Re: [Ifeffit] EXAFS analysis with FEFF

2007-02-27 Thread Bruce Ravel
Hi Gemma, I am not sure that I have the whole answer for you. I too have had trouble at times getting feff8 to run with hydrogen atoms in the cluster. I am CCing my response to the mailing lists for Feff and Ifeffit in hopes that someone else might have some more wisdom for you. The feff.inp

Re: [Ifeffit] Fwd: Re: why ss_2 is negative?

2007-02-27 Thread Carlo Segre
Hello Hao: I took a look at your fits _very_ briefly. Just a couple of things to note. The range of chi(k) which you use in the fit is probably a bit large. You are starting at 2.1 and the data at that point is really not usable. I would start at 3 or so. On the high end, it seems OK. The