Re: [Ifeffit] How to use ATOM on this file?

2012-05-06 Thread Ravel, Bruce
From: ifeffit-boun...@millenia.cars.aps.anl.gov [ifeffit-boun...@millenia.cars.aps.anl.gov] on behalf of Wei Li [we...@udel.edu] Sent: Friday, May 04, 2012 10:50 PM To: XAFS Analysis using Ifeffit Subject: [Ifeffit] How to use ATOM on this file? Hello, Bruce, I have a *.cif, in which structure

Re: [Ifeffit] How to use ATOM on this file?

2012-05-06 Thread Dr. Dariusz A. Zając
Hi Wei, because you have atoms in the same sublattice, ATOM has problems. Try to calculate paths 2 times- once with full Zn sublattice, second with full Al sublattice, of course both with the absorbing atom in respect to the edge you ant to investigate. This you need to change manually in ATOM

Re: [Ifeffit] How to use ATOM on this file?

2012-05-05 Thread Wei Li
Thanks, kicaj! This is a Zn-Al layered double hydroxide (LDH) structure. In this structure, Zn and Al occupy the same chemical site. I know how to creat a Al doped Zn compound. Here I just want to learn how to work this kind of cig file with ATOM. Wei On Saturday, May 5, 2012, "Dr. Dariusz A. Za

Re: [Ifeffit] How to use ATOM on this file?

2012-05-05 Thread Dr. Dariusz A. Zając
Hi Wei Li, I guess that ATOM makes some errors about atoms laying too close? Am I right? (sorry I can not check cif file now) Could you write something more about the problem and sample? If I understood you want to create a Al doped Zn compound - in the archive of this mailing list are some exa

[Ifeffit] How to use ATOM on this file?

2012-05-04 Thread Wei Li
Hello, Bruce, I have a *.cif, in which structure contains Zn and Al in the same site but diferent ratio. I cannot use ATOM to build a cluster for Feff. I am wonder if you could figure this out. Thanks in advance! best wishes yours Wei Li -- Wei Li Postdoc researcher Environmental Soil Chemistr