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Large amplitude motion within acetylene–rare gas complexes hosted in helium droplets

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Abstract

Near-infrared spectroscopy of the C2H2–Ar, Kr complexes was performed in the spectral region overlapping the ν3/ν2 + ν4 + ν5 Fermi-type resonance of C2H2. The experiment was conducted along the HElium NanoDroplet Isolation (HENDI) technique in order to study the coupling dynamics between a floppy molecular system (C2H2–Ar and C2H2–Kr) and a mesoscopic quantum liquid (the droplet). Calculations were performed using a spectral element based close-coupling program and state-of-the-art 2-dimensional potential energy surfaces to determine the bound states of the C2H2–Ar and C2H2–Kr complexes and simulate the observed spectra. This furnished a quantitative basis to unravel how the superfluid and non-superfluid components of the droplet affect the rotation and the deformation dynamics of the hosted complex.

Graphical abstract: Large amplitude motion within acetylene–rare gas complexes hosted in helium droplets

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Publication details

The article was received on 20 Jul 2018, accepted on 27 Sep 2018 and first published on 27 Sep 2018


Article type: Paper
DOI: 10.1039/C8CP04609C
Citation: Phys. Chem. Chem. Phys., 2019, Advance Article
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    Large amplitude motion within acetylene–rare gas complexes hosted in helium droplets

    M. Briant, A. Viel, E. Mengesha, M. Gaveau, B. Soep, J. Mestdagh, P. Jamet, J. Launay and L. Poisson, Phys. Chem. Chem. Phys., 2019, Advance Article , DOI: 10.1039/C8CP04609C

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