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Formation of Pyridy...
Formation of Pyridyl Radicals by Hydrogen Atom Abstraction : Theoretical Study
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- Savchenkova, A. S. (author)
- Samara National Research University
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- Semenikhin, A. S. (author)
- Samara National Research University
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- Chechet, I. V. (author)
- Samara National Research University
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- Matveev, S. G. (author)
- Samara National Research University
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- Konnov, A. A. (author)
- Lund University,Lunds universitet,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,LTH profilområde: Energiomställningen,LTH profilområden,LU profilområde: Ljus och material,Lunds universitets profilområden,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,LTH Profile Area: The Energy Transition,LTH Profile areas,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas
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- Mebel, A. M. (author)
- Florida International University,Samara National Research University
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(creator_code:org_t)
- 2023
- 2023
- English 4 s.
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In: Combustion, Explosion and Shock Waves. - 0010-5082. ; 59:2, s. 125-128
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http://dx.doi.org/10...
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Abstract
Subject headings
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- Abstract: Specific features of the pyridine structure make it a convenient model system to describe coal combustion; however, the main attention of researchers has been paid to the formation of the ortho-pyridyl, whereas the formation of meta- and para-pyridyls has been yet poorly studied. The rate constants of the formation of three pyridyl radicals originating from pyridine by hydrogen atom abstraction by another hydrogen atom are compared. The geometry of the reactants is optimized within the framework of the density functional theory with subsequent refinement of single-point energies by the ab initioG3(MP2,CC) hybrid method. The calculations show that the formation of ortho-pyridyl is more favorable, though the formation and further transformations of all three radicals should be taken into account for a detailed description of the coal combustion process.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- meta-pyridyl
- ortho-pyridyl
- para-pyridyl
- quantum-chemical simulation
Publication and Content Type
- art (subject category)
- ref (subject category)
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