Comprehensive assessment of atmospheric interactions between Criegee intermediate and simplest Imine (CH₂NH) in gas and aqueous phase environments.

ABSTRACT: The simplest Criegee intermediate (CH₂OO), produced through the ozonolysis (O₃) of ethylene in the Earth's troposphere, plays a crucial role as a precursor in new particle formation (NPF) and secondary organic aerosols (SOA). Recent experimental and theoretical findings suggest that Criegee intermediate (CI) with organic acid, carbonyl, and amines is important for organic aerosol formation. However, the reaction of CI with imine, especially methanimine (CH₂NH), has not been reported so far. The mechanism for CH₂OO + CH₂NH and CH₂OO + CH₂NH (+ H₂O) was studied using ab initio/MD. Our results indicate that the rate constants for the CH₂OO + CH₂NH reaction fall within the range of CH₂OO + CH

SUBMITTER: Dash MR 

PROVIDER: S-EPMC12660695 | biostudies-literature | 2025 Nov

REPOSITORIES: biostudies-literature