Theoretical studies of the structure, stability, and detonation properties of vicinal-tetrazine 1,3-dioxide annulated with a five-membered heterocycle. 2. Annulation with a pyrazole ring

Verfasser / Beitragende:
[Tianyi Wang, Chunmei Zheng, Xuedong Gong, Mingzhu Xia]
Ort, Verlag, Jahr:
2015
Enthalten in:
Journal of Molecular Modeling, 21/10(2015-10-01), 1-9
Format:
Artikel (online)
ID: 605512329
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024 7 0 |a 10.1007/s00894-015-2816-9  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00894-015-2816-9 
245 0 0 |a Theoretical studies of the structure, stability, and detonation properties of vicinal-tetrazine 1,3-dioxide annulated with a five-membered heterocycle. 2. Annulation with a pyrazole ring  |h [Elektronische Daten]  |c [Tianyi Wang, Chunmei Zheng, Xuedong Gong, Mingzhu Xia] 
520 3 |a 1,2,3,4-Tetrazine (vicinal-tetrazine) high-energy-density compounds (HEDCs) are receiving increasing attention due to their promise as explosives. We have performed a series of studies of vicinal-tetrazine 1,3-dioxides annulated with a range of five-membered heterocycles, considering their potential as high-energy, low-sensitivity explosives. In the present work, 12 pyrazolo-1,2,3,4-tetrazine 1,3-dioxides (pyrazolo-TDOs), P1-P12, were studied theoretically. Their geometrical structures in the gas phase were studied at the B3LYP/6-311++G(d,p) level of density functional theory (DFT). Their gas-phase enthalpies of formation were calculated by the homodesmotic reaction method. Their enthalpies of sublimation and solid phase enthalpies of formation were also predicted. Their detonation properties were estimated with the Kamlet-Jacobs equations, based on their predicted densities and enthalpies of formation in the solid state. Their bond dissociation activation energies (BDAEs) and the available free space in the lattice of each compound were calculated to evaluate their stabilities. P1, P4, and P11 were found to achieve the energy level of RDX and have acceptable stabilities, and are therefore considered to be the three most promising pyrazolo-TDOs for use as high-energy, low-sensitivity explosives. We believe that further studies, both experimental and theoretical, of these three targets would be worthwhile. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Detonation performance  |2 nationallicence 
690 7 |a DFT  |2 nationallicence 
690 7 |a Pyrazole  |2 nationallicence 
690 7 |a Stability  |2 nationallicence 
690 7 |a 1,2,3,4-Tetrazine  |2 nationallicence 
700 1 |a Wang  |D Tianyi  |u Department of Chemistry, Nanjing University of Science and Technology, 210094, Nanjing, China  |4 aut 
700 1 |a Zheng  |D Chunmei  |u Department of Chemistry, Nanjing University of Science and Technology, 210094, Nanjing, China  |4 aut 
700 1 |a Gong  |D Xuedong  |u Department of Chemistry, Nanjing University of Science and Technology, 210094, Nanjing, China  |4 aut 
700 1 |a Xia  |D Mingzhu  |u Department of Chemistry, Nanjing University of Science and Technology, 210094, Nanjing, China  |4 aut 
773 0 |t Journal of Molecular Modeling  |d Springer Berlin Heidelberg  |g 21/10(2015-10-01), 1-9  |x 1610-2940  |q 21:10<1  |1 2015  |2 21  |o 894 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Wang  |D Tianyi  |u Department of Chemistry, Nanjing University of Science and Technology, 210094, Nanjing, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Zheng  |D Chunmei  |u Department of Chemistry, Nanjing University of Science and Technology, 210094, Nanjing, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Gong  |D Xuedong  |u Department of Chemistry, Nanjing University of Science and Technology, 210094, Nanjing, China  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Xia  |D Mingzhu  |u Department of Chemistry, Nanjing University of Science and Technology, 210094, Nanjing, China  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Journal of Molecular Modeling  |d Springer Berlin Heidelberg  |g 21/10(2015-10-01), 1-9  |x 1610-2940  |q 21:10<1  |1 2015  |2 21  |o 894 
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