Substituted tetrazoles with N-oxide moiety: critical assessment of thermochemical properties
Literature Information
Dmitry V. Khakimov, Tatyana S. Pivina
Modeling of the structure of molecules and simulation of crystal structure followed by the calculation of the enthalpies of formation for 21 salts of three high-energy tetrazole 1N-oxides: 5-nitro-1-hydroxy-1H-tetrazole 1a–1g, 5-trinitromethyl-1-hydroxy-1H-tetrazole 2a–2g and 6-amino-3-(1-hydroxy-1H-tetrazol-5-yl)-1,2,4,5-tetrazine 1,5-dioxide 3a–3g was performed. The methods of quantum chemistry and the method of atom–atom potentials were used. Structural search for optimal crystal packings was carried out in 11 most common space symmetry groups. The enthalpies of formation were obtained and analyzed using two different approaches: VBT and MICCM methods, which allowed to evaluate the quality of these calculation methods. In addition, the results obtained indicate high values of thermochemical characteristics for some of the considered compounds, which have a positive effect on their explosive properties and unveil their future application potential.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.












![Methyl 2-[5-(3-Phenoxyphenyl)-2H-tetrazol-2-yl]acetate structure Methyl 2-[5-(3-Phenoxyphenyl)-2H-tetrazol-2-yl]acetate structure](https://static.chemtradehub.com/structs/130/1305320-60-8-84b4.webp)

![(3R,4aR,7aS,9aR,10S,11R,13aR,13bS,15aS,15bR)-3,11-Dihydroxy-10-(hydroxymethyl)-4,4,7a,10,13a,15b-hexamethyl-1,2,3,4,4a,7,7a,8,9,9a,10,11,12,13,13a,13b,14,15,15a,15b-icosahydro-5H-naphtho[2',1':4,5]cyc
lohepta[1,2-a]naphthalen-5-one structure (3R,4aR,7aS,9aR,10S,11R,13aR,13bS,15aS,15bR)-3,11-Dihydroxy-10-(hydroxymethyl)-4,4,7a,10,13a,15b-hexamethyl-1,2,3,4,4a,7,7a,8,9,9a,10,11,12,13,13a,13b,14,15,15a,15b-icosahydro-5H-naphtho[2',1':4,5]cyc
lohepta[1,2-a]naphthalen-5-one structure](https://static.chemtradehub.com/structs/538/53800-21-8-9f18.webp)