Potential Energy Curves of Molecular Nitrogen for Singly and Doubly Ionized States with Core and Valence Holes.
Potential Energy Curves of Molecular Nitrogen for Singly and Doubly Ionized States with Core and Valence Holes.
复制标题
具有核心和价空穴的单电离态和双电离态氮分子的势能曲线。
DOI:
10.1021/acs.jpca.1c04613
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Bhattacharya D
中科院分区:
文献类型:
--
作者:
Bhattacharya D
Theoretical description of potential energy curves (PECs) of molecular ions is essential for interpretation and prediction of coupled electron-nuclear dynamics following ionization of parent molecule. However, an accurate representation of these PECs for core or inner valence ionized state is nontrivial, especially at stretched geometries for double- or triple-bonded systems. In this work, we report PECs of singly and doubly ionized states of molecular nitrogen using state-of-the-art quantum chemical methods. The valence, inner valence, and core ionized states have been computed. A double-loop optimization scheme that separates the treatment of the core and the valence orbitals during the orbital optimization step of the multiconfiguration self-consistent field method has been implemented. This technique allows the energy to be converged to any desired ionized state with any number of core or inner-shell holes. The present work also compares the PECs obtained using both delocalized and localized sets of orbitals for the core hole states. The PECs of a number of singly and doubly ionized valence states have also been computed and compared with previous studies. The computed PECs reported here are expected to be of importance for future studies to understand the interplay between photoionization and Auger spectra during the breakup of molecular nitrogen when interacting with intense free electron lasers.
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影响因子:
64.8
作者:
Uiberacker, M.;Uphues, Th.;Krausz, F.
通讯作者:
Krausz, F.
影响因子:
4.4
作者:
Besley, Nicholas A.;Gilbert, Andrew T. B.;Gill, Peter M. W.
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Gill, Peter M. W.
DOI:
--
发表时间:
1956
期刊:
Proceedings of the Royal Society of London. Series A, Mathematical and physical sciences
影响因子:
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作者:
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通讯作者:
C. Mcdowell
DOI:
--
发表时间:
1999
期刊:
影响因子:
--
作者:
O Nagy;C P Ballance;K A Berrington;P G Burke;B M McLaughlin
通讯作者:
B M McLaughlin
DOI:
--
发表时间:
2020
期刊:
Journal of Physics B: Atomic, Molecular and Optical Physics
影响因子:
--
作者:
H. Banks;A. Hadjipittas;A. Emmanouilidou
通讯作者:
A. Emmanouilidou