RT Journal Article
T1 Local and solvation pressures in aqueous solutions of ethylenediamine probed by Raman spectroscopy
A1 Cáceres Alonso, María Mercedes
A1 Lobato Fernández, Álvaro
A1 Nubia Judith Mendoza, 
A1 Laura Jimenez Bonales, 
A1 García Baonza, Valentín
AB Raman spectra of 1,2-ethylenediamine (EDA) in aqueous solutions are used to demonstrate that EDA molecules experience an anti–gauche conformational change resulting from the interactions with water. The observed Raman shift reveals a compressive (hydrophobic) effect of water on both methylene and amino groups of EDA. Raman spectra of EDA at high pressures are used as reference to quantify the intermolecular EDA–H2O interactions in terms of local pressures. These results are compared with macroscopic solvation pressures calculated from the cohesive energy parameter. We compare and discuss all our observations with available computational and experimental studies.
PB Royal Society of Chemistry
SN 1463-9076
YR 2016
FD 2016-06-16
LK https://hdl.handle.net/20.500.14352/92321
UL https://hdl.handle.net/20.500.14352/92321
LA eng
NO Cáceres, M.; Lobato, A.; Mendoza, N. J.; Bonales, L. J.; Baonza, V. G. Local, solvation pressures and conformational changes in ethylenediamine aqueous solutions probed using Raman spectroscopy. Phys. Chem. Chem. Phys. 2016, 18, 26192-26198 DOI:10.1039/C6CP03857C.
DS Docta Complutense
RD 25 jul 2024