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Hydrogen cyanide in nitrogen-rich atmospheres of rocky exoplanets

Abstract:

Hydrogen cyanide (HCN) is a key feedstock molecule for the production of life's building blocks. The formation of HCN in an N2-rich atmospheres requires first that the triple bond between N≡N be severed, and then that the atomic nitrogen find a carbon atom. These two tasks can be accomplished via photochemistry, lightning, impacts, or volcanism. The key requirements for producing appreciable amounts of HCN are the free availability of N2 and a local carbon to oxygen ratio of C/O ≥ 1. We discu...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.icarus.2019.02.020

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
MPLS Divisional Office
Department:
Unknown
Role:
Author
Publisher:
Elsevier Publisher's website
Journal:
Icarus Journal website
Volume:
329
Issue:
September
Pages:
124-131
Publication date:
2019-03-22
Acceptance date:
2019-02-19
DOI:
ISSN:
0019-1035
Source identifiers:
980415
Pubs id:
pubs:980415
UUID:
uuid:ad4fafb9-facd-41ce-bbbb-771b15222e37
Local pid:
pubs:980415
Deposit date:
2019-03-07

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