Cocrystal Engineering of a High Nitrogen Energetic Material

Rosalyn V. Kent, Ren A. Wiscons, Pessia Sharon, Dan Grinstein, Aryeh A. Frimer, Adam J. Matzger

Research output: Contribution to journalArticlepeer-review

73 Scopus citations

Abstract

Cocrystallization of energetic materials has emerged as a strategy to modulate properties through directed selection of coformers. Here, the cocrystallization of a high-nitrogen energetic material, 3,6-bis(1H-1,2,3,4-tetrazol-5-ylamino)-s-tetrazine (BTATz), is detailed. The utility of electrostatic potential maps to predict the behavior of coformers with BTATz is demonstrated as well as a critical requirement for regions of sufficiently negative electrostatic potential on the coformer (Vs,min). Cocrystal structures are compared to the solvent-free structure of BTATz, determined here for the first time. The new materials exhibit good thermal stability (>200 °C) and are insensitive to impact. Cocrystallization of BTATz demonstrates the capability of high-nitrogen energetic materials to form multicomponent crystal systems and reaffirms the ability of coformers to modulate energetic performance.

Original languageEnglish
Pages (from-to)219-224
Number of pages6
JournalCrystal Growth and Design
Volume18
Issue number1
DOIs
StatePublished - 3 Jan 2018

Bibliographical note

Publisher Copyright:
© 2017 American Chemical Society.

Funding

We thank Dr. Jeff Kampf for single crystal X-ray analysis and funding from NSF Grant CHE-0840456 for the Rigaku AFC10K Saturn 944+ CCD-based X-ray diffractometer. This work was supported by the Army Research Office (ARO) in the form of a Multidisciplinary University Research Initiative (MURI) (grant number: W911NF-13−1-0387). R.V.K. acknowledges the Rackham Merit Fellowship Program for funding. We thank Dr. Jeff Kampf for single crystal X-ray analysis and funding from NSF Grant CHE-0840456 for the Rigaku AFC10K Saturn 944+ CCD-based X-ray diffractometer. This work was supported by the Army Research Office (ARO) in the form of a Multidisciplinary University Research Initiative (MURI) (grant number: W911NF-13-1-0387). R.V.K. acknowledges the Rackham Merit Fellowship Program for funding.

FundersFunder number
National Science FoundationCHE-0840456
Army Research Office
Multidisciplinary University Research InitiativeW911NF-13−1-0387
Norsk Sykepleierforbund

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