RT info:eu-repo/semantics/article T1 A rotational study of the AlaAla dipeptide A1 León, Iker A1 Alonso, Elena R. A1 Mata, Santiago A1 Alonso, José L. K1 Biomolecules K1 Rotational spectroscopy K1 Molecular Interactions K1 23 Química K1 22 Física K1 2210 Química Física K1 2206.07 Espectroscopia Molecular AB 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 14N quadrupole coupling constants. The flexibility of the –NH2 and –COOH ends allows the formation of strong intramolecular interactions giving rise to five- and seven-membered ring configurations. PB Royal Society of Chemistry SN 1463-9076 YR 2020 FD 2020 LK https://uvadoc.uva.es/handle/10324/81528 UL https://uvadoc.uva.es/handle/10324/81528 LA spa NO Phys. Chem. Chem. Phys., 2020, 22, 13867-13871 NO Producción Científica DS UVaDOC RD 14-ene-2026