Description
We report new laboratory spectroscopic data on the nucleic acid uracil. The dataset has been extended both into the microwave and towards mm-wavelengths with the aim to provide accurate transition rest frequencies for astrophysical searches. The complete experimental linelist used for the analysis of the data is compiled in Table 2. Lines marked with an asterisk are taken from Brown et al. (1988, J. Mol. Struct. 190, 185 and J. Am. Chem. Soc. 110, 2329), all other lines have been measured in this work.
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