Propargyl-substituted furazanoazepines: synthesis, structure, enthalpy of formation, ballistic efficiency

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Resumo

7-Propargyl-7H-difurazano[3,4-b :3′,4′-f]furoxano[3″,4″-d]azepine (Az(O)Prg) and 7-propargyl-7H-trifurazano[3,4-b :3′,4′-d :3″,4″-f]azepine (AzPrg) as potential dispersants of solid fuels for gas-generating engines were synthesized for the first time. Their molecular structure, enthalpies of combustion and formation are determined. The relative aircraft flight range is estimated when using Az(O)Prg and AzPrg as fuel dispersants.

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Sobre autores

D. Lempert

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Autor responsável pela correspondência
Email: lempert@icp.ac.ru
Rússia, Chernogolovka

E. Ignatieva

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: lempert@icp.ac.ru
Rússia, Chernogolovka

A. Stepanov

“Tekhnolog” Special Design and Technological Bureau

Email: lempert@icp.ac.ru
Rússia, St. Petersburg

D. Dashko

“Tekhnolog” Special Design and Technological Bureau

Email: lempert@icp.ac.ru
Rússia, St. Petersburg

A. Kazakov

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: lempert@icp.ac.ru
Rússia, Chernogolovka

A. Nabatova

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: lempert@icp.ac.ru
Rússia, Chernogolovka

G. Shilov

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: lempert@icp.ac.ru
Rússia, Chernogolovka

G. Lagodzinskaya

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: lempert@icp.ac.ru
Rússia, Chernogolovka

D. Korchagin

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: lempert@icp.ac.ru
Rússia, Chernogolovka

S. Aldoshin

Institute of Problems of Chemical Physics, Russian Academy of Sciences

Email: lempert@icp.ac.ru
Rússia, Chernogolovka

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2. Fig. 1. Molecular structure of AzPrg. Atoms are depicted as 50% probability ellipsoids. Hydrogen atoms are not labeled.

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3. Fig. 2. Packing of AzPrg crystal structure. Atoms are depicted as 50% probability ellipsoids.

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4. Fig. 3. Fragment of the crystal structure of AzPrg. Atoms are represented as ellipsoids of 50% probability. Dashed lines show van der Waals interactions (contacts).

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5. Fig. 4. Molecular structure of Az(O)Prg. Atoms are depicted as ellipsoids of 50% probability. Hydrogen atoms are not labeled.

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6. Fig. 5. Projection of the Az(O)Prg crystal structure onto a plane along the cell axis ab.

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7. Fig. 6. Energy and topology of the strongest pairwise intermolecular interactions in crystal structures: a - AzPrg, b - Az(O)Prg.

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