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@article{1185375, author = {Ferus, Martin and Michalčíková, Regina and Shestivská, Violetta and Šponer, Jiří and Šponerová, Judit and Civiš, Svatopluk}, article_location = {Washington DC}, article_number = {4}, doi = {http://dx.doi.org/10.1021/jp411415p}, keywords = {HIGH-POWER LASER; TRANSFORM EMISSION-SPECTROSCOPY; INDUCED DIELECTRIC-BREAKDOWN; EARTHS EARLY ATMOSPHERE; EVALUATED KINETIC-DATA; THERMAL-DECOMPOSITION; PREBIOTIC SYNTHESIS; INFORMATIONAL POLYMERS; PROPELLANT COMBUSTION; CHEMICAL EVOLUTION}, language = {eng}, issn = {1089-5639}, journal = {Journal of Physical Chemistry A}, title = {High-Energy Chemistry of Formamide: A Simpler Way for Nucleobase Formation}, url = {http://pubs.acs.org/doi/ipdf/10.1021/jp411415p}, volume = {118}, year = {2014} }
TY - JOUR ID - 1185375 AU - Ferus, Martin - Michalčíková, Regina - Shestivská, Violetta - Šponer, Jiří - Šponerová, Judit - Civiš, Svatopluk PY - 2014 TI - High-Energy Chemistry of Formamide: A Simpler Way for Nucleobase Formation JF - Journal of Physical Chemistry A VL - 118 IS - 4 SP - 719-736 EP - 719-736 PB - American Chemical Society SN - 10895639 KW - HIGH-POWER LASER KW - TRANSFORM EMISSION-SPECTROSCOPY KW - INDUCED DIELECTRIC-BREAKDOWN KW - EARTHS EARLY ATMOSPHERE KW - EVALUATED KINETIC-DATA KW - THERMAL-DECOMPOSITION KW - PREBIOTIC SYNTHESIS KW - INFORMATIONAL POLYMERS KW - PROPELLANT COMBUSTION KW - CHEMICAL EVOLUTION UR - http://pubs.acs.org/doi/ipdf/10.1021/jp411415p L2 - http://pubs.acs.org/doi/ipdf/10.1021/jp411415p N2 - The formation of nucleobases from formamide during a high-energy density event, i.e., the impact of an extraterrestrial body into the planetary atmosphere, was studied by irradiation of formamide ice and liquid samples with a high-power laser in the presence of potential catalysts. FTIR spectroscopy, time-resolved emission spectroscopy, and GC-MS were subsequently used to monitor the dissociation of this molecule into stable molecular fragments (HCN, H2O, HNCO, H-2, CO, and NH3) and unstable species (HNC, center dot CN, and center dot NH). The kinetic and thermodynamic models of the high-energy density event molecular dynamics have been suggested together with the reaction routes leading from the dissociation products to the nucleobases. In addition, using theoretical calculations, we propose a simple new reaction pathway for the formation of both pyrimidine and purine nucleobases involving center dot CN radical chemistry ER -
FERUS, Martin, Regina MICHALČÍKOVÁ, Violetta SHESTIVSKÁ, Jiří ŠPONER, Judit ŠPONEROVÁ and Svatopluk CIVIŠ. High-Energy Chemistry of Formamide: A Simpler Way for Nucleobase Formation. \textit{Journal of Physical Chemistry A}. Washington DC: American Chemical Society, 2014, vol.~118, No~4, p.~719-736. ISSN~1089-5639. Available from: https://dx.doi.org/10.1021/jp411415p.
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