2012
DOI: 10.1139/v2012-019
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Theoretical studies on clusters of carbonate with carbon dioxide, CO31–/2–(CO2)n, forn= 1–5 — Comparison of carbonate clusters with sulfate clusters

Abstract: Density functional theory (DFT) calculations were performed on the geometries and energies of CO3 1-/2-(CO2)n clusters with n = 1-5. For small clusters (n = 1 or 2), coupled cluster energies were obtained. Up to three CO2 molecules are bound covalently to the dianion. Only weak electrostatic bonds were found in the monoanions. Calculated binding energies for the monoanions are in reasonable agreement with experimental values. The calculated adiabatic electron detachment energy for the dianion is -0.07 eV at n … Show more

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Cited by 2 publications
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“…This question can be addressed by looking at two potential problems: (1) the instability of microsolvated clusters themselves, (2) the peculiar dynamic behaviour of CO 3 2− in a bulk water solvent which serves as a precursor for the synthesis of microsolvated clusters. Previous theoretical investigations were related to the structural patterns of the microsolvated clusters; 18–21 however, no adequate conformational search was conducted, and the properties of interest were not predicted. In addition, [CO 3 ·(H 2 O) 6 ] 2− was theoretically shown to be stable toward autoionization.…”
Section: Introductionmentioning
confidence: 99%
“…This question can be addressed by looking at two potential problems: (1) the instability of microsolvated clusters themselves, (2) the peculiar dynamic behaviour of CO 3 2− in a bulk water solvent which serves as a precursor for the synthesis of microsolvated clusters. Previous theoretical investigations were related to the structural patterns of the microsolvated clusters; 18–21 however, no adequate conformational search was conducted, and the properties of interest were not predicted. In addition, [CO 3 ·(H 2 O) 6 ] 2− was theoretically shown to be stable toward autoionization.…”
Section: Introductionmentioning
confidence: 99%