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 Title: A study of the formamide-(H2O)3 complex by microwave spectroscopy Author(s): Blanco, Susana Contributor(s): Lopez, Juan Carlos; Pinacho, Pablo Subject(s): Clusters/Complexes Abstract: The adduct formamide-(H$_2$0)$_3$ has been detected in a supersonic expansion and its rotational spectrum characterized in the 5-13 GHz frequency region by narrow-band molecular beam Fourier transform microwave spectroscopy (MB-FTMW). The spectrum shows the hyperfine structure due to the presence of one $^{14}$N-nuclei and small splittings due to a tunnelling motion of the complex. The spectra has been analyzed using a two-state Hamiltonian including Coriolis coupling terms to determine the vibrational spacing. The determined quadrupole coupling constants together with the rotational constants have been a key for the identification of the adduct structure on the light of ab initio computations. The rotational parameters are consistent with the formation of a four body cycle thanks to the double proton acceptor/proton donor character of both formamide and water. The rotational data are consistent with a non-planar heavy atom skeleton. Issue Date: 2016-06-23 Publisher: International Symposium on Molecular Spectroscopy Genre: Conference Paper/Presentation Type: Text Language: En URI: http://hdl.handle.net/2142/91250 Rights Information: Copyright 2016 by the authors Date Available in IDEALS: 2017-01-26
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