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- Title
IR‐Laser Ablation of Potassium Cyanide: A Surprisingly Simple Route to Polynitrogen and Polycarbon Species.
- Authors
Redeker, Frenio A.; Beckers, Helmut; Riedel, Sebastian
- Abstract
Pulsed laser irradiation of solid potassium cyanide (KCN) produces, besides free nitrogen and carbon atoms, the molecular species KN and KC which are potential candidates for interstellar species of potassium. Additionally, N3, N3−, KN3, C3, C3−, and KC3 are produced and isolated in solid noble gases as well as in solid N2. Molecular potassium nitrene (KN) reacts with dinitrogen in neon and argon matrices after photochemical excitation (λ=470 nm) forming molecular end‐on (C∞v) and side‐on (C2v) potassium azide isomers. The side‐on isomer (C2v) is thermodynamically favored at the CCSD(T)/ma‐def2‐TZVP level of theory. It can be obtained from the end‐on isomer by UV‐irradiation (λ=273 nm).
- Subjects
POTASSIUM cyanide; SOLID rare gases; PULSED lasers; SOLID-state lasers; SPECIES
- Publication
Chemistry - A European Journal, 2020, Vol 26, Issue 8, p1763
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201905103