ion - coordination number of central ion
oxy - oxidation state of central ion
Gamma1
tenDq
tenDqF
zeta_2p
zeta_3d
Xzeta_3d
Fdd
XFdd
Fpd
Gpd
Udd
Upd_Udd
tenDqL
Delta
VfScale

XASBroadening: general Gaussian and multiple Lorentzian broadening of XAS spectra
RIXSBroadening: multiple Lorentzian broadening of RIXS spectra