the quality of the structural fit to > the reflection intensities. > Bob Von Dreele > > > -----Original Message----- > From: Nandini Devi Radhamonyamma > [mailto:[EMAIL PROTECTED] > Sent: Thu 2/26/2004 5:15 AM > To: [EMAIL PROTECTED] > > Hi All, > > How important is Rbragg in powder data structure > solution? Does GSAS suit give this parameter? > > __________________________________ __________________________________ Do you Yahoo!? Get better spam protection with Yahoo! Mail. http://antispam.yahoo.com/tools
