{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Gupta D"],"funding":["European Research Council"],"pagination":["952-958"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12010422"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["9(4)"],"pubmed_abstract":["The rotationally resolved spectrum of the degenerate ν<sub>4</sub> antisymmetric C-H stretching band of the cyclopropenyl cation, c-C<sub>3</sub>H<sub>3</sub> <sup>+</sup>, the smallest aromatic hydrocarbon cation, has been recorded employing leak-out-spectroscopy (LOS) in a cryogenic 22-pole ion trap instrument operated at <i>T</i> = 42 K. About 370 lines were measured in the region 3110-3150 cm<sup>-1</sup> and assigned to rovibrational transitions of the fundamental antisymmetric C-H stretching band. Spectroscopic parameters have been refined compared to the previous experimental work from the group of Harold Linnartz [Zhao et al., <i>Astrophys. J. Lett.</i> 2014, 791, L28] and previous high-level theoretical predictions [Huang et al., <i>J. Phys. Chem. A</i> 2011, 115, 5005-5016]. Deta"],"journal":["ACS earth & space chemistry"],"pubmed_title":["Rotationally Resolved Spectrum of the Degenerate Antisymmetric C-H Stretching Band of c-C&lt;sub&gt;3&lt;/sub&gt;H&lt;sub&gt;3&lt;/sub&gt;<sup/>."],"pmcid":["PMC12010422"],"funding_grant_id":["101020583"],"pubmed_authors":["Schmid PC","Gupta D","Asvany O","Schlemmer S","Salomon T"],"additional_accession":[]},"is_claimable":false,"name":"Rotationally Resolved Spectrum of the Degenerate Antisymmetric C-H Stretching Band of c-C&lt;sub&gt;3&lt;/sub&gt;H&lt;sub&gt;3&lt;/sub&gt;<sup/>.","description":"The rotationally resolved spectrum of the degenerate ν<sub>4</sub> antisymmetric C-H stretching band of the cyclopropenyl cation, c-C<sub>3</sub>H<sub>3</sub> <sup>+</sup>, the smallest aromatic hydrocarbon cation, has been recorded employing leak-out-spectroscopy (LOS) in a cryogenic 22-pole ion trap instrument operated at <i>T</i> = 42 K. About 370 lines were measured in the region 3110-3150 cm<sup>-1</sup> and assigned to rovibrational transitions of the fundamental antisymmetric C-H stretching band. Spectroscopic parameters have been refined compared to the previous experimental work from the group of Harold Linnartz [Zhao et al., <i>Astrophys. J. Lett.</i> 2014, 791, L28] and previous high-level theoretical predictions [Huang et al., <i>J. Phys. Chem. A</i> 2011, 115, 5005-5016]. Deta","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Apr","modification":"2025-07-07T03:10:02.295Z","creation":"2025-07-07T03:10:02.295Z"},"accession":"S-EPMC12010422","cross_references":{"pubmed":["40264813"],"doi":["10.1021/acsearthspacechem.5c00032"]}}