Hyperfine Structure in the (0,0,0) X̃2∑+ State of CaOH Observed by Pump/Probe Microwave-Optical Double Resonance

C. T. Scurlock; D. A. Fletcher; Timothy Steimle

doi:10.1006/jmsp.1993.1133

Hyperfine Structure in the (0,0,0) X̃²∑⁺ State of CaOH Observed by Pump/Probe Microwave-Optical Double Resonance

C. T. Scurlock, D. A. Fletcher, Timothy Steimle

Molecular Sciences, School of (SMS)

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

28 Scopus citations

Abstract

A pump/probe microwave-optical double resonance experiment has been performed on calcium monohydroxide, CaOH, using the technique of laser ablation/supersonic expansion for production of the compound. Frequencies associated with the three lowest pure rotational transitions in the (0,0,0) X̃²Σ⁺ vibronic state were observed with a resolution of &80 kHz (FWHM) and were analyzed to give the spectroscopic parameters (in MHz): B = 10023.0841(7), D = 0.01154(5), γ = 34.7593(10), b_F(H) = 2.602(3), c(H) = 2.053(10). The proton hyperfine interactions were interpreted in terms of a molecular orbital description for the X̃²Σ⁺ state.

Original language	English (US)
Pages (from-to)	350-356
Number of pages	7
Journal	Journal of molecular spectroscopy
Volume	159
Issue number	2
DOIs	https://doi.org/10.1006/jmsp.1993.1133
State	Published - Jun 1993

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry

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title = "Hyperfine Structure in the (0,0,0) {\~X}2∑+ State of CaOH Observed by Pump/Probe Microwave-Optical Double Resonance",

abstract = "A pump/probe microwave-optical double resonance experiment has been performed on calcium monohydroxide, CaOH, using the technique of laser ablation/supersonic expansion for production of the compound. Frequencies associated with the three lowest pure rotational transitions in the (0,0,0) {\~X}2Σ+ vibronic state were observed with a resolution of &80 kHz (FWHM) and were analyzed to give the spectroscopic parameters (in MHz): B = 10023.0841(7), D = 0.01154(5), γ = 34.7593(10), bF(H) = 2.602(3), c(H) = 2.053(10). The proton hyperfine interactions were interpreted in terms of a molecular orbital description for the {\~X}2Σ+ state.",

author = "Scurlock, {C. T.} and Fletcher, {D. A.} and Timothy Steimle",

year = "1993",

month = jun,

doi = "10.1006/jmsp.1993.1133",

language = "English (US)",

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journal = "Journal of molecular spectroscopy",

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T1 - Hyperfine Structure in the (0,0,0) X̃2∑+ State of CaOH Observed by Pump/Probe Microwave-Optical Double Resonance

AU - Scurlock, C. T.

AU - Fletcher, D. A.

AU - Steimle, Timothy

PY - 1993/6

Y1 - 1993/6

N2 - A pump/probe microwave-optical double resonance experiment has been performed on calcium monohydroxide, CaOH, using the technique of laser ablation/supersonic expansion for production of the compound. Frequencies associated with the three lowest pure rotational transitions in the (0,0,0) X̃2Σ+ vibronic state were observed with a resolution of &80 kHz (FWHM) and were analyzed to give the spectroscopic parameters (in MHz): B = 10023.0841(7), D = 0.01154(5), γ = 34.7593(10), bF(H) = 2.602(3), c(H) = 2.053(10). The proton hyperfine interactions were interpreted in terms of a molecular orbital description for the X̃2Σ+ state.

AB - A pump/probe microwave-optical double resonance experiment has been performed on calcium monohydroxide, CaOH, using the technique of laser ablation/supersonic expansion for production of the compound. Frequencies associated with the three lowest pure rotational transitions in the (0,0,0) X̃2Σ+ vibronic state were observed with a resolution of &80 kHz (FWHM) and were analyzed to give the spectroscopic parameters (in MHz): B = 10023.0841(7), D = 0.01154(5), γ = 34.7593(10), bF(H) = 2.602(3), c(H) = 2.053(10). The proton hyperfine interactions were interpreted in terms of a molecular orbital description for the X̃2Σ+ state.

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Hyperfine Structure in the (0,0,0) X̃²∑⁺ State of CaOH Observed by Pump/Probe Microwave-Optical Double Resonance

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