Rotational spectroscopy of LiCCH ( X̃ 1Σ ) in its ground and v5 vibrational states

A. J. Apponi; M. A. Brewster; L. M. Ziurys

doi:10.1016/S0009-2614(98)01206-8

Rotational spectroscopy of LiCCH ( X̃ ¹Σ ) in its ground and v₅ vibrational states

A. J. Apponi
, M. A. Brewster
, L. M. Ziurys

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

13 Scopus citations

Abstract

The pure rotational spectrum of LiCCH (X̃ ¹Σ) in its ground and v₅ vibrational states has been recorded using direct absorption, millimeter/sub-millimeter spectroscopy in the range of 105-538 GHz. For the main isotopomer, 21 transitions were measured for the ground state and 10 transitions each for the excited levels v₅=1, 2, and 3, where ℓ-type doubling was resolved. Several transitions were also recorded for ⁶LiCCH, Li¹³CCH, LiC¹³CH, and LiCCD. All were observed in their natural abundances except for LiCCD. Rotational, ℓ-type doubling and vibration-rotation constants were determined for LiCCH, as well as r_s and r_o structures.

Original language	English (US)
Pages (from-to)	161-169
Number of pages	9
Journal	Chemical Physics Letters
Volume	298
Issue number	1-3
DOIs	https://doi.org/10.1016/S0009-2614(98)01206-8
State	Published - Dec 11 1998

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/S0009-2614(98)01206-8

Cite this

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title = "Rotational spectroscopy of LiCCH ( {\~X} 1Σ ) in its ground and v5 vibrational states",

abstract = "The pure rotational spectrum of LiCCH ({\~X} 1Σ) in its ground and v5 vibrational states has been recorded using direct absorption, millimeter/sub-millimeter spectroscopy in the range of 105-538 GHz. For the main isotopomer, 21 transitions were measured for the ground state and 10 transitions each for the excited levels v5=1, 2, and 3, where ℓ-type doubling was resolved. Several transitions were also recorded for 6LiCCH, Li13CCH, LiC13CH, and LiCCD. All were observed in their natural abundances except for LiCCD. Rotational, ℓ-type doubling and vibration-rotation constants were determined for LiCCH, as well as rs and ro structures.",

author = "Apponi, \{A. J.\} and Brewster, \{M. A.\} and Ziurys, \{L. M.\}",

note = "Funding Information: This research is supported by NASA Grant NAG5-3785 and NSF Grant CHE95-31244.",

year = "1998",

month = dec,

day = "11",

doi = "10.1016/S0009-2614(98)01206-8",

language = "English (US)",

volume = "298",

pages = "161--169",

journal = "Chemical Physics Letters",

issn = "0009-2614",

publisher = "Elsevier B.V.",

number = "1-3",

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TY - JOUR

T1 - Rotational spectroscopy of LiCCH ( X̃ 1Σ ) in its ground and v5 vibrational states

AU - Apponi, A. J.

AU - Brewster, M. A.

AU - Ziurys, L. M.

N1 - Funding Information: This research is supported by NASA Grant NAG5-3785 and NSF Grant CHE95-31244.

PY - 1998/12/11

Y1 - 1998/12/11

N2 - The pure rotational spectrum of LiCCH (X̃ 1Σ) in its ground and v5 vibrational states has been recorded using direct absorption, millimeter/sub-millimeter spectroscopy in the range of 105-538 GHz. For the main isotopomer, 21 transitions were measured for the ground state and 10 transitions each for the excited levels v5=1, 2, and 3, where ℓ-type doubling was resolved. Several transitions were also recorded for 6LiCCH, Li13CCH, LiC13CH, and LiCCD. All were observed in their natural abundances except for LiCCD. Rotational, ℓ-type doubling and vibration-rotation constants were determined for LiCCH, as well as rs and ro structures.

AB - The pure rotational spectrum of LiCCH (X̃ 1Σ) in its ground and v5 vibrational states has been recorded using direct absorption, millimeter/sub-millimeter spectroscopy in the range of 105-538 GHz. For the main isotopomer, 21 transitions were measured for the ground state and 10 transitions each for the excited levels v5=1, 2, and 3, where ℓ-type doubling was resolved. Several transitions were also recorded for 6LiCCH, Li13CCH, LiC13CH, and LiCCD. All were observed in their natural abundances except for LiCCD. Rotational, ℓ-type doubling and vibration-rotation constants were determined for LiCCH, as well as rs and ro structures.

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U2 - 10.1016/S0009-2614(98)01206-8

DO - 10.1016/S0009-2614(98)01206-8

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VL - 298

SP - 161

EP - 169

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 1-3

ER -

Rotational spectroscopy of LiCCH ( X̃ ¹Σ ) in its ground and v₅ vibrational states

Abstract

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