Hi Matthew, I am pretty sure, this is
"On the atomic scattering factor for O2-" E. Hovestreydt Acta Cryst. (1983). A39, 268-269 https://doi.org/10.1107/S0108767383000550 I don't have the paper at hand, unfortunately. Cheers, Arnt -Bruker Confidential- Von: rietveld_l-requ...@ill.fr <rietveld_l-requ...@ill.fr> Im Auftrag von Matthew Rowles Gesendet: Dienstag, 21. Februar 2023 01:38 An: RIETVELD_L Distribution List <rietveld_l@ill.fr> Betreff: scattering factor for O2- ? **EXTERNAL EMAIL** Hi all I've been looking at atomic scattering factors recently, and in particular, the 11-coefficient parameterisation by Waasmaier and Kirfel [1]. In their paper, they give a parameterisation for O and O-, but in tables I can find online (eg libdiffpy/f0_WaasKirf.dat at master * diffpy/libdiffpy (github.com)<https://github.com/diffpy/libdiffpy/blob/master/src/runtime/f0_WaasKirf.dat>), there is also an entry for O2-. Does anybody know where this came from? Thanks Matthew [1] D. Waasmaier & A. Kirfel, New Analytical Scattering Factor Functions for Free Atoms and Ions for Free Atoms and Ions, Acta Cryst. (1995). A51, 416-413
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