A rotational study of the AlaAla dipeptide

Herein, we present the first rotational study of the AlaAla dipeptide, brought into the gas phase by laser ablation. Two different structures have been unveiled in the isolated environment of a supersonic expansion by Fourier transform microwave spectroscopy. These structures have been identified th...

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Bibliographic Details
Published in:Physical chemistry chemical physics : PCCP 2020-07, Vol.22 (25), p.13867-13871
Main Authors: León, I, Alonso, E. R, Mata, S, Alonso, J. L
Format: Article
Language:English
Subjects:
Fourier transforms
Laser ablation
Quadrupole interaction
Quadrupoles
Rotational spectra
Vapor phases
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Summary:Herein, we present the first rotational study of the AlaAla dipeptide, brought into the gas phase by laser ablation. Two different structures have been unveiled in the isolated environment of a supersonic expansion by Fourier transform microwave spectroscopy. These structures have been identified through their rotational and 14 N quadrupole coupling constants. The flexibility of the -NH 2 and -COOH ends allows the formation of strong intramolecular interactions giving rise to five- and seven-membered ring configurations. Herein, we present the first rotational study of the AlaAla dipeptide, brought into the gas phase by laser ablation.
ISSN:1463-9076
1463-9084
DOI:10.1039/d0cp01043j