Non covalent interactions and internal dynamics in dimethoxymethane-water (Articolo in rivista)

Type
Label
  • Non covalent interactions and internal dynamics in dimethoxymethane-water (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/chem.200700076 (literal)
Alternative label
  • L.B. Favero; B.M. Giuliano; S. Meandri; A. Maris; W. Caminati (2007)
    Non covalent interactions and internal dynamics in dimethoxymethane-water
    in Chemistry (Weinh., Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • L.B. Favero; B.M. Giuliano; S. Meandri; A. Maris; W. Caminati (literal)
Pagina inizio
  • 5833 (literal)
Pagina fine
  • 5837 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 13 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 20 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche - Istituto per lo Studio dei Materiali Nanostrutturati (CNR-ISMN) via P. Gobetti 101, 40129 Bologna, Italy; Dipartimento di Chimica \"G. Ciamician\" dell' Università, Via Selmi 2, 40126 Bologna (Italy); Dipartimento di Chimica \"G. Ciamician\" dell' Università, Via Selmi 2, 40126 Bologna (Italy); Dipartimento di Chimica \"G. Ciamician\" dell' Università, Via Selmi 2, 40126 Bologna (Italy) Dipartimento di Chimica \"G. Ciamician\" dell' Università, Via Selmi 2, 40126 Bologna (Italy) (literal)
Titolo
  • Non covalent interactions and internal dynamics in dimethoxymethane-water (literal)
Abstract
  • The millimeter-wave absorption and Fourier transform microwave spectra of five isotopologues of the 1:1 adduct of dimethoxymethane-water have been measured in supersonic expansions. Each rotational transition appears as a quintuplet, due to the internal rotation of the two methyl groups, which are nonequivalent in the adduct. The water moiety, linked asymmetrically to dimethoxymethane, behaves as a proton donor to one of its oxygen atoms and interferes with the internal rotation of the farther methyl group through a C-H center dot center dot center dot O interaction. From the analysis of the observed splittings, the V-3 barriers to the internal rotation of the two methyl groups have been determined to be 6.83(8) and 6.19(8) kJ mol(-1). The hydrogen bond structural parameters have been determined, the O-H center dot center dot center dot O and C-H center dot center dot center dot O distances being 1.93(1) and 2.78(4) angstrom, respectively. (literal)
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