Articles | Volume 26, issue 15
https://doi.org/10.5194/acp-26-11153-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-11153-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
10 Aug 2026
Research article |
| 10 Aug 2026
Exploring the hydrogen abstraction pathway in HOM formation from α-pinene photooxidation systems under varying NO conditions
Institute of Climate and Energy Research, ICE-3: Troposphere, Forschungszentrum Jülich, 52425 Jülich, Germany
Hongru Shen
School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
Shanghai Frontiers Science Center of Atmosphere-Ocean Interaction, Department of Atmospheric and Oceanic Sciences & Institute of Atmospheric Sciences, Fudan University, Shanghai 200438, China
Institute of Eco-Chongming (IEC), 20 Cuiniao Rd., Chongming, Shanghai, 202162, China
Sungah Kang
Institute of Climate and Energy Research, ICE-3: Troposphere, Forschungszentrum Jülich, 52425 Jülich, Germany
Rongrong Wu
Centre for Atmospheric Sciences, School of Earth, Atmospheric & Environmental Sciences, University of Manchester, M13 9PL Manchester, United Kingdom
Yarê Baker
Leibniz Institute for Tropospheric Research (TROPOS), 04318 Leipzig, Germany
Quanfu He
Earth, Ocean and Atmospheric Sciences (EOAS) Thrust, Function Hub, The Hong Kong University of Science and Technology (Guangzhou), 511458 Guangzhou, Guangdong, China
Annika Zanders
Institute of Climate and Energy Research, ICE-3: Troposphere, Forschungszentrum Jülich, 52425 Jülich, Germany
Mathias Bachner
Institute of Technology and Engineering, Forschungszentrum Jülich, 52425 Jülich, Germany
Douglas R. Worsnop
Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, 00560 Helsinki, Finland
Aerodyne Research, Inc., Billerica, 01821 Massachusetts, United States
Thorsten Hohaus
Institute of Climate and Energy Research, ICE-3: Troposphere, Forschungszentrum Jülich, 52425 Jülich, Germany
Thomas F. Mentel
Institute of Climate and Energy Research, ICE-3: Troposphere, Forschungszentrum Jülich, 52425 Jülich, Germany
retired
Institute of Climate and Energy Research, ICE-3: Troposphere, Forschungszentrum Jülich, 52425 Jülich, Germany
Data sets
Supplementary data for "Exploring the Hydrogen Abstraction Pathway in HOM Formation from α-pinene Photooxidation Systems under Varying NO Conditions" Hui Wang et al. https://doi.org/10.26165/JUELICH-DATA/ZZPLMZ
Short summary
Chamber simulations were conducted to investigate formation of highly oxygenated organic molecules (HOM) from OH-initiated α-pinene oxidation under varying NO levels, with emphasis on the hydrogen-abstraction pathway. Without NO, C10H17Oₓ· species dominated. With NO, C10H15Oₓ· products became more abundant, accounting for ~34 % at high NO levels. Clustering results and comparison with α-pinene and pinonaldehyde systems show that hydrogen-abstraction is likely the source of C10H15Oₓ·-related HOM.
Chamber simulations were conducted to investigate formation of highly oxygenated organic...
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