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ACP | Articles | Volume 19, issue 21
Atmos. Chem. Phys., 19, 13355–13366, 2019
https://doi.org/10.5194/acp-19-13355-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 19, 13355–13366, 2019
https://doi.org/10.5194/acp-19-13355-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 30 Oct 2019

Research article | 30 Oct 2019

Rate enhancement in collisions of sulfuric acid molecules due to long-range intermolecular forces

Roope Halonen et al.

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Short summary
The rate of collisions between molecules or clusters is used to determine particle formation in the atmosphere. The basic approach is to treat the colliding particles as noninteracting hard spheres. By using atomistic simulations with a realistic force field and theoretical approaches, we showed that the actual collision rate of two sulfuric acid molecules is more than twice as high as that for hard spheres. The results of this study will improve models of atmospheric particle growth.
The rate of collisions between molecules or clusters is used to determine particle formation in...
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