Microsolvation of NO<inf>3</inf><sup>-</sup>: Structural exploration and bonding analysis

Elizabeth Flórez, Nancy Y. Acelas, César Ibargüen, Sukanta Mondal, José Luis Cabellos, Gabriel Merino, Albeiro Restrepo

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

36 Citas (Scopus)


© 2016 The Royal Society of Chemistry. Exploration of the potential energy surfaces (PESs) of various microsolvated species associated with the microsolvation of the nitrate anion using density functional theory methods uncovers a rich and complex structural diversity previously unnoticed in the scientific literature for the [NO3(H2O)n]-, n = 1-6 clusters. Two types of interactions are at play in stabilizing the clusters: traditional water to water and charge assisted nitrate to water hydrogen bonds (HBs). The formal negative charge on oxygen atoms in nitrate strengthens hydrogen bonding among water molecules. There is outstanding agreement between available experimental data (sequential hydration enthalpies, IR spectra, and vertical detachment energies) and the corresponding expectation values obtained from our structures. Each PES is heavily populated in the vicinities of the corresponding global minimum with multiple structures contributing to the experimental properties. The last two statements, in conjunction with results from other works (see for example Phys. Chem. Chem. Phys. 2014, 16, 19241) place a warning on the generalized and naive practice of assigning experimental observations to individual structures.
Idioma originalInglés estadounidense
Páginas (desde-hasta)71913-71923
Número de páginas11
PublicaciónRSC Advances
EstadoPublicada - 1 ene. 2016


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