Microwave spectroscopic investigation of the Ne–acetylene van der Waals dimer

Liu, Yaqian; Jäger, Wolfgang

doi:10.1039/b300636k

Cited by 15 publications

(8 citation statements)

References 36 publications

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“…There are also microwave [77], and molecular beam scattering, pressurebroadened cross section data [65]. We searched for the 2CH acetylenic excitation band in Ne-HCCH using FANTASIO(þ), optimizing a mixture of argon and neon as carrier gas.…”

Section: Neon and Heliummentioning

confidence: 99%

Experimental 2CH excitation in acetylene-containing van der Waals complexes

et al. 2012

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Section: Neon and Heliummentioning

confidence: 99%

Experimental 2CH excitation in acetylene-containing van der Waals complexes

et al. 2012

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“…35,36 The essential characteristics of the experiment are the following. At room temperature, 15 lines ranging between P͑2͒ and R͑26͒ have been studied in the 4 For the data reduction, we used the same procedure as in Ref. 16.…”

Section: B Line Profile Measurementsmentioning

confidence: 99%

“…1 and 2͒ and Ne-C 2 H 2 . 3,4 Specifically, the PESs of these weakly bound complexes show a very low anisotropy in the well region and the acetylene, in the complex, behaves as a free ͑He͒ or slightly hindered rotor ͑Ne͒. The measured near-infrared spectra of the complexes have been interpreted as spectra of the free acetylene molecule slightly perturbed by the rare gas atom.…”

Section: Introductionmentioning

confidence: 99%

“…[19][20][21][22][23] The anisotropy of the PES is stronger for the Ar case with respect to those shown by the lighter rare gas complexes, even if somewhat elusive. 19 Anyway, the rotational spectrum of Ar-C 2 H 2 is drastically different from that of Ne-C 2 H 2 ; 4 and despite the large amplitude internal motions of the system, it has been described with a semirigid rotor Hamiltonian. 6,10 Much less attention has been devoted to the heavier Kr and Xe complexes, for which only line shape and pressure broadening measurements have been published in the literature.…”

Section: Introductionmentioning

confidence: 99%

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Intermolecular interaction potentials for the Ar–C2H2, Kr–C2H2, and Xe–C2H2 weakly bound complexes: Information from molecular beam scattering, pressure broadening coefficients, and rovibrational spectroscopy

Cappelletti

Bartolomei

Carmona‐Novillo

et al. 2007

The Journal of Chemical Physics

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Integral cross sections and pressure broadening coefficients have been measured for the acetylene-krypton complex, by molecular beam scattering and by high resolution IR spectroscopy, respectively. A new potential energy surface ͑PES͒ is proposed to describe structure and dynamical properties of this prototypical weakly bound complex. The PES has been parametrized exploiting a novel atom-bond pairwise additive scheme and has been fitted to the experimental data. A similar PES has been obtained for the acetylene-xenon system by a proper scaling of the interaction parameters of the krypton case, based on empirical considerations. These PESs together with that recently proposed by the same authors ͓J. Phys. Chem. 109, 8471 ͑2005͔͒ for the acetylene-argon case have been employed for close coupling calculations of the pressure broadening cross sections and for a characterization of the rovibrational structure of the complexes.

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“…In the remainder of the paper, quantum number v will refer to v 3 of C 2 D 2 . Other rare gas-acetylene complexes whose spectra have been studied are those containing Ne, 6,7 Ar, [8][9][10][11][12][13][14][15][16][17] and Kr. 18,19 Very recently, pure rotational Raman-type transitions with ∆J = 2 have been measured in He-C 2 H 2 by observing rotational wave packets in the time domain following impulsive alignment by a femtosecond laser pulse.…”

Section: Introductionmentioning

confidence: 99%

The infrared spectrum of the He–C2D2 complex

Moazzen‐Ahmadi

McKellar

Fernández

et al. 2015

The Journal of Chemical Physics

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The Al + -H 2 cation complex: Rotationally resolved infrared spectrum, potential energy surface, and rovibrational calculations J. Chem. Phys. 127, 164310 (2007) Spectra of the helium-acetylene complex are elusive because this weakly bound system lies close to the free rotor limit. Previously, limited assignments of He-C 2 D 2 transitions in the R(0) region of the ν 3 fundamental band (≈2440 cm −1) were published. Here, new He-C 2 D 2 infrared spectra of this band are obtained using a tunable optical parametric oscillator laser source to probe a pulsed supersonic slit jet expansion from a cooled nozzle, and the analysis is extended to the weaker and more difficult P(1) and R(1) regions. A term value approach is used to obtain a consistent set of "experimental" energy levels. These are compared directly with calculations using two recently reported ab initio intermolecular potential energy surfaces, which exhibit small but significant differences. Rovibrational energies for the He-C 2 H 2 complex are also calculated using both surfaces. A Coriolis model, useful for predicting spectral intensities, is used to interpret the energy level patterns, and a comparison with the isoelectronic complex He-CO is made. C 2015 AIP Publishing LLC. [http://dx

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Microwave spectroscopic investigation of the Ne–acetylene van der Waals dimer

Cited by 15 publications

References 36 publications

Experimental 2CH excitation in acetylene-containing van der Waals complexes

Experimental 2CH excitation in acetylene-containing van der Waals complexes

Intermolecular interaction potentials for the Ar–C2H2, Kr–C2H2, and Xe–C2H2 weakly bound complexes: Information from molecular beam scattering, pressure broadening coefficients, and rovibrational spectroscopy

The infrared spectrum of the He–C2D2 complex

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