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Journal Articles Physical Chemistry Chemical Physics Year : 2016

Large amplitude motion of the acetylene molecule within acetylene–neon complexes hosted in helium droplets

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Abstract

Superfluid helium droplets provide an ideal environment for spectroscopic studies with rotational resolution. Nevertheless, the molecular rotation is hindered because the embedded molecules are surrounded by a non-superfluid component. The present work explores the dynamical role of this component in the hindered rotation of C2H2 within the C2H2–Ne complex. A HENDI experiment was built and near-infrared spectroscopy of C2H2–Ne and C2H2 was performed in the spectral region overlapping the ν3/ν2 + ν4 + ν5 Fermi-type resonance of C2H2. The comparison between measured and simulated spectra helped to address the above issue.
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cea-01426380 , version 1 (04-01-2017)

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M. Briant, E. Mengesha, P. De Pujo, M.-A. Gaveau, B. Soep, et al.. Large amplitude motion of the acetylene molecule within acetylene–neon complexes hosted in helium droplets . Physical Chemistry Chemical Physics, 2016, 18, pp.16414-16422. ⟨10.1039/C6CP02989B⟩. ⟨cea-01426380⟩
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