[Ifeffit] Hard tests failed in fovrg

2009-01-30 Thread tony vitova
Hi all,   I am trying to fit Eu L3 edge EXAFS data of Eu complex whose structure is known (hopefully correct). The default feff6l in Artemis reports an error  “Hard tests failed in fovrg. Muffin-tin radius may be too large; coordination number too small“. When I run feff8.2, this error

Re: [Ifeffit] Hard tests failed in fovrg

2009-01-30 Thread Bruce Ravel
On Friday 30 January 2009 08:49:36 am tony vitova wrote: Hi all,   I am trying to fit Eu L3 edge EXAFS data of Eu complex whose structure is known (hopefully correct). The default feff6l in Artemis reports an error  “Hard tests failed in fovrg. Muffin-tin radius may be too large;

[Ifeffit] Self absorption Correction

2009-01-30 Thread Jens Kruse
Hi there, I have measured a pure reference compound with high absorber concentration in fluorescence mode (P K-edge XANES). I tried to use the Self absorption correction included in Athena but I don't really understand the results. Fist: Do I have to use the edge step normalized spectrum or

Re: [Ifeffit] Hard tests failed in fovrg

2009-01-30 Thread John J. Rehr
Hi Everyone, If you ever encounter problems like this, please attach a feff.inp so we and others can duplicate and troubleshoot the problem. Thanks. Cheers, John known (hopefully correct). The default feff6l in Artemis reports an error ?Hard tests failed in fovrg. Muffin-tin radius may