Improved charge transfer multiplet method to simulate M- and L-edge X-ray absorption spectra of metal-centered excited states

Charge transfer multiplet (CTM) theory is a computationally undemanding and highly mature method for simulating the soft X-ray spectra of first-row transition metal complexes. However, CTM theory has seldom been applied to the simulation of excited-state spectra. In this article, the CTM4XAS softwar...

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Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 25(2018), Pt 5 vom: 01. Sept., Seite 1600-1608
1. Verfasser: Zhang, Kaili (VerfasserIn)
Weitere Verfasser: Girolami, Gregory S, Vura-Weis, Josh
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article X-ray spectroscopy electronic structure multiplet simulations valence excited states
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520 |a Charge transfer multiplet (CTM) theory is a computationally undemanding and highly mature method for simulating the soft X-ray spectra of first-row transition metal complexes. However, CTM theory has seldom been applied to the simulation of excited-state spectra. In this article, the CTM4XAS software package is extended to simulate M2,3- and L2,3-edge spectra for the excited states of first-row transition metals and also interpret CTM eigenfunctions in terms of Russell-Saunders term symbols. These new programs are used to reinterpret the recently reported excited-state M2,3-edge difference spectra of photogenerated ferrocenium cations and to propose alternative assignments for the electronic state of these cations responsible for the spectroscopic features. These new programs were also used to model the L2,3-edge spectra of FeII compounds during nuclear relaxation following photoinduced spin crossover and to propose spectroscopic signatures for their vibrationally hot states 
650 4 |a Journal Article 
650 4 |a X-ray spectroscopy 
650 4 |a electronic structure 
650 4 |a multiplet simulations 
650 4 |a valence excited states 
700 1 |a Girolami, Gregory S  |e verfasserin  |4 aut 
700 1 |a Vura-Weis, Josh  |e verfasserin  |4 aut 
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