Enthalpy of Formation of Gaseous Nitryl Fluoride FNO2

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Аннотация

Contradictory literature data on thermal stability, some methods of synthesis, and thermodynamic characteristics of nitryl fluoride have been considered and analyzed. Reliable estimates of reaction enthalpies have been obtained: 2FNO2 = 2FNO + O2, ΔrH°(0) ≥ 173.5, NO2 + 2CoF3(c) = FNO2 + Co2F5(c), ΔrH°(0) = –7.4; 3/2N2O4 + NaF(c) = FNO2 + NO + NaNO3(c), ΔrH°(0) = 11.3 kJ/mol. A new value of the enthalpy of formation of nitryl fluoride ΔfH°(FNO2(g), 0) = –161 ± 15 kJ/mol has been recommended. For the interaction of FNO2 with V2O5(c) as an example, the impossibility of formation of crystalline vanadium pentafluoride has been demonstrated.

Авторлар туралы

M. Nikitin

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: alikhan@igic.ras.ru
119991, Moscow, Russia

K. Smorchkov

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: alikhan@igic.ras.ru
119991, Moscow, Russia

A. Alikhanyan

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: alikhan@igic.ras.ru
119991, Moscow, Russia

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© М.И. Никитин, К.Г. Сморчков, А.С. Алиханян, 2023