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Competitive nuclear quantum effect and H/D isotope effect on torsional motion of H2O2: An ab initio path integral molecular dynamics study. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2021.113542] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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2
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Combined complete active space configuration interaction and perturbation theory applied to conformational energy prototypes: Rotation and inversion barriers. COMPUT THEOR CHEM 2017. [DOI: 10.1016/j.comptc.2017.10.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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3
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Fedorov DG, Sugita Y, Choi CH. Efficient Parallel Implementations of QM/MM-REMD (Quantum Mechanical/Molecular Mechanics-Replica-Exchange MD) and Umbrella Sampling: Isomerization of H2O2 in Aqueous Solution. J Phys Chem B 2013; 117:7996-8002. [DOI: 10.1021/jp4029529] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Dmitri G. Fedorov
- NRI, National Institute of Advanced Industrial Science and Technology (AIST), Central 2, Umezono 1-1-1, Tsukuba 305-8568, Japan
| | - Yuji Sugita
- Theoretical Molecular Science Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama
351-0198, Japan
| | - Cheol Ho Choi
- Department
of Chemistry and Green-Nano
Materials Research Center, College of Natural Sciences, Kyungpook National University, Taegu 702-701, South
Korea
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Yu CY, Yang ZZ. A Systemic Investigation of Hydrogen Peroxide Clusters (H2O2)n (n = 1−6) and Liquid-State Hydrogen Peroxide: Based on Atom-Bond Electronegativity Equalization Method Fused into Molecular Mechanics and Molecular Dynamics. J Phys Chem A 2011; 115:2615-26. [DOI: 10.1021/jp111284t] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chun-Yang Yu
- Chemistry and Chemical Engineering Faculty, Liaoning Normal University, Dalian 116029, China
| | - Zhong-Zhi Yang
- Chemistry and Chemical Engineering Faculty, Liaoning Normal University, Dalian 116029, China
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Du L, Yao L, Ge M. Two Novel Species, (Methoxycarbonyl)sulfenyl Thiocyanate and (Methoxycarbonyl)sulfenyl Selenocyanate: Spectroscopic Characterization by Photoelectron Spectroscopy and Quantum Chemical Investigation. Eur J Inorg Chem 2007. [DOI: 10.1002/ejic.200700455] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Lin Du
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, 100080 Beijing, P. R. China, Fax: +86‐10‐62559373
- Graduate University of Chinese Academy of Sciences, 100039 Beijing, P. R. China
| | - Li Yao
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, 100080 Beijing, P. R. China, Fax: +86‐10‐62559373
- Graduate University of Chinese Academy of Sciences, 100039 Beijing, P. R. China
| | - Maofa Ge
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, 100080 Beijing, P. R. China, Fax: +86‐10‐62559373
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Kulkarni AD, Pathak RK, Bartolotti LJ. Effect of additional hydrogen peroxide to H2O2⋯(H2O)n, n=1 and 2 complexes: Quantum chemical study. J Chem Phys 2006; 124:214309. [PMID: 16774409 DOI: 10.1063/1.2202098] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Hydrogen peroxide, H2O2, acts as a particularly strong reactant in aqueous environment. It has been demonstrated earlier that agglomerates with a single peroxide interacting with one and two water molecules manifest in several stable conformers within a narrow energy range. In the present study we seek structural changes brought out by adding an extra H2O2 to these systems at molecular level employing ab initio quantum chemical methods, viz., restricted Hartree-Fock and the second order Moller-Plesset perturbation theory. These clusters exhibit consistent trends in energy hierarchy at both the levels. Further, a many body interaction energy analysis quantifies the strength and cooperativity of hydrogen bonding in the (H2O2)2...(H2O)n, (n=1 and 2) clusters, bringing out structuring/destructuring effects attributed to attachment of water and hydrogen peroxide molecules.
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Affiliation(s)
- Anant D Kulkarni
- Department of Chemistry, University of Pune, Pune-411 007, India.
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Zeng X, Ge M, Sun Z, Wang D. Bis(trifluoroaceto) Disulfide (CF3C(O)OSSOC(O)CF3): A HeI Photoelectron Spectroscopy and Theoretical Study. J Phys Chem A 2006; 110:5685-91. [PMID: 16640363 DOI: 10.1021/jp061050e] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Bis(trifluoroaceto) disulfide CF(3)C(O)OSSOC(O)CF(3) was prepared and studied by Raman, photoelectron spectroscopy (PES), and theoretical calculations. This molecule exhibits gauche conformation with both C=O groups cis to the S-S bond; the structure of the OSSO moiety is characterized by dihedral angle delta(OSSO) = -95.1 degrees due to the sulfur-sulfur lone pair interactions. The contracted S-S bond (1.979 Angstroms) and relatively high rotational barrier (19.29 kcal mol(-1) at the B3LYP/6-31G level) of the delta(OSSO) indicate the partial resonance-induced double bond character in this molecule. After ionization, the ground cationic-radical form of CF(3)C(O)OSSOC(O)CF(3)(*+) adopts a trans planar main-atom structure (delta(OSSO) = 180 degrees and delta(OCOS) = 0 degrees ) with C(2)(h) symmetry. The S-S bond elongates to 2.054 Angstroms, while the S-O bond shortens from 1.755 Angstroms in neutral form to 1.684 Angstroms in its corresponding cationic-radical form. The adiabatic ionization energy of 9.91 eV was obtained accordingly. The first two HOMOs correspond to the electrons mainly localized on the sulfur 3p lone pair MOs: 3ppi {36a (n(A)(S))](-1) and 3ppi [35b (n(B)(S), n(B)(O(C)(=)(O)))](-1), with an experimental energy separation of 0.16 eV. The first vertical ionization energy is determined to be 10.81 eV.
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Affiliation(s)
- Xiaoqing Zeng
- State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China
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Song L, Liu M, Wu W, Zhang Q, Mo Y. Origins of Rotational Barriers in Hydrogen Peroxide and Hydrazine. J Chem Theory Comput 2005; 1:394-402. [DOI: 10.1021/ct049843x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lingchun Song
- Department of Chemistry, State Key Laboratory for Physical Chemistry of Solid Surfaces, Center for Theoretical Chemistry, Xiamen University, Xiamen, Fujian 361005, P. R. China, and Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008
| | - Minghong Liu
- Department of Chemistry, State Key Laboratory for Physical Chemistry of Solid Surfaces, Center for Theoretical Chemistry, Xiamen University, Xiamen, Fujian 361005, P. R. China, and Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008
| | - Wei Wu
- Department of Chemistry, State Key Laboratory for Physical Chemistry of Solid Surfaces, Center for Theoretical Chemistry, Xiamen University, Xiamen, Fujian 361005, P. R. China, and Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008
| | - Qianer Zhang
- Department of Chemistry, State Key Laboratory for Physical Chemistry of Solid Surfaces, Center for Theoretical Chemistry, Xiamen University, Xiamen, Fujian 361005, P. R. China, and Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008
| | - Yirong Mo
- Department of Chemistry, State Key Laboratory for Physical Chemistry of Solid Surfaces, Center for Theoretical Chemistry, Xiamen University, Xiamen, Fujian 361005, P. R. China, and Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008
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