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Tanzer K, Pelc A, Huber SE, et al. Low energy electron attachment to cyanamide (NH2CN). J Chem Phys. 2015;142(3):034301doi: 10.1063/1.4905500.
Tanzer, K., Pelc, A., Huber, S. E., Czupyt, Z., & Denifl, S. (2015). Low energy electron attachment to cyanamide (NH2CN). The Journal of chemical physics, 142(3), 034301. https://doi.org/10.1063/1.4905500
Tanzer, Katrin, et al. "Low energy electron attachment to cyanamide (NH2CN)." The Journal of chemical physics vol. 142,3 (2015): 034301. doi: https://doi.org/10.1063/1.4905500
Tanzer K, Pelc A, Huber SE, Czupyt Z, Denifl S. Low energy electron attachment to cyanamide (NH2CN). J Chem Phys. 2015 Jan 21;142(3):034301. doi: 10.1063/1.4905500. PMID: 25612703.
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J Chem Phys. 2015 Jan 21;142(3):034301. doi: 10.1063/1.4905500.

Low energy electron attachment to cyanamide (NH2CN).

The Journal of chemical physics

Katrin Tanzer, Andrzej Pelc, Stefan E Huber, Z Czupyt, Stephan Denifl

Affiliations

  1. Institut für Ionenphysik und Angewandte Physik, Leopold Franzens Universität Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria.
  2. Mass Spectrometry Department, Institute of Physics, Marie Curie-Sklodowska University, Pl. M. C.-Sklodowskiej 1, 20-031 Lublin, Poland.
  3. Ion Microprobe Facility Micro-area Analysis Laboratory, Polish Geological Institute-National Research Institute, Rakowiecka 4, 00-975 Warszawa, Poland.

PMID: 25612703 DOI: 10.1063/1.4905500

Abstract

Cyanamide (NH2CN) is a molecule relevant for interstellar chemistry and the chemical evolution of life. In the present investigation, dissociative electron attachment to NH2CN has been studied in a crossed electron-molecular beams experiment in the electron energy range from about 0 eV to 14 eV. The following anionic species were detected: NHCN(-), NCN(-), CN(-), NH2(-), NH(-), and CH2(-). The anion formation proceeds within two broad electron energy regions, one between about 0.5 and 4.5 eV and a second between 4.5 and 12 eV. A discussion of possible reaction channels for all measured negative ions is provided. The experimental results are compared with calculations of the thermochemical thresholds of the anions observed. For the dehydrogenated parent anion, we explain the deviation between the experimental appearance energy of the anion with the calculated corresponding reaction threshold by electron attachment to the isomeric form of NH2CN--carbodiimide.

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