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@ARTICLE{Arenas:458206,
      author       = {Arenas, Benjamin and Fatima, Mariyam and Pérez, Cristóbal
                      and Fischer, Sophie and Steber, Amanda L. and Schnell,
                      Melanie},
      title        = {{F}acilitating {I}nterstellar {S}earches for {S}imple
                      {A}mino {A}lcohols with {A}ccurate {R}est {F}requencies into
                      the {M}illimeter-wave {R}egime: {A}laninol, {V}alinol, and
                      {L}eucinol},
      journal      = {The astrophysical journal / 2},
      volume       = {912},
      number       = {2},
      issn         = {0004-637X},
      address      = {Chicago, Ill. [u.a.]},
      publisher    = {Univ.},
      reportid     = {PUBDB-2021-02190},
      pages        = {90},
      year         = {2021},
      abstract     = {The detection of larger complex organic molecules, such as
                      molecules consisting of several functional groups or those
                      which show conformational flexibility, in the interstellar
                      medium could lead to insights into the availability of
                      biomolecules in space. We present the rotational
                      spectroscopic study of three amino alcohols: alaninol,
                      valinol, and leucinol. The spectra were recorded over the
                      2–110 GHz region, which included the utilization of a
                      newly developed instrument operating between 18–26 GHz. We
                      report accurately determined line lists, rotational
                      constants, centrifugal distortion constants, and nuclear
                      quadrupole coupling constants for two conformers of
                      alaninol, four conformers of valinol, and three conformers
                      of leucinol, as well as for several singly substituted
                      heavy-atom isotopologues, which also provide structural
                      insights. Further, a number of spectra of vibrationally
                      excited states were assigned, and the associated motions
                      were revealed with anharmonic frequency calculations.
                      Accurate predictions of rotational transitions into the
                      millimeter-wave regime for all species were made,
                      facilitating searches for these complex molecules by
                      observational facilities such as ALMA. Their detection would
                      establish a new family of interstellar molecules.},
      cin          = {FS-SMP / CFEL-SDCCM},
      ddc          = {520},
      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:000648828300001},
      doi          = {10.3847/1538-4357/abe94c},
      url          = {https://bib-pubdb1.desy.de/record/458206},
}