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Structural Properties of High-Energy N12C6 Molecules: Cyclic Hexamers of NCN.

ABSTRACT: Molecules with high nitrogen content are of interest for their potential as high-energy materials. However, many molecules with 100% nitrogen content are unstable and dissociate with low barriers, which limits practical applications. In the present study, cyclic hexamers of the basic unit NCN (70% nitrogen by mass) are studied to determine the structural features and bonding characteristics that lead to more stable molecules. Double- and triple-bonded NCN units are compared to determine which form of NCN contributes the greater stability. Theoretical calculations using density functional theory and couple-cluster theory are carried out on a series of N12C6 molecules to determine trends in stability. Energetic and structural trends, as well as differences between DFT and coupled-cluster theory, are calculated and discussed.

SUBMITTER: Ross N

PROVIDER: S-EPMC4741108 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Structural Properties of High-Energy N12C6 Molecules: Cyclic Hexamers of NCN.

Ross Nikko N Strout Douglas L DL

Computational & theoretical chemistry 20151201

Molecules with high nitrogen content are of interest for their potential as high-energy materials. However, many molecules with 100% nitrogen content are unstable and dissociate with low barriers, which limits practical applications. In the present study, cyclic hexamers of the basic unit NCN (70% nitrogen by mass) are studied to determine the structural features and bonding characteristics that lead to more stable molecules. Double- and triple-bonded NCN units are compared to determine which fo ...[more]

PMID: 26855881

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