Theoretical Investigations on Mechanisms and Pathways of C2H5O2 with BrO Reaction in the Atmosphere

In this work, feasible mechanisms and pathways of the C2H5O2 + BrO reaction in the atmosphere were investigated using quantum chemistry methods, i.e., QCISD(T)/6-311++G(2df,2p)//B3LYP/6-311++G(2df,2p) levels of theory. Our result indicates that the title reaction occurs on both the singlet and tripl...

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Main Authors: Chenggang Lu, Yizhen Tang, Wei Zhang, Xunshuai Qu, Zhihao Fu
Format: Article
Language:English
Published: MDPI AG 2018-05-01
Series:Molecules
Subjects:
Online Access:http://www.mdpi.com/1420-3049/23/6/1268
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author Chenggang Lu
Yizhen Tang
Wei Zhang
Xunshuai Qu
Zhihao Fu
author_facet Chenggang Lu
Yizhen Tang
Wei Zhang
Xunshuai Qu
Zhihao Fu
author_sort Chenggang Lu
collection DOAJ
description In this work, feasible mechanisms and pathways of the C2H5O2 + BrO reaction in the atmosphere were investigated using quantum chemistry methods, i.e., QCISD(T)/6-311++G(2df,2p)//B3LYP/6-311++G(2df,2p) levels of theory. Our result indicates that the title reaction occurs on both the singlet and triplet potential energy surfaces (PESs). Kinetically, singlet C2H5O3Br and C2H5O2BrO were dominant products under the atmospheric conditions below 300 K. CH3CHO2 + HOBr, CH3CHO + HOBrO, and CH3CHO + HBrO2 are feasible to a certain extent thermodynamically. Because of high energy barriers, all products formed on the triplet PES are negligible. Moreover, time-dependent density functional theory (TDDFT) calculation implies that C2H5O3Br and C2H5O2BrO will photolyze under the sunlight.
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spelling doaj.art-d695bb07b07f4ccaa27ebe227291e6d32022-12-21T20:02:08ZengMDPI AGMolecules1420-30492018-05-01236126810.3390/molecules23061268molecules23061268Theoretical Investigations on Mechanisms and Pathways of C2H5O2 with BrO Reaction in the AtmosphereChenggang Lu0Yizhen Tang1Wei Zhang2Xunshuai Qu3Zhihao Fu4School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, Shandong, ChinaSchool of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, Shandong, ChinaSchool of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, Shandong, ChinaQingdao Environmental Monitoring Center, Qingdao 266003, Shandong, ChinaSchool of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao 266033, Shandong, ChinaIn this work, feasible mechanisms and pathways of the C2H5O2 + BrO reaction in the atmosphere were investigated using quantum chemistry methods, i.e., QCISD(T)/6-311++G(2df,2p)//B3LYP/6-311++G(2df,2p) levels of theory. Our result indicates that the title reaction occurs on both the singlet and triplet potential energy surfaces (PESs). Kinetically, singlet C2H5O3Br and C2H5O2BrO were dominant products under the atmospheric conditions below 300 K. CH3CHO2 + HOBr, CH3CHO + HOBrO, and CH3CHO + HBrO2 are feasible to a certain extent thermodynamically. Because of high energy barriers, all products formed on the triplet PES are negligible. Moreover, time-dependent density functional theory (TDDFT) calculation implies that C2H5O3Br and C2H5O2BrO will photolyze under the sunlight.http://www.mdpi.com/1420-3049/23/6/1268C2H5O2BrOatmospheric reactionmechanismphotolyze
spellingShingle Chenggang Lu
Yizhen Tang
Wei Zhang
Xunshuai Qu
Zhihao Fu
Theoretical Investigations on Mechanisms and Pathways of C2H5O2 with BrO Reaction in the Atmosphere
Molecules
C2H5O2
BrO
atmospheric reaction
mechanism
photolyze
title Theoretical Investigations on Mechanisms and Pathways of C2H5O2 with BrO Reaction in the Atmosphere
title_full Theoretical Investigations on Mechanisms and Pathways of C2H5O2 with BrO Reaction in the Atmosphere
title_fullStr Theoretical Investigations on Mechanisms and Pathways of C2H5O2 with BrO Reaction in the Atmosphere
title_full_unstemmed Theoretical Investigations on Mechanisms and Pathways of C2H5O2 with BrO Reaction in the Atmosphere
title_short Theoretical Investigations on Mechanisms and Pathways of C2H5O2 with BrO Reaction in the Atmosphere
title_sort theoretical investigations on mechanisms and pathways of c2h5o2 with bro reaction in the atmosphere
topic C2H5O2
BrO
atmospheric reaction
mechanism
photolyze
url http://www.mdpi.com/1420-3049/23/6/1268
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