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The millimeter-wave spectrum of perdeuterated methanol, CD3OD |
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| Authors: | L-H Xu FFS van der Tak S Thorwirth |
| Institution: | a Department of Physical Sciences, University of New Brunswick, Saint John, NB, Canada E2L 4L5 b I. Physikalisches Institut, Universität zu Köln, Zülpicher Str. 77, 50937 Cologne, Germany c Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany d Department of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA 02138, USA e Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA |
| Abstract: | In order to provide accurate rest frequencies for astronomical searches, the spectrum of perdeuterated methanol, CD3OD, has been measured in the frequency range 62-233 GHz. A total of 379 lines was measured from rotational states up to J=20 and K=10 within the ground and first excited torsional states (vt=0 and 1). Using a one-dimensional torsion-rotation Hamiltonian, the lines were fitted to measurement accuracy (<30 kHz). |
| Keywords: | Methanol CD3OD Millimeter-wave spectroscopy Rotational spectroscopy Hamiltonian Internal rotation Interstellar molecules Deuteration |
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