Dinitrogen difluoride

Dinitrogen difluoride is a chemical compound with the formula N₂F₂. It is a gas at room temperature, and was first identified in 1952 as the thermal decomposition product of the azide N₃F. It has the structure F-N=N-F and exists in both a cis- and trans-form. The cis configuration lies in a C_2v symmetry and the trans-form has a symmetry of C_2h. These isomers are thermally interconvertible but can be separated by low temperature fractionation. The trans-form is less thermodynamically stable but can be stored in glass vessels. The cis-form attacks glass over a time scale of about 2 weeks to form silicon tetrafluoride and nitrous oxide:

单词	Difluorodiazene
释义	Difluorodiazene 英语百科 Dinitrogen difluoride Dinitrogen difluoride is a chemical compound with the formula N₂F₂. It is a gas at room temperature, and was first identified in 1952 as the thermal decomposition product of the azide N₃F. It has the structure F-N=N-F and exists in both a cis- and trans-form. The cis configuration lies in a C_2v symmetry and the trans-form has a symmetry of C_2h. These isomers are thermally interconvertible but can be separated by low temperature fractionation. The trans-form is less thermodynamically stable but can be stored in glass vessels. The cis-form attacks glass over a time scale of about 2 weeks to form silicon tetrafluoride and nitrous oxide:
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Difluorodiazene

Dinitrogen difluoride