Intermediate state representation approach to physical properties of molecular electron-attached states: Theory, implementation, and benchmarking
Computational schemes for comprehensive studies of molecular electron-attached states and the calculation of electron affinities (EAs) are formulated and implemented employing the intermediate state representation (ISR) formalism and the algebraic–diagrammatic construction approximation for the electron propagator (EA-ADC). These EA-ADC(n)/ISR(m) schemes allow for a consistent treatment of not only electron affinities and pole strengths up to third-order of perturbation theory (n = 3) but also one-electron properties of electron-attached states up to second order (m = 2). The EA-ADC/ISR equations were implemented in the Q-Chem program for Ŝz-adapted intermediate states, allowing also open-shell systems to be studied using unrestricted Hartree–Fock references. For benchmarking of the EA-(U)ADC/ISR schemes, EAs and dipole moments of various electron-attached states of small closed- and open-shell molecules were computed and compared to full configuration interaction data. As an illustrative example, EA-ADC(3)/ISR(2) has been applied to the thymine–thymine (6–4) DNA photolesion.
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Journal of Chemical Physics
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Journal of Chemical Physics
6 publications, 40%
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Journal of Chemical Theory and Computation
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Journal of Chemical Theory and Computation
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Journal of Physical Chemistry A
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Journal of Physical Chemistry A
2 publications, 13.33%
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Molecular Physics
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Molecular Physics
1 publication, 6.67%
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Physical Chemistry Chemical Physics
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Physical Chemistry Chemical Physics
1 publication, 6.67%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
6 publications, 40%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
6 publications, 40%
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Taylor & Francis
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Taylor & Francis
1 publication, 6.67%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 6.67%
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