Observation of dihydrated glycine.

José L Alonso, Isabel Peña, M Eugenia Sanz, Vanesa Vaquero, Santiago Mata, Carlos Cabezas, Juan C López

Grupo de Espectroscopía Molecular, Edificio Quifima, Área de Química-Física, Laboratorios de Espectroscopia y Bioespectroscopia, Parque Científico UVa, Universidad de Valladolid, 47005 Valladolid, Spain. jlalonso@qf.uva.es

Chemical communications (Cambridge, England) 2013 Apr 28

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The complex of glycine with two water molecules glycine-(H2O)2 has been generated by laser ablation in a supersonic expansion and characterised using rotational spectroscopy. The water molecules bind to the carboxylic group of glycine and to each other through three intermolecular hydrogen bonds, closing an eight-membered ring. In the complex, glycine adopts the conformation found to be the most stable for bare glycine.

Citation

José L Alonso, Isabel Peña, M Eugenia Sanz, Vanesa Vaquero, Santiago Mata, Carlos Cabezas, Juan C López. Observation of dihydrated glycine. Chemical communications (Cambridge, England). 2013 Apr 28;49(33):3443-5