A comparison of choline: urea and choline: oxalic acid deep eutectic solvents at 338 K

被引：51
作者：
Gilmore, Mark [1 ]
Moura, Leila M. [1 ]
Turner, Adam H. [1 ]
Swadzba-Kwasny, Malgorzata [1 ]
Callear, Samantha K. [2 ]
McCune, Jade A. [3 ]
Scherman, Oren A. [3 ]
Holbrey, John D. [1 ]
机构：
[1] Queens Univ Belfast, Sch Chem & Chem Engn, Belfast BT9 5AG, Antrim, North Ireland
[2] Rutherford Appleton Lab, ISIS, Harwell Sci & Innovat Campus, Didcot OX11 0DE, Oxon, England
[3] Univ Cambridge, Dept Chem, Melville Lab Polymer Synth, Lensfield Rd, Cambridge CB2 1EW, England
来源：
JOURNAL OF CHEMICAL PHYSICS | 2018年 / 148卷 / 19期
基金：
英国工程与自然科学研究理事会;
关键词：
NEUTRON-SCATTERING; IONIC LIQUIDS; CHLORIDE; NANOSTRUCTURE; MIXTURES; TRANSITION; SIMULATION;
D O I：
10.1063/1.5010246
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
1:2 choline chloride:urea and 1:1 choline chloride:oxalic acid deep eutectic solvents are compared at 338 K using liquid-phase neutron diffraction with H/D isotopic substitution to obtain differential neutron scattering cross sections and fitting of models to the experimental data using Empirical Potential Structure Refinement. In comparison to the previously reported study of choline chloride:urea at 303 K, we observed significant weakening and lengthening of choline-OH ... Cl- and choline-OH ... hydrogen-bond acceptor correlations. Published by AIP Publishing.
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页数：10
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