Accurate spectroscopic characterization of ethyl mercaptan and dimethyl sulfide isotopologues: A route toward their astrophysical detection

Using state-of-the-art computational methodologies, we predict a set of reliable rotational and torsional parameters for ethyl mercaptan and dimethyl sulfide monosubstituted isotopologues. This includes rotational, quartic, and sextic centrifugal-distortion constants, torsional levels, and torsional...

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Detalles Bibliográficos
Autores: Puzzarini, Cristina, Senent, María Luisa, Domínguez-Gómez, R., Carvajal, Miguel, Hochlaf, M., Al-Mogren, M.M.
Tipo de recurso: artículo
Fecha de publicación:2014
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/110058
Acceso en línea:http://hdl.handle.net/10261/110058
Access Level:acceso abierto
Palabra clave:Astrochemistry
Molecular data
ISM: abundances
ISM: molecules
Catalogues
Descripción
Sumario:Using state-of-the-art computational methodologies, we predict a set of reliable rotational and torsional parameters for ethyl mercaptan and dimethyl sulfide monosubstituted isotopologues. This includes rotational, quartic, and sextic centrifugal-distortion constants, torsional levels, and torsional splittings. The accuracy of the present data was assessed from a comparison to the available experimental data. Generally, our computed parameters should help in the characterization and the identification of these organo-sulfur molecules in laboratory settings and in the interstellar medium. © 2014. The American Astronomical Society. All rights reserved.