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Oakley M, Klobukowski M. Computing UV–vis spectra of 1-bromo-1-propene: a comparison of model core potential and all-electron basis sets. CAN J CHEM 2017. [DOI: 10.1139/cjc-2016-0518] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Vacuum ultraviolet (VUV) spectroscopy can be used to identify different isomers in complicated mixtures of many molecules. In this work, calculated VUV spectra are compared with spectra of experimental mixtures to benchmark appropriate computational methods. Because the benchmark molecule, 1-bromo-1-propene, contains a heavy atom, both all-electron and model core potential basis sets were investigated. Time-dependent density functional theory (TD-DFT) can accurately compute electronic excited states at low-energy excitations and was cross-checked at higher energies against results from the symmetry adapted cluster–configuration interaction (SAC–CI) method. TD-DFT was determined to be satisfactory at low energies; however, excitation energies can deviate by 0.5 eV at high energies. TD-DFT with both all-electron and model core potential basis sets produced satisfactory excitation energies for the lower excited states. This method is also satisfactory at predicting spectra produced experimentally, including a mixture of isomers (cis- and trans-1-bromo-1-propene), with the exception of underestimating oscillator strength.
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Affiliation(s)
- Meagan Oakley
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - Mariusz Klobukowski
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
- Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
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2
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Kleshchina NN, Korchagina KA, Bezrukov DS, Buchachenko AA. Modeling of Manganese Atom and Dimer Isolated in Solid Rare Gases: Structure, Stability, and Effect on Spin Coupling. J Phys Chem A 2017; 121:2429-2441. [PMID: 28263615 DOI: 10.1021/acs.jpca.6b12444] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Structures and energies of the trapping sites of manganese atom and dimer in solid Ar, Kr, and Xe are investigated within the classical model, which balances local distortion and long-range crystal order of the host and provides a means to estimate the relative site stabilities. The model is implemented with the additive pairwise potential field based on the ab initio and best empirical interatomic potential functions. In agreement with experiment, Mn single substitution (SS) and tetrahedral vacancy (TV) occupation are identified as stable for Ar and Kr, whereas the SS site is only found for Xe. Stable trapping sites of the weakly bound Mn2 dimer are shown to be the mergers of SS and/or TV atomic sites. For Ar, (SS + SS) and (TV + TV) sites are close in energy, whereas (SS + TV) site lies higher. The (SS + SS) accommodation is identified as the only stable site in Kr and Xe at low energies. The results are compared with the resonance Raman, electron spin resonance, and absorption spectroscopy data. Reproducing the numbers of stable sites, the calculations tend to underestimate the matrix effect on the dimer vibrational frequency and spin-spin coupling constant. Nonetheless, the level of agreement is found to be informative for tentative assignments of the complex features seen in Mn2 matrix isolation spectroscopy.
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Affiliation(s)
- Nadezhda N Kleshchina
- Department of Chemistry, M. V. Lomonosov Moscow State University , Moscow 119991, Russia
| | - Kseniia A Korchagina
- Department of Chemistry, M. V. Lomonosov Moscow State University , Moscow 119991, Russia
| | - Dmitry S Bezrukov
- Department of Chemistry, M. V. Lomonosov Moscow State University , Moscow 119991, Russia.,Skolkovo Institute of Science and Technology , Skolkovo Innovation Center, Building 3, Moscow 143026, Russia
| | - Alexei A Buchachenko
- Skolkovo Institute of Science and Technology , Skolkovo Innovation Center, Building 3, Moscow 143026, Russia
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3
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Barborini M. Neutral, Anionic, and Cationic Manganese Dimers through Density Functional Theory. J Phys Chem A 2016; 120:1716-26. [DOI: 10.1021/acs.jpca.5b12169] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Matteo Barborini
- S3 Research Center, CNR-NANO, Via Campi 213/a, 41125 Modena, Italy
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4
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Gutsev GL, Weatherford CA, Ramachandran BR, Gutsev LG, Zheng WJ, Thomas OC, Bowen KH. Photoelectron spectra and structure of the Mnn− anions (n = 2–16). J Chem Phys 2015; 143:044306. [DOI: 10.1063/1.4926943] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- G. L. Gutsev
- Department of Physics, Florida A&M University, Tallahassee, Florida 32307, USA
| | - C. A. Weatherford
- Department of Physics, Florida A&M University, Tallahassee, Florida 32307, USA
| | - B. R. Ramachandran
- College of Engineering and Science, Louisiana Tech University, Ruston, Louisiana 71272, USA
| | - L. G. Gutsev
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, USA
| | - W.-J. Zheng
- Departments of Chemistry and Materials Science, Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - O. C. Thomas
- Departments of Chemistry and Materials Science, Johns Hopkins University, Baltimore, Maryland 21218, USA
| | - Kit H. Bowen
- Departments of Chemistry and Materials Science, Johns Hopkins University, Baltimore, Maryland 21218, USA
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Zamudio-Bayer V, Hirsch K, Langenberg A, Kossick M, Ławicki A, Terasaki A, v. Issendorff B, Lau JT. Direct observation of high-spin states in manganese dimer and trimer cations by x-ray magnetic circular dichroism spectroscopy in an ion trap. J Chem Phys 2015; 142:234301. [DOI: 10.1063/1.4922487] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- V. Zamudio-Bayer
- Physikalisches Institut, Universität Freiburg, Stefan-Meier-Straße 21, 79104 Freiburg, Germany
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany
| | - K. Hirsch
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany
- Institut für Optik und Atomare Physik, Technische Universität Berlin, Hardenbergstraße 36, 10623 Berlin, Germany
| | - A. Langenberg
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany
- Institut für Optik und Atomare Physik, Technische Universität Berlin, Hardenbergstraße 36, 10623 Berlin, Germany
| | - M. Kossick
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany
- Institut für Optik und Atomare Physik, Technische Universität Berlin, Hardenbergstraße 36, 10623 Berlin, Germany
| | - A. Ławicki
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany
| | - A. Terasaki
- Cluster Research Laboratory, Toyota Technological Institute, 717-86 Futamata, Ichikawa, Chiba 272-0001, Japan
- Department of Chemistry, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
| | - B. v. Issendorff
- Physikalisches Institut, Universität Freiburg, Stefan-Meier-Straße 21, 79104 Freiburg, Germany
| | - J. T. Lau
- Institut für Methoden und Instrumentierung der Forschung mit Synchrotronstrahlung, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Albert-Einstein-Straße 15, 12489 Berlin, Germany
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Buchachenko AA, Chałasiński G, Szczęśniak MM. Electronic structure and spin coupling of the manganese dimer: The state of the art of ab initio approach. J Chem Phys 2010; 132:024312. [DOI: 10.1063/1.3292572] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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7
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Li SF, Shao Z, Han S, Xue X, Wang F, Sun Q, Jia Y, Guo ZX. Role of Ag-doping in small transition metal clusters from first-principles simulations. J Chem Phys 2009; 131:184301. [DOI: 10.1063/1.3261728] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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Tzeli D, Miranda U, Kaplan IG, Mavridis A. First principles study of the electronic structure and bonding of Mn2. J Chem Phys 2008; 129:154310. [DOI: 10.1063/1.2993750] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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