Quantum-Chemical Study of Gas-Phase 5/6/5 Tricyclic Tetrazine Derivatives


  • Vadim M. Volokhov Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences, Chernogolovka, Moscow Region, Russian Federation https://orcid.org/0000-0002-5586-9374
  • Vladimir V. Parakhin N.D. Zelinskiy Institute of Organic Chemistry of the Russian Academy of Sciences, Moscow, Russian Federation https://orcid.org/0000-0003-3258-4875
  • Elena S. Amosova Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences, Chernogolovka, Moscow Region, Russian Federation https://orcid.org/0000-0002-1790-9769
  • David B. Lempert Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences, Chernogolovka, Moscow Region, Russian Federation https://orcid.org/0000-0002-0219-1571
  • Tatiana S. Zyubina Federal Research Center of Problems of Chemical Physics and Medicinal Chemistry of the Russian Academy of Sciences, Chernogolovka, Moscow Region, Russian Federation https://orcid.org/0000-0003-2556-0074




high-performance computing, quantum-chemical calculations, enthalpy of formation, high-energy materials, tetrazines, nitroimidazoles, azides


The most important task for specialists in the field of energy-intensive compounds is the search for new high-energy density materials and the study of their properties. This paper continues the study of series of tetrazines condensed with different types of azoles and presents the results of study of molecule structure of high-energy 5/6/5 tricyclic 1,2,3,4- and 1,2,4,5-tetrazines annelated with nitro-substituted imidazoles. The enthalpies of formation of the given molecules in the gaseous phase have been determined by high-performance quantum-chemical calculations by various calculation methods within the Gaussian 09 program package: G4, G4MP2, ωB97XD/aug-cc-pVTZ, CBS-4M, B3LYP/6-311+G(2d,p), M062X/6-311+G(2d,p). Different calculation methods and approaches have been compared in terms of their accuracy and time consumption. In addition, vibrational IR spectra have been calculated for the given compounds, and the correspondence of characteristic absorption frequencies to key fragments and functional groups of the structures has been determined. Enthalpy of formation of one of the studied substances (4220 kJ/kg) is the highest one among entalpies of formation of energy-intensive bis(nitroazolo)tetrazines calculated up to date.


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How to Cite

Volokhov, V. M., Parakhin, V. V., Amosova, E. S., Lempert, D. B., & Zyubina, T. S. (2024). Quantum-Chemical Study of Gas-Phase 5/6/5 Tricyclic Tetrazine Derivatives. Supercomputing Frontiers and Innovations, 10(3), 61–72. https://doi.org/10.14529/jsfi230306

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