Organic synthesis in experimental impact shocks.

Details Organic synthesis in experimental impact shocks. Organic synthesis in experimental impact shocks.

Apr 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997sci...276..390m&link_type=abstract

Science, Vol. 276, No. 5311, p. 390 - 392

Computer Science

18

Laboratory Simulations: Organic Molecules, Organic Molecules: Cosmology

Scientific paper

Laboratory simulations of shocks created with a high-energy laser demonstrate that the efficacy of organic production depends on the molecular, not just the elemental composition of the shocked gas. In a methane-rich mixture that simulates a low-temperature equilibrium mixture of cometary material, hydrogen cyanide and acetylene were produced with yields of 5×1017molecules per joule. Repeated shocking of the methane-rich mixture produced amine groups, suggesting the possible synthesis of amino acids. No organic molecules were produced in a carbon dioxide-rich mixture, which is ad odds with thermodynamic equilibrium approaches to shock chemistry and has implications for the modelling of shock-produced organic molecules on early Earth.

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