Activation of Small Molecules by Modified Dodecaborate Anions

Two of the basic requirements of a good catalyst are that molecules be bound to it with energies intermediate between physisorption and chemisorption and be simultaneously activated in the process. Using density functional theory, we have studied the interaction of small molecules such as H2, O2, N2...

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Bibliographic Details
Published in:The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Molecules, spectroscopy, kinetics, environment, & general theory, 2024-03, Vol.128 (11), p.1993-2002
Main Authors: Kilic, Mehmet Emin, Jena, Puru
Format: Article
Language:English
Subjects:
A: Structure, Spectroscopy, and Reactivity of Molecules and Clusters
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Summary:Two of the basic requirements of a good catalyst are that molecules be bound to it with energies intermediate between physisorption and chemisorption and be simultaneously activated in the process. Using density functional theory, we have studied the interaction of small molecules such as H2, O2, N2, CO2, CO, and NH3 with modified dodecaborate anion [B12H12]2–, namely, [B12X11]− and [B12X11]2– (X = H, F, CN). Calculations of the structure, stability, and electronic properties of these species interacting with the above molecules show that they meet the above requirements. In addition, [B12X11]2– (X = F, CN) species are not only more stable than [B12X11]− species but also bind to O2 more strongly than their monoanion counterparts.
ISSN:1089-5639
1520-5215
DOI:10.1021/acs.jpca.3c07361