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@ARTICLE{Stahl:457327,
      author       = {Stahl, Pascal and Arenas, Benjamin E. and Zingsheim, Oliver
                      and Schnell, Melanie and Margulès, Laurent and Motiyenko,
                      Roman A. and Fuchs, Guido W. and Giesen, Thomas F.},
      title        = {{D}eciphering the rotational spectrum of the first excited
                      torsional state of propylene oxide},
      journal      = {Journal of molecular spectroscopy},
      volume       = {378},
      issn         = {0022-2852},
      address      = {Orlando, Fla.},
      publisher    = {Academic Press},
      reportid     = {PUBDB-2021-01986},
      pages        = {111445},
      year         = {2021},
      abstract     = {The first excited torsional state of the chiral molecule
                      propylene oxide, $CH_3C_2H_3O$, is investigated from
                      millimeter up to sub-millimeter wavelengths (75–950 GHz).
                      The first excited vibrational mode of propylene oxide,
                      $\nu_{24}$, is analysed using the programs ERHAM and XIAM.
                      Rotational constants and tunneling parameters are provided,
                      and a description of the A-E splittings due to internal
                      rotation is given. Furthermore, the potential barrier height
                      to internal rotation, $V_3$, is determined to be $V_3$ 0
                      898.6611 (894) cm $^{-1}$. Our results are compared with
                      quantum chemical calculations and literature values. We
                      present a line list of the dense spectrum of the first
                      excited torsional state of propylene oxide in the (sub-)
                      millimeter range. Our results will be useful for further
                      studies of chiral molecules in vibrationally excited states
                      and will enable astronomers to search for rotational
                      transitions originating from $\nu_{24}$ of propylene oxide
                      in interstellar space.},
      cin          = {FS-SMP / CFEL-SDCCM},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-SMP-20171124 /
                      I:(DE-H253)CFEL-SDCCM-20160915},
      pnm          = {631 - Matter – Dynamics, Mechanisms and Control
                      (POF4-631) / ASTROROT - Unraveling interstellar chemistry
                      with broadband microwave spectroscopy and next-generation
                      telescope arrays (638027)},
      pid          = {G:(DE-HGF)POF4-631 / G:(EU-Grant)638027},
      experiment   = {EXP:(DE-MLZ)NOSPEC-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000660002400008},
      doi          = {10.1016/j.jms.2021.111445},
      url          = {https://bib-pubdb1.desy.de/record/457327},
}