Comparison of X-ray photoelectron spectroscopy multiplet splitting of Cr 2p peaks from chromium tris(β-diketonates) with chemical effects
作者： R. Liu , J. Conradie , E. Erasmus
DOI: 10.1016/J.ELSPEC.2015.11.006
关键词: Chemistry 、 Physical chemistry 、 Multiplet 、 Chromium 、 Spectral line 、 X-ray photoelectron spectroscopy 、 Binding energy 、 Electronegativity 、 Analytical chemistry 、 Ion 、 Density functional theory
摘要: Abstract X-ray photoelectron spectra (XPS) measurements of a series chromium(III) β-diketonato complexes the Cr 2p was fitted with calculated multiplet peaks. The XPS these Cr(III) did not exhibit fine structure, however, well-defined line shapes could be to 3/2 envelope. splitting patterns obtained for compared well predicted by Gupta and Sen free ion. containing unsymmetrically substituted ligands, which display both fac mer isomers, two sets multiplets were useful in determining ratio between Boltzman from density functional theory energies. binding energy first peak envelope found dependent on combined Gordy group electronegativity R-groups ligand (RCOCHCOR′) − .
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