Hydrated Formic Acid Clusters and their Interaction with Electrons
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F24%3A00584315" target="_blank" >RIV/61388955:_____/24:00584315 - isvavai.cz</a>
Result on the web
<a href="https://hdl.handle.net/11104/0352245" target="_blank" >https://hdl.handle.net/11104/0352245</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/cphc.202400071" target="_blank" >10.1002/cphc.202400071</a>
Alternative languages
Result language
angličtina
Original language name
Hydrated Formic Acid Clusters and their Interaction with Electrons
Original language description
We investigate ion formation in hydrated formic acid (FA) clusters upon collision with electrons of variable energy, focusing on electron ionization at 70 eV (EI) and low-energy (1.5–15 eV) electron attachment (EA). To uncover details about the composition of neutral clusters, we aim to elucidate the ion formation processes in FAM ⋅ WN clusters initiated by interaction with electrons and determine the extent of cluster fragmentation. EI predominantly produces protonated [FAm+H]+ ions, and in FA-rich clusters, the stable ring structures surrounding H3O+ ions are formed. In contrast, EA leads to a competition between the formation of intact [FAm ⋅ Wn]− and dissociated [FAm ⋅ Wn−H]− fragment ions, influenced by the cluster size, level of hydration, and electron energy. Our findings reveal a predisposition of low-energy EA towards forming [FAm ⋅ Wn]−, while higher electron energies tend to favor the formation of [FAm ⋅ Wn−H]− due to intracluster ion-molecule reactions. The comparison of positive and negative ion spectra suggests that the mass spectra of FA-rich clusters may indicate their actual size and composition. On the other hand, the more weakly bound water evaporation from the clusters depends strongly on the ionization. Thus, for the hydrated clusters, the neutral cluster size can hardly be estimated from the mass spectra.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10403 - Physical chemistry
Result continuities
Project
<a href="/en/project/GA24-11390S" target="_blank" >GA24-11390S: Atmospheric Aerosol Nanoclusters in Molecular Beam Experiments and Computer Simulations</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
ChemPhysChem
ISSN
1439-4235
e-ISSN
1439-7641
Volume of the periodical
25
Issue of the periodical within the volume
10
Country of publishing house
US - UNITED STATES
Number of pages
8
Pages from-to
e202400071
UT code for WoS article
001180593300001
EID of the result in the Scopus database
2-s2.0-85186848821