Molecular-Beam Microwave Spectra of HNCO and DNCO

S. G. Kukolich; A. C. Nelson; B. S. Yamanashi

doi:10.1021/ja00754a010

Molecular-Beam Microwave Spectra of HNCO and DNCO

S. G. Kukolich, A. C. Nelson, B. S. Yamanashi

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23 Scopus citations

Abstract

Deuteron quadrupole coupling in DNCO was obtained from splittings of the 1₀₁ rotational state. The measured quadrupole coupling strength for the 1₀₁ rotational state is eqQ(1₀₁) = 53.6 ± 0.2 kHz, which leads to a value along the D-N bond eqQ_DN = 345 ± 2 kHz. Hyperfine splittings were observed using a molecular-beam maser spectrometer with 6-kHz resolution. The nitrogen quadrupole coupling strengths were eqQ(1₀₁) = 2123.0 ± 1.0 kHz for DNCO and eqQ(1₀₁) = 2052.7 ± 1.0 kHz for HNCO. High-precision values for the line-center frequencies and spin-rotation constants are also reported.

Original language	English (US)
Pages (from-to)	6769-6771
Number of pages	3
Journal	Journal of the American Chemical Society
Volume	93
Issue number	25
DOIs	https://doi.org/10.1021/ja00754a010
State	Published - Dec 1 1971
Externally published	Yes

ASJC Scopus subject areas

Catalysis
General Chemistry
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja00754a010

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title = "Molecular-Beam Microwave Spectra of HNCO and DNCO",

abstract = "Deuteron quadrupole coupling in DNCO was obtained from splittings of the 101 rotational state. The measured quadrupole coupling strength for the 101 rotational state is eqQ(101) = 53.6 ± 0.2 kHz, which leads to a value along the D-N bond eqQDN = 345 ± 2 kHz. Hyperfine splittings were observed using a molecular-beam maser spectrometer with 6-kHz resolution. The nitrogen quadrupole coupling strengths were eqQ(101) = 2123.0 ± 1.0 kHz for DNCO and eqQ(101) = 2052.7 ± 1.0 kHz for HNCO. High-precision values for the line-center frequencies and spin-rotation constants are also reported.",

author = "Kukolich, \{S. G.\} and Nelson, \{A. C.\} and Yamanashi, \{B. S.\}",

year = "1971",

month = dec,

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doi = "10.1021/ja00754a010",

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journal = "Journal of the American Chemical Society",

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TY - JOUR

T1 - Molecular-Beam Microwave Spectra of HNCO and DNCO

AU - Kukolich, S. G.

AU - Nelson, A. C.

AU - Yamanashi, B. S.

PY - 1971/12/1

Y1 - 1971/12/1

N2 - Deuteron quadrupole coupling in DNCO was obtained from splittings of the 101 rotational state. The measured quadrupole coupling strength for the 101 rotational state is eqQ(101) = 53.6 ± 0.2 kHz, which leads to a value along the D-N bond eqQDN = 345 ± 2 kHz. Hyperfine splittings were observed using a molecular-beam maser spectrometer with 6-kHz resolution. The nitrogen quadrupole coupling strengths were eqQ(101) = 2123.0 ± 1.0 kHz for DNCO and eqQ(101) = 2052.7 ± 1.0 kHz for HNCO. High-precision values for the line-center frequencies and spin-rotation constants are also reported.

AB - Deuteron quadrupole coupling in DNCO was obtained from splittings of the 101 rotational state. The measured quadrupole coupling strength for the 101 rotational state is eqQ(101) = 53.6 ± 0.2 kHz, which leads to a value along the D-N bond eqQDN = 345 ± 2 kHz. Hyperfine splittings were observed using a molecular-beam maser spectrometer with 6-kHz resolution. The nitrogen quadrupole coupling strengths were eqQ(101) = 2123.0 ± 1.0 kHz for DNCO and eqQ(101) = 2052.7 ± 1.0 kHz for HNCO. High-precision values for the line-center frequencies and spin-rotation constants are also reported.

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JF - Journal of the American Chemical Society

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ER -

Molecular-Beam Microwave Spectra of HNCO and DNCO

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