Are you determining bond length from the magnitude of chi(R) or are you fitting ab initio data to the curves? In my experience the |chi(R)| peaks are usually closer than the actual bond distances due to phase shift. Dr Somaditya Sen wrote:
Hi All I am having problems in comparing the real bond length as obtained from EXAFS data and Reitveld analysis of XRD data of te same sample. The bond lengths as observed from the XAFS data seems to be much smaller that that from XRD. Is there some multiplication factor known in literature to address this issue?
S Sen
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