Laboratory Submillimeter-Wave Detection of D2H+: A New Probe into Multiple Deuteration?

Details Laboratory Submillimeter-Wave Detection of D2H+: A New Probe into Multiple Deuteration? Laboratory Submillimeter-Wave Detection of D2H+: A New Probe into Multiple Deuteration?

Nov 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apj...597l..85h&link_type=abstract

The Astrophysical Journal, Volume 597, Issue 1, pp. L85-L87.

Astronomy and Astrophysics

Astronomy

11

Astrochemistry, Ism: Clouds, Ism: Molecules, Methods: Laboratory, Molecular Data, Submillimeter

Scientific paper

A pure rotational transition (JKaKc=110-101) of D2H+ is measured in the laboratory with a high-sensitivity submillimeter-wave spectrometer. The D2H+ ions are generated in an extended negative glow discharge in a mixture of H2 and D2 with Ar as buffer gas (H2/D2/Ar=4/2/17 mTorr) near liquid nitrogen temperature (77 K). The transition frequency is determined to be 691.660440(19) GHz with 1 σ in parentheses. This accurately measured transition frequency should be of great use for astronomical identification of this ion.

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