Submillimeter spectroscopy of H2C17O and a revisit of the rotational spectra of H2C18O and H2C16O
Abstract
The rotational spectrum of the formaldehyde isotopologue H2C17O was investigated between 0.56 and 1.50 THz using a sample of natural isotopic composition. In addition, transition frequencies were determined for H2C18O and H2C16O between 1.37 and 1.50 THz. The data were combined with critically evaluated literature data to derive improved sets of spectroscopic parameters which include 17O or H nuclear hyperfine structure parameters.
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