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Issue 8, 2003
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High accuracy measurements on the ground state rotational spectrum of formaldehyde (H2CO) up to 2 THz

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Abstract

In making use of the Cologne Sideband spectrometer for Terahertz Applications (COSSTA), the pure rotational spectrum of H2CO in its ground vibrational state has been investigated in the frequency range from 1.76 to 2.01 THz with an absolute frequency accuracy ranging from 20 to 50 kHz for strong, isolated lines. Additionally, the rotational spectrum has been reinvestigated in the 0.830 to 0.957 THz region with the Cologne Terahertz spectrometer. The accurate new line frequencies were subjected to a combined fit with previously published data employing standard A- and S-reduced Watson-type Hamiltonians.

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Publication details

The article was received on 12 Feb 2003, accepted on 04 Mar 2003 and first published on 18 Mar 2003


Article type: Paper
DOI: 10.1039/B301657A
Citation: Phys. Chem. Chem. Phys., 2003,5, 1515-1518
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    High accuracy measurements on the ground state rotational spectrum of formaldehyde (H2CO) up to 2 THz

    S. Brünken, H. S. P. Müller, F. Lewen and G. Winnewisser, Phys. Chem. Chem. Phys., 2003, 5, 1515
    DOI: 10.1039/B301657A

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