2011
DOI: 10.1016/j.cplett.2011.09.038
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A theoretical study on orthosilicic acid dissociation in water clusters

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Cited by 18 publications
(7 citation statements)
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“…[4] Theoretical methods were used to study orthosilicic acid Si(OH) 4 reactions. [5] They were also used to investigate the condensation of two Si(OH) 4 monomers. [6,7] Various small clusters have been used in the literature to model silicate surfaces.…”
Section: Introductionmentioning
confidence: 99%
“…[4] Theoretical methods were used to study orthosilicic acid Si(OH) 4 reactions. [5] They were also used to investigate the condensation of two Si(OH) 4 monomers. [6,7] Various small clusters have been used in the literature to model silicate surfaces.…”
Section: Introductionmentioning
confidence: 99%
“…In [3] dissociation of orthosilicic acid molecule in aqueous solutions was examined by Hartree-Fock-Roothaan method as well as by density functional theory with functionals В3LYP and M06-2x and within the frameworks of Møller-Plesset second order perturbation theory with basis set 6-311++G(d,p). The thermodynamic and kinetic characteristics of the reaction of proton transfer from orthosiicic molecule to a water molecule of the hydrate cover have been calculated as well as the equilibrium constant (рK а ) of this process.…”
Section: Resultsmentioning
confidence: 99%
“…Оптимізація комплексів та лігандів виконували з використанням гібридного DFT функціоналу B3LYP [8][9][10]. Всі атоми в системах описували за допомогою базисного набору 6-311++G(d, p) [11], який широко використовується для розрахунків комплексних та кластерних систем на основі Силіцію або Алюмінію [12][13][14][15] Розрахунки розподілу електронної густини ρ(r) проводили за допомогою методу QTAIM [18]. Потім визначали критичні точки типу (3; −1), для яких за допомогою рівняння Еспінози розраховували міжмолекулярну енергію зв'язування [19]: Eb = 0.…”
Section: методологія обчислень та експериментальних дослідженьunclassified