Stabilizing dicyanoacetylene anions in planetary atmospheres:quantum dynamics of its transient negative ions

作者: F. Sebastianelli , F. A. Gianturco

DOI: 10.1140/EPJD/E2010-00170-0

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摘要: Quantum computations that follow the electron-attachment process at low energies (<10 eV) to NCCCCN gaseous molecule are carried out in order understand role of transient negative ions (TNIs) which act as “doorway states" molecular stabilization and/or fragmentation after resonant attachment an environmental electron. The computed behaviour found TNIs suggests NCCCCN*- intermediate could be formed under conditions justify and explain existence stable carbonaceous anions interstellar medium, while further anionic fragments title molecule, already seen laboratory experiments, also identified by present calculations.

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