| Article ID | Journal | Published Year | Pages | File Type | 
|---|---|---|---|---|
| 5415181 | Journal of Molecular Spectroscopy | 2011 | 5 Pages | 
Abstract
												⺠We report the assignment of the rotational spectrum of 2-butynoic acid. ⺠The internal rotation of the methyl group is almost free: V3 = 1.0090(4) cmâ1. ⺠Ab initio calculations agree with the experimental results.
											Keywords
												
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													Physical Sciences and Engineering
													Chemistry
													Physical and Theoretical Chemistry
												
											Authors
												Vadim Ilyushin, Roberto Rizzato, Luca Evangelisti, Gang Feng, Assimo Maris, Sonia Melandri, Walther Caminati, 
											