RT Journal Article
T1 A crossed molecular beam investigation of the N(2D) + pyridine reaction and implications for prebiotic chemistry
A1 Recio Ibáñez, Pedro
A1 Balucani, Nadia
A1 Casavecchia, Piergiorgio
A1 Caracciolo, Adriana
A1 Mancini, Luca
A1 Marchione, Demian
A1 Murray, Vanessa J.
A1 Rosi, Marzio
AB The reactivity of the prototypical aromatic six-membered N-heterocyclic pyridine is of relevance in atmospheric/combustion chemistry, as well as astrochemistry and prebiotic chemistry. Yet, experimental/theoretical studies of elementary reactions involving pyridine are scarce, with little information on primary reaction products and their branching fractions (BFs). Here, we report crossed molecular beam studies of the reaction of electronically excited atomic nitrogen, N(2D), with pyridine. This reaction can proceed via ring-contraction (BF≈0.35) or H-displacement (BF≈0.65) mechanisms, while the inclusion of N(2D) into the ring leads to pyrimidine + CH. Implications for prebiotic chemistry and the chemistry of Saturn's moon Titan are noted.
PB Science Direct
SN 0009-2614
YR 2021
FD 2021-09
LK https://hdl.handle.net/20.500.14352/131410
UL https://hdl.handle.net/20.500.14352/131410
LA eng
NO Recio, P., Marchione, D., Caracciolo, A., Murray, V. J., Mancini, L., Rosi, M., Casavecchia, P., & Balucani, N. (2021). A crossed molecular beam investigation of the N(2D) + pyridine reaction and implications for prebiotic chemistry. Chemical Physics Letters, 779. https://doi.org/10.1016/J.CPLETT.2021.138852
NO This letter is dedicated to Prof. Fernando Pirani in the occasion of his retirement.This work was supported by the Italian Space Agency (ASI) BANDO ASI DC-VUM-2017-034 CONTRATTO DI FINANZIAMENTO ASI N. 2019-3-U.0, “Vita nello spazio - Origine, presenza, persistenza della vita nello spazio, dalle molecole agli estremofili”.
NO Italian Space Agency
DS Docta Complutense
RD 18 mar 2026