Significance of halogen bonding in the synergistic nucleation of iodine oxoacids and iodine oxides.

ABSTRACT: Congeneric iodine oxoacids and iodine oxides, key nucleating vapours in the marine atmosphere, have been reported to nucleate individually. However, whether they can nucleate together remains unknown. Here, we provide molecular-level evidence that I₂O₄, the iodine oxide with the highest nucleation potential towards iodine oxoacids, can synergistically nucleate with HIO₃-HIO₂. The nucleation rate of HIO₃-HIO₂-I₂O₄ is 1.5 to 6.8 times higher than that of the known most efficient iodine-associated two-component (HIO₃-HIO₂) nucleation at 278.15 K, enhancing the role of iodine-containing species in marine atmospheric particle formation. Microscopic analysis of the three-component cluste

SUBMITTER: Zhang R 

PROVIDER: S-EPMC12352695 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature