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Multi-reference protocol for (auto)ionization spectra: Application to molecules
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DOI：10.1063/1.5142251.png)
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Abstract
En 中文
We present the application of the spherically averaged continuum model to the evaluation of molecular photoelectron and resonant Auger electron spectra. In this model, the continuum wave function is obtained in a numerically efficient way by solving the radial Schrodinger equation with a spherically averaged molecular potential. Different approximations to the Auger transition matrix element and, in particular, the one-center approximation are thoroughly tested against experimental data for the CH4, O-2, NO2, and pyrimidine molecules. In general, this approach appears to estimate the shape of the photoelectron and autoionization spectra as well as the total Auger decay rates with reasonable accuracy, allowing for the interpretation of experimental results. Published under license by AIP Publishing.
Keywords:
AUGER TRANSITION RATES
AB-INITIO CALCULATION
GAUSSIAN-BASIS SETS
PHOTOELECTRON-SPECTRA
CONFIGURATION-INTERACTION
ELECTRON SPECTRA
CROSS-SECTIONS
EXCITED-STATES
DECAY SPECTRUM
WAVE-FUNCTIONS
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3.1
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7.2W
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23.2W