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CASPT2 Potential Energy Curves for NO Dissociation in a Ruthenium Nitrosyl Complex [PDF]

open access: yesMolecules, 2020
Ruthenium nitrosyl complexes are fascinating photoactive compounds showing complex photoreactivity, such as N→O linkage photoisomerism and NO photorelease.
Francesco Talotta   +2 more
doaj   +2 more sources

An Intruder-Free Fock Space Coupled-Cluster Study of the Potential Energy Curves of LiMg+ within the (2,0) Sector [PDF]

open access: yesMolecules
The potential energy curves (PECs) and spectroscopic constants of the ground and excited states of a LiMg+ molecular cation were investigated. We obtained accurate results for the fifteen lowest-lying states of the LiMg+ cation using the Intermediate ...
Grzegorz Skrzyński, Monika Musial
doaj   +2 more sources

Electronic Structure, Spectroscopy, Cold Ion–Atom Elastic Collision Properties, and Photoassociation Formation Prediction of the (MgCs)+ Molecular Ion

open access: yesAtoms, 2023
In this paper, we extensively study the electronic structure, interactions, and dynamics of the (MgCs)+ molecular ion. The exchanges between the alkaline atom and the low-energy cationic alkaline earths, which are important in the field of cold and ...
Mohamed Farjallah   +3 more
doaj   +1 more source

The PM6-FGC Method: Improved Corrections for Amines and Amides

open access: yesMolecules, 2022
Recently, we reported a new approach to develop pairwise analytical corrections to improve the description of noncovalent interactions, by approximate methods of electronic structures, such as semiempirical quantum mechanical (SQM) methods. In particular,
Martiño Ríos-García   +4 more
doaj   +1 more source

Resonant Ionic, Covalent Bond, and Steric Characteristics Present in 1Σu+ States of Li2

open access: yesMolecules, 2022
The molecular bonding in the excited states of the alkali dimers involves the resonant ionic, covalent bond and steric interactions. We show here the case of the 1Σu+ states of Li2 by ab initio calculation.
Michiko Ahn Furudate   +3 more
doaj   +1 more source

Laser cooling and electronic structure studies of CaK and its ions CaK±

open access: yesNew Journal of Physics, 2021
Aiming at a laser cooling investigation, we have used ab initio complete active space self consistent field (CASSCF)/(MRCI +Q) calculations to study the electronic structure of the diatomic molecule CaK and its molecular ions CaK ^+ and CaK ^− .
Amal Moussa   +2 more
doaj   +1 more source

Benchmark Study of the Electronic States of the LiRb Molecule: Ab Initio Calculations with the Fock Space Coupled Cluster Approach

open access: yesMolecules, 2023
Accurate potential energy curves (PECs) are determined for the twenty-two electronic states of LiRb. In contrast to previous studies, the applied approach relies on the first principle calculations involving correlation among all electrons.
Grzegorz Skrzyński, Monika Musial
doaj   +1 more source

Benchmark potential energy curve for collinear H3

open access: yesChemical Physics Letters, 2022
A benchmark-quality potential energy curve is reported for the H$_3$ system in collinear nuclear configurations. The electronic Schrödinger equation is solved using explicitly correlated Gaussian (ECG) basis functions using an optimized fragment initialization technique that significantly reduces the computational cost.
Ferenc, Dávid, Mátyus, Edit
openaire   +3 more sources

Potential Energy Curves for CO [PDF]

open access: yesThe Journal of Chemical Physics, 1960
Potential energy curves for the X 1Σ+, a 3πr, a′ 3Σ+, d 3Δ, e 3Σ—, A 1π, and B 1Σ+ electronic states of the CO molecule have been calculated by the Rydberg-Klein-Rees method. The curve for the A 1π state will have to bend sharply in the range between 1.9 and 2.1 A or it will have to pass through a maximum to reach the proper dissociation limit.
Irwin Tobias   +2 more
openaire   +1 more source

Bottom-up analysis of energy conservation and carbon dioxide mitigation potentials by extended marginal abatement cost curves for pulp and paper industry

open access: yesEnergy Strategy Reviews, 2022
The energy-intensive pulp and paper industry is a major contributor to carbon dioxide emissions. The potential to reduce energy consumption and carbon dioxide emissions is generally assessed using energy conservation supply curves and marginal abatement ...
Yun-Hsun Huang, Jung-Hua Wu, Tzu-Yi Liu
doaj   +1 more source

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