http://www.cnr.it/ontology/cnr/individuo/prodotto/ID196834
Molecular-beam study of the ammonia-noble gas systems: Characterization of the isotropic interaction and insights into the nature of the intermolecular potential (Articolo in rivista)
- Type
- Label
- Molecular-beam study of the ammonia-noble gas systems: Characterization of the isotropic interaction and insights into the nature of the intermolecular potential (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1063/1.3660199 (literal)
- Alternative label
Pirani, F.; Roncaratti, L.F.; Belpassi, L.; Tarantelli, F.; Cappelletti, D. (2011)
Molecular-beam study of the ammonia-noble gas systems: Characterization of the isotropic interaction and insights into the nature of the intermolecular potential
in The Journal of chemical physics
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Pirani, F.; Roncaratti, L.F.; Belpassi, L.; Tarantelli, F.; Cappelletti, D. (literal)
- Pagina inizio
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- Rivista
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Dipartimento Ingn Civile & Ambientale, Universita' di Perugia
Dipartimento di Chimica, Universita' di Perugia
ISTM-CNR, Sezione di Perugia
Inst Fis, Univ Brasilia,BR-04455 Brasilia, DF, Brazil (literal)
- Titolo
- Molecular-beam study of the ammonia-noble gas systems: Characterization of the isotropic interaction and insights into the nature of the intermolecular potential (literal)
- Abstract
- We report new high resolution molecular beam experiments aimed at characterizing the intermolecular interaction in the NH3-Ng (Ng = He, Ne, Ar, Kr, Xe) weakly bound complexes. Integral cross section data are obtained over a sufficiently wide velocity range and with rotationally hot NH3 molecules to produce (except for the NH3-He case) a well resolved \"glory\" quantum interference pattern. Data analysis, carried out by employing a recently proposed potential model, allows unique information on the absolute scale of the intermolecular interaction to be obtained both at long range and at the equilibrium distance. An extensive and internally consistent comparison with the behavior of the corresponding Kr-Ng systems is exploited in order to identify those cases where an interaction component due to charge transfer effects provides an appreciable intermolecular bond stabilization that is clearly distinct from and must be added to the standard van der Waals plus induction picture. The results of the present investigation extend the phenomenology of perturbative charge transfer effects in gas phase complexes involving hydrogenated molecules. (literal)
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