[Ifeffit] Is there a physical meaning to a negative SO2

[Todd Luxton]

I am very new to XAFS analysis, I am wondering if there is a physical
meaning to a negative value for SO2.  Based on the XAFS equation I can't
understand what the physical significance of a negative SO2 value would be,
therefore I am assuming that my modeling results using Athena are not
representative of a physically realistic model due to the negative value
calculated fro SO2 or more specifically the amp variable in the guess set.
Any insight would be greatly appreciated.

 

thanks

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