Molecular beam optical Stark spectroscopy of YF

Jeffrey Shirley; Chris Scurlock; Timothy Steimle; Benoit Simard; Michael Vasseur; P. A. Hackett

doi:10.1063/1.459244

Molecular beam optical Stark spectroscopy of YF

Jeffrey Shirley, Chris Scurlock, Timothy Steimle, Benoit Simard, Michael Vasseur, P. A. Hackett

Molecular Sciences, School of (SMS)

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Abstract

The molecular-beam-optical Stark spectrum of the B ¹Π(v = 0) - X ¹Σ⁺ (v = 0) band system of YF has been recorded and analyzed. The permanent electric dipole moment μ and the magnetic hyperfine parameter a for the B¹Π state were experimentally determined to be 2.96(4) D and 146.8(3) MHz and the experimentally determined value for μ(X ¹Σ⁺) is 1.82(8) D. The sign of the magnetic hyperfine parameter indicates that the major contribution to the B ¹Π state is from a⋯πδ configuration. The determined μ (X ²Σ⁺) value is compared with theoretical predictions and the ratio μ(X ¹Σ⁺)/ μ(B ¹Π) is rationalized in terms of plausible molecular orbital descriptions for the two electronic states.

Original language	English (US)
Pages (from-to)	8580-8585
Number of pages	6
Journal	The Journal of chemical physics
Volume	93
Issue number	12
DOIs	https://doi.org/10.1063/1.459244
State	Published - 1990

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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10.1063/1.459244

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title = "Molecular beam optical Stark spectroscopy of YF",

abstract = "The molecular-beam-optical Stark spectrum of the B 1Π(v = 0) - X 1Σ+ (v = 0) band system of YF has been recorded and analyzed. The permanent electric dipole moment μ and the magnetic hyperfine parameter a for the B1Π state were experimentally determined to be 2.96(4) D and 146.8(3) MHz and the experimentally determined value for μ(X 1Σ+) is 1.82(8) D. The sign of the magnetic hyperfine parameter indicates that the major contribution to the B 1Π state is from a⋯πδ configuration. The determined μ (X 2Σ+) value is compared with theoretical predictions and the ratio μ(X 1Σ+)/ μ(B 1Π) is rationalized in terms of plausible molecular orbital descriptions for the two electronic states.",

author = "Jeffrey Shirley and Chris Scurlock and Timothy Steimle and Benoit Simard and Michael Vasseur and Hackett, {P. A.}",

year = "1990",

doi = "10.1063/1.459244",

language = "English (US)",

volume = "93",

pages = "8580--8585",

journal = "Journal of Chemical Physics",

issn = "0021-9606",

publisher = "American Institute of Physics Publising LLC",

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TY - JOUR

T1 - Molecular beam optical Stark spectroscopy of YF

AU - Shirley, Jeffrey

AU - Scurlock, Chris

AU - Steimle, Timothy

AU - Simard, Benoit

AU - Vasseur, Michael

AU - Hackett, P. A.

PY - 1990

Y1 - 1990

N2 - The molecular-beam-optical Stark spectrum of the B 1Π(v = 0) - X 1Σ+ (v = 0) band system of YF has been recorded and analyzed. The permanent electric dipole moment μ and the magnetic hyperfine parameter a for the B1Π state were experimentally determined to be 2.96(4) D and 146.8(3) MHz and the experimentally determined value for μ(X 1Σ+) is 1.82(8) D. The sign of the magnetic hyperfine parameter indicates that the major contribution to the B 1Π state is from a⋯πδ configuration. The determined μ (X 2Σ+) value is compared with theoretical predictions and the ratio μ(X 1Σ+)/ μ(B 1Π) is rationalized in terms of plausible molecular orbital descriptions for the two electronic states.

AB - The molecular-beam-optical Stark spectrum of the B 1Π(v = 0) - X 1Σ+ (v = 0) band system of YF has been recorded and analyzed. The permanent electric dipole moment μ and the magnetic hyperfine parameter a for the B1Π state were experimentally determined to be 2.96(4) D and 146.8(3) MHz and the experimentally determined value for μ(X 1Σ+) is 1.82(8) D. The sign of the magnetic hyperfine parameter indicates that the major contribution to the B 1Π state is from a⋯πδ configuration. The determined μ (X 2Σ+) value is compared with theoretical predictions and the ratio μ(X 1Σ+)/ μ(B 1Π) is rationalized in terms of plausible molecular orbital descriptions for the two electronic states.

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JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

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Molecular beam optical Stark spectroscopy of YF

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