Fourier-transform microwave spectroscopy of the H2-H 2O complex

Kensuke Harada; Keiichi Tanaka; Hirofumi Kubota; Toshiaki Okabayashi

doi:10.1016/j.cplett.2014.04.059

Fourier-transform microwave spectroscopy of the H₂-H ₂O complex

Kensuke Harada, Keiichi Tanaka, Hirofumi Kubota, Toshiaki Okabayashi

Physical Chemistry

Research output: Contribution to journal › Article

5 Citations (Scopus)

Abstract

Fourier-transform microwave spectroscopy was applied to observe the J = 1-0 rotational transition of the ortho-H₂-H₂O complex and isotopologues in the ground Σ₀ state (H₂ in the j_H2 = 1 state and H₂O in the ground 0₀₀ state) to obtain precise molecular constants. Observed spectra were split into three hyperfine components, confirming the complexes are the ortho-H ₂/para-D₂ species. The determined nuclear spin-spin coupling constant indicates H₂ is rotating almost freely in the complex; the Σ₀ state is nearly of j_H2 = 1 and k_H2 = 0. For the ortho-H₂ species, the nuclear spin-rotation coupling constant was also determined.

Original language	English
Pages (from-to)	67-70
Number of pages	4
Journal	Chemical Physics Letters
Volume	605-606
DOIs	https://doi.org/10.1016/j.cplett.2014.04.059
Publication status	Published - Jun 17 2014

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All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)
Physical and Theoretical Chemistry

Cite this

Harada, K., Tanaka, K., Kubota, H., & Okabayashi, T. (2014). Fourier-transform microwave spectroscopy of the H₂-H ₂O complex. Chemical Physics Letters, 605-606, 67-70. https://doi.org/10.1016/j.cplett.2014.04.059

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abstract = "Fourier-transform microwave spectroscopy was applied to observe the J = 1-0 rotational transition of the ortho-H2-H2O complex and isotopologues in the ground Σ0 state (H2 in the jH2 = 1 state and H2O in the ground 000 state) to obtain precise molecular constants. Observed spectra were split into three hyperfine components, confirming the complexes are the ortho-H 2/para-D2 species. The determined nuclear spin-spin coupling constant indicates H2 is rotating almost freely in the complex; the Σ0 state is nearly of jH2 = 1 and kH2 = 0. For the ortho-H2 species, the nuclear spin-rotation coupling constant was also determined.",

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AB - Fourier-transform microwave spectroscopy was applied to observe the J = 1-0 rotational transition of the ortho-H2-H2O complex and isotopologues in the ground Σ0 state (H2 in the jH2 = 1 state and H2O in the ground 000 state) to obtain precise molecular constants. Observed spectra were split into three hyperfine components, confirming the complexes are the ortho-H 2/para-D2 species. The determined nuclear spin-spin coupling constant indicates H2 is rotating almost freely in the complex; the Σ0 state is nearly of jH2 = 1 and kH2 = 0. For the ortho-H2 species, the nuclear spin-rotation coupling constant was also determined.

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10.1016/j.cplett.2014.04.059