1
|
Sutton SF, Rotteger CH, Miller DM, Quiroz LM, Sen A, Tarakeshwar P, Sayres SG. Production of Metastable CO 3+ through the Strong-Field Ionization and Coulomb Explosion of Formic Acid Dimer. J Phys Chem A 2022; 126:5099-5106. [DOI: 10.1021/acs.jpca.2c02609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shaun F. Sutton
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Biodesign Center for Applied Structural Discovery, Arizona State University, Tempe, Arizona 85287, United States
| | - Chase H. Rotteger
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Biodesign Center for Applied Structural Discovery, Arizona State University, Tempe, Arizona 85287, United States
| | - Dane M. Miller
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Biodesign Center for Applied Structural Discovery, Arizona State University, Tempe, Arizona 85287, United States
| | - Lenin M. Quiroz
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Biodesign Center for Applied Structural Discovery, Arizona State University, Tempe, Arizona 85287, United States
| | - Ananya Sen
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Biodesign Center for Applied Structural Discovery, Arizona State University, Tempe, Arizona 85287, United States
| | | | - Scott G. Sayres
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Biodesign Center for Applied Structural Discovery, Arizona State University, Tempe, Arizona 85287, United States
| |
Collapse
|
2
|
Mota VC, Varandas AJC. HN2(2A‘) Electronic Manifold. II. Ab Initio Based Double-Sheeted DMBE Potential Energy Surface via a Global Diabatization Angle. J Phys Chem A 2008; 112:3768-86. [DOI: 10.1021/jp710610d] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vinícius C. Mota
- Departamento de Química, Universidade de Coimbra, 3004-535 Coimbra, Portugal
| | | |
Collapse
|
3
|
Varandas AJC. Accurate ab initio potentials at low cost via correlation scaling and extrapolation: Application to CO(AΠ1). J Chem Phys 2007; 127:114316. [PMID: 17887846 DOI: 10.1063/1.2768356] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
A recently proposed scheme that enables high quality molecular potentials to be obtained from small basis set calculations via scaling and extrapolation of the electron correlation to the complete basis set limit plus extrapolation to the complete basis set limit of the complete-active-space self-consistent field energy has been applied to the A 1Pi electronic state of CO. Based on standard multireference configuration interaction raw energies calculated with correlation-consistent basis sets of the aug-cc-pVXZ and aug-cc-pCVXZ types for the scaling and extrapolation procedures, a barrier separating the equilibrium region from the dissociation asymptote of 594+/-46 cm(-1) has been predicted at an internuclear distance of 2.25+/-0.01 A in reasonable agreement with some previous theoretical work and a recent direct least-squares fit to available spectroscopic data, while being 38% smaller than an early experimental upper limit of 950+/-150 cm(-1). Good agreement with experiment is also obtained for the minimum well depth and location at equilibrium: 25,532+/-165 cm(-1) at 1.2346+/-0.0015 A (theoretical) versus 25,597 cm(-1) at 1.2346+/-0.0006 A (experimental). The method can be extended to other wave function models, providing a general strategy for accurate potentials of larger dimensionality at costs that can be drastically smaller than traditional ones.
Collapse
Affiliation(s)
- A J C Varandas
- Departamento de Química, Universidade de Coimbra, 3004-535 Coimbra, Portugal.
| |
Collapse
|
4
|
Ho TS, Hollebeek T, Rabitz H, Der Chao S, Skodje RT, Zyubin AS, Mebel AM. A globally smooth ab initio potential surface of the 1 A′ state for the reaction S(1D)+H2. J Chem Phys 2002. [DOI: 10.1063/1.1431280] [Citation(s) in RCA: 79] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
|
5
|
Ho TS, Rabitz H. Proper construction of ab initio global potential surfaces with accurate long-range interactions. J Chem Phys 2000. [DOI: 10.1063/1.1288268] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
|
6
|
Soldán P, Hutson JM. On the long-range and short-range behavior of potentials from reproducing kernel Hilbert space interpolation. J Chem Phys 2000. [DOI: 10.1063/1.480988] [Citation(s) in RCA: 64] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
|