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Cited by 47Origins and Evolution of LifeAstro and Planetary ScienceSpace Science and Extraterrestrial Life

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Polymorphism and electronic structure of polyimine and its potential significance for prebiotic chemistry on Titan

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Rahm, Martin, Lunine, Jonathan I., Usher, David A., Shalloway, David·2016·Proceedings of the National Academy of Sciences
DOI 10.1073/pnas.1606634113PMC PMC4961190
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Abstract

Significance: Titan is the only place in the solar system, except Earth, where rainfall and seasonally flowing liquids erode the landscape. Whereas the surface pressure is similar to that of Earth, the temperature is extremely low and the dominant liquids are methane and ethane. This makes Titan a test case for exploring the environmental limits of prebiotic chemistry and addressing the question of whether life can develop without water. Experimental and observational data suggest that hydrogen cyanide, the most abundant hydrogen-bonding molecule in Titan’s atmosphere, may polymerize on the surface to polyimine. Using quantum mechanical calculations, we show that polyimine has interesting electronic and structural properties that could potentially facilitate prebiotic chemistry under cryogenic conditions akin to those on Titan.

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  • Rahma et al. (2016) showed by theoretical calculations that polyimines could drive photochemistry and potentially have a catalytic role on Titan's surface.

    “Rahma et al. (2016) showed by theoretical calculations that polyimines could drive photochemistry and potentially have a catalytic role on Titan's surface.”

    From The Emergence of Life (2019) · cites this paper as Rahma et al. (2016)

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Metadata

Authors
Rahm, M., Lunine, J. I., Usher, D. A., & Shalloway, D.
Affiliations
Cornell University (US)
ORCID
Venue
Proceedings of the National Academy of Sciences
Publisher
National Academy of Sciences
Published
2016-07-05
Volume
113
Issue
29
Pages
8121-8126
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
DOI
10.1073/pnas.1606634113
PMC
PMC4961190
OpenAlex
W2467784475
Cited by
47
References
50
Citations by year
2026: 4 · 2025: 3 · 2024: 5 · 2023: 2 · 2022: 3 · 2021: 9 · 2020: 1 · 2019: 4 · 2018: 7 · 2017: 8 · 2016: 1
FWCI
3.19
Type
journal article
Language
en
Open access
Licence
www.pnas.org/preview_site/misc/userlicense.xhtml (vor)
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
  • Chalmers Publication Library (Chalmers University of Technology) (submittedVersion)
  • Chalmers Research (Chalmers University of Technology) (submittedVersion)
Funders
  • John Templeton Foundation (FP050136-G)
  • NSF | MPS | Division of Chemistry (CHE-1305872)
  • NSF | CISE | Advanced Cyberinfrastructure (ACI-1053575)
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Origins and Evolution of Life
  • Physical Sciences › Earth and Planetary Sciences › Space and Planetary Science › Astro and Planetary Science
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Space Science and Extraterrestrial Life
Keywords
polyimine, Titan, prebiotic chemistry, polymorphism, electronic structure, band gap, chain conformation, photochemistry, hydrogen bonding, origin of life, Cassini-Huygens
MeSH terms
Extraterrestrial Environment, Hydrogen Cyanide, Polymers, Molecular Structure, Saturn, Polymerization

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