Protonation of N2O and NO2 in a solid phase

Protonation of N2O and NO2 in a solid phase Научная публикация

Журнал

Physical Chemistry Chemical Physics
ISSN: 1463-9076 , E-ISSN: 1463-9084

Вых. Данные

Год: 2017, Том: 19, Номер: 48, Страницы: 32733-32740 Страниц : 8 DOI: 10.1039/c7cp04474g

Авторы

Stoyanov Evgenii S. ^1,2 , Stoyanova Irina V. ¹

Организации

1	(Данные Web of science) Russian Acad Sci, Vorozhtsov Inst Organ Chem, Siberian Branch, Novosibirsk 630090, Russia
2	(Данные Web of science) Novosibirsk State Univ, Dept Nat Sci, Natl Res Univ, Novosibirsk 630090, Russia

Adsorption of gaseous N2O on the acidic surface Bronsted centers of the strongest known solid acid, H(CHB11F11), results in formation of the N N-OH+ cation. Its positive charge is localized mainly to the H-atom, which is H-bonded to the CHB11F11- anion forming an asymmetric proton disolvate of the L-1-H+center dot center dot center dot L-2 type, where L-1 = N2O and L-2 = CHB11F11-. NO2 protonation under the same conditions leads to the formation of the highly reactive cation radical NO2H center dot+, which reacts rapidly with an NO2 molecule according to the equation N2OH+ + NO2 --> [N2O4H+] --> N2OH+ + O-2 resulting in the formation of two types of N2OH+ cations: (i) a typical Bronsted superacid, N N-OH+, with a strongly acidic OH group involved in a rather strong H-bond with the anion, and (ii) a typical strong Lewis acid, N N+-OH, with a positive charge localized to the central N atom and ionic interactions with the surrounding anions via the charged central N atom.

Stoyanov E.S. , Stoyanova I.V.
Protonation of N2O and NO2 in a solid phase

Physical Chemistry Chemical Physics. 2017. V.19. N48. P.32733-32740. DOI: 10.1039/c7cp04474g WOS Scopus РИНЦ

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