This is a page describing data taken during an experiment at the ISIS Neutron and Muon Source. Information about the ISIS Neutron and Muon Source can be found at https://www.isis.stfc.ac.uk.
Exploring asymmetry-induced entropy in deep eutectic solvents
Abstract: Comparison of the low frequency vibrational profile of deep eutectic solvents based on urea and tetraalkylammonium cations with varying degrees of symmetry. Architectural differences will be understood through the analysis of collective modes – which inform on the degree of order in the mixture, intermolecular stretching modes and environment-sensitive internal modes, such as methyl torsions. Specifically, we aim to compare:a) pairs of eutectic systems based on tetraalkylammonium cations which differ in their degree of symmetry while retaining similar enthalpic profiles;b) annealed and shock-frozen samples, to ascertain whether the eutectic mixtures form ordered or disordered solids below the eutectic temperature c) each mixture with its pure components;d) fully hydrogenated and partially deuterated mixtures
Public release date: 07 May 2021
Principal Investigator: Dr Mariela Nolasco
Experimenter: Ms António Ribeiro
Experimenter: Professor Paulo Ribeiro-Claro
Local Contact: Dr Svemir Rudic
Experimenter: Miss Catarina Araujo
Experimenter: Dr Pedro Duarte Vaz
DOI: 10.5286/ISIS.E.92921697
Parent DOI: 10.5286/ISIS.E.RB1810054
ISIS Experiment Number: RB1810054
Part Number: 1
Date of Experiment: 03 May 2018
Publisher: STFC ISIS Neutron and Muon Source
Data format: RAW/Nexus
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Data Citation
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[author], [date], [title], [publisher],
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Dr Mariela Nolasco et al; (2018): Exploring asymmetry-induced entropy in deep eutectic solvents, STFC ISIS Neutron and Muon Source, https://doi.org/10.5286/ISIS.E.92921697