Beam maser spectroscopy on CD3CN

Alice M. Murray; Stephen G. Kukolich

doi:10.1063/1.445180

Beam maser spectroscopy on CD₃CN

Alice M. Murray, Stephen G. Kukolich

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

The J=1→0 rotational transitions of CD₃CN were measured using a two-cavity molecular beam maser spectrometer. This spectrometer employs the Ramsey method of separated oscillating fields to obtain very high resolutions and allows precise measurements of the hyperfine structure splittings. The nitrogen quadrupole coupling constant is eq_aa(N)=- 4229.2±0.6 kHz and the deuterium quadrupole constant is eq ^aaQ(D)=-55.1±0.4 kHz. Assuming cylinderical symmetry about the C-D bond axis we obtain the C-D bond-axis deuterium quadrupole coupling strength of eq_zzQ(O)=169.6±4.5 kHz. The A-axis rotational constant, and nitrogen and deuterium spin-rotation interaction strengths are also reported.

Original language	English (US)
Pages (from-to)	3557-3559
Number of pages	3
Journal	The Journal of chemical physics
Volume	78
Issue number	6
DOIs	https://doi.org/10.1063/1.445180
State	Published - 1983

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1063/1.445180

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title = "Beam maser spectroscopy on CD3CN",

abstract = "The J=1→0 rotational transitions of CD3CN were measured using a two-cavity molecular beam maser spectrometer. This spectrometer employs the Ramsey method of separated oscillating fields to obtain very high resolutions and allows precise measurements of the hyperfine structure splittings. The nitrogen quadrupole coupling constant is eqaa(N)=- 4229.2±0.6 kHz and the deuterium quadrupole constant is eq aaQ(D)=-55.1±0.4 kHz. Assuming cylinderical symmetry about the C-D bond axis we obtain the C-D bond-axis deuterium quadrupole coupling strength of eqzzQ(O)=169.6±4.5 kHz. The A-axis rotational constant, and nitrogen and deuterium spin-rotation interaction strengths are also reported.",

author = "Murray, {Alice M.} and Kukolich, {Stephen G.}",

year = "1983",

doi = "10.1063/1.445180",

language = "English (US)",

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journal = "Journal of Chemical Physics",

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T1 - Beam maser spectroscopy on CD3CN

AU - Murray, Alice M.

AU - Kukolich, Stephen G.

PY - 1983

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N2 - The J=1→0 rotational transitions of CD3CN were measured using a two-cavity molecular beam maser spectrometer. This spectrometer employs the Ramsey method of separated oscillating fields to obtain very high resolutions and allows precise measurements of the hyperfine structure splittings. The nitrogen quadrupole coupling constant is eqaa(N)=- 4229.2±0.6 kHz and the deuterium quadrupole constant is eq aaQ(D)=-55.1±0.4 kHz. Assuming cylinderical symmetry about the C-D bond axis we obtain the C-D bond-axis deuterium quadrupole coupling strength of eqzzQ(O)=169.6±4.5 kHz. The A-axis rotational constant, and nitrogen and deuterium spin-rotation interaction strengths are also reported.

AB - The J=1→0 rotational transitions of CD3CN were measured using a two-cavity molecular beam maser spectrometer. This spectrometer employs the Ramsey method of separated oscillating fields to obtain very high resolutions and allows precise measurements of the hyperfine structure splittings. The nitrogen quadrupole coupling constant is eqaa(N)=- 4229.2±0.6 kHz and the deuterium quadrupole constant is eq aaQ(D)=-55.1±0.4 kHz. Assuming cylinderical symmetry about the C-D bond axis we obtain the C-D bond-axis deuterium quadrupole coupling strength of eqzzQ(O)=169.6±4.5 kHz. The A-axis rotational constant, and nitrogen and deuterium spin-rotation interaction strengths are also reported.

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Beam maser spectroscopy on CD₃CN

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