The rotational spectrum of 1,4-anhydrothreitol (a C4 anhydrosugar) has been assigned by free jet millimeter wave spectroscopy. The structure, characterized by a distorted ring and one O-H∙∙∙O hydrogen bond involving an alcoholic group and the ring oxygen, corresponds to the B3LYP/6-31G** predicted global conformational minimum. Since C2 sugars have already been observed, and C3 sugars have been extensively searched in the interstellar medium, (with controversial results) we propose 1,4-anhydrothreitol to be of interest for astrochemical observation.
B.M.Giuliano, S.Blanco, S.Melandri, W.Caminati (2008). The rotational spectrum of a C4 anhydrosugar, 1,4-anhydrothreitol. CHEMICAL PHYSICS LETTERS, 467, 74-76 [10.1016/j.cplett.2008.11.032].
The rotational spectrum of a C4 anhydrosugar, 1,4-anhydrothreitol
GIULIANO, BARBARA MICHELA;MELANDRI, SONIA;CAMINATI, WALTHER
2008
Abstract
The rotational spectrum of 1,4-anhydrothreitol (a C4 anhydrosugar) has been assigned by free jet millimeter wave spectroscopy. The structure, characterized by a distorted ring and one O-H∙∙∙O hydrogen bond involving an alcoholic group and the ring oxygen, corresponds to the B3LYP/6-31G** predicted global conformational minimum. Since C2 sugars have already been observed, and C3 sugars have been extensively searched in the interstellar medium, (with controversial results) we propose 1,4-anhydrothreitol to be of interest for astrochemical observation.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
