1-Ethyl-3-methylimidazolium Based Ionic Liquids Containing Cyano Groups:  Synthesis, Characterization, and Crystal Structure

2004 ◽  
Vol 43 (4) ◽  
pp. 1458-1462 ◽  
Author(s):  
Yukihiro Yoshida ◽  
Koji Muroi ◽  
Akihiro Otsuka ◽  
Gunzi Saito ◽  
Masahide Takahashi ◽  
...  
2019 ◽  
Vol 9 (24) ◽  
pp. 5367 ◽  
Author(s):  
Karl Karu ◽  
Fred Elhi ◽  
Kaija Põhako-Esko ◽  
Vladislav Ivaništšev

In this work, we introduce a simulation-based method for predicting the melting point of ionic liquids without prior knowledge of their crystal structure. We run molecular dynamics simulations of biofriendly, choline cation-based ionic liquids and apply the method to predict their melting point. The root-mean-square error of the predicted values is below 24 K. We advocate that such precision is sufficient for designing ionic liquids with relatively low melting points. The workflow for simulations is available for everyone and can be adopted for any species from the wide chemical space of ionic liquids.


2020 ◽  
Vol 45 (6) ◽  
pp. 413-421
Author(s):  
Lingyan Li ◽  
Lei Li ◽  
Qianqian Li ◽  
Yiming Shen ◽  
Shangke Pan ◽  
...  

2013 ◽  
Vol 68 (3) ◽  
pp. 245-249 ◽  
Author(s):  
Tim Peppel ◽  
Martin Köckerling

Ethyl-Lophine, 1-ethyl-2,4,5-triphenyl-1H-imidazole, C23H20N2, was synthesized as a precursor for large organic cations in ionic liquids using an improved microwave-assisted method. The title compound and a precursor compound were characterized by NMR, IR, and DSC thermal measurements, as well as elemental analyses. The crystal structure of ethyl-lophine was determined by singlecrystal X-ray structure analysis (triclinic, P1̄, a = 10:1137(3), b = 12:4935(4), c = 14:6351(4) Å , α = 98:182(2)°, β = 90:694(2)°, γ = 102:666(2)°, Z = 4, wR2 = 0:1030 for 611 refined parameters).


2005 ◽  
Vol 44 (23) ◽  
pp. 8168-8169 ◽  
Author(s):  
Arash Babai ◽  
Anja-Verena Mudring

CrystEngComm ◽  
2014 ◽  
Vol 16 (14) ◽  
pp. 3040-3046 ◽  
Author(s):  
Xiao-Peng Xuan ◽  
Liang-Liang Chang ◽  
Heng Zhang ◽  
Na Wang ◽  
Yang Zhao

Hydrogen bonds such as the classic O–H⋯X (halide ion) hydrogen bond and the carboxyl group dimer were observed in the crystal structures of hydrophilic and hydrophobic COOH-functionalized imidazolium ionic liquids, respectively.


2015 ◽  
Vol 727-728 ◽  
pp. 34-37
Author(s):  
Li Ying Guo ◽  
Jun Shi ◽  
Jun Hai He ◽  
Ji Yue Huang ◽  
Peng Cheng Huang

Three kinds of functionalized imidazolium ionic liquid, 1-chloride (2-hydroxyethyl) -3-methyl imidazole ionic liquid [HeMIM]Cl, 1-bromide ethylamine-3-methyl imidazolium ionic liquid [AeMIM]Br and chlorinated 1-carboxyethyl-3-methyl imidazolium ionic liquid [CeMIM]Cl, were synthesized firstly. Subsequently, three kinds of supported silicon imidazolium ionic liquids were prepared from above ionic liquids with tetraethoxysilane by sol-gel method. The Chemical structure and crystal structure of the supported on silica based ionic liquids were analyzed by FTIR and XRD.


2015 ◽  
Vol 71 (9) ◽  
pp. 1022-1025 ◽  
Author(s):  
Jin-Li Zhu ◽  
Guo -Qing Jiang ◽  
Xiao-Qing Guo ◽  
Yan-Feng Tang ◽  
Miao Wang

In the title structure, [Cd(C5H2N5)2(C3H7NO)2]nor [Cd(adci)2(DMF)2]n, the Cd2+ion is located on a twofold rotation axis and is six-coordinated in a CdN4O2manner by four imidazole N atoms of four symmetry-related 2-amino-4,5-dicyanoimidazolate (adci) anions in the equatorial plane and by two O atoms of symmetry-relatedN,N-dimethylformamide (DMF) ligands in axial positions. The adci−anions bridge adjacent Cd2+ions [shortest Cd...Cd separation = 6.733 (3) Å] into a layered coordination polymer extending parallel to (001). The primary amino group and the non-coordinating cyano groups of adci−anions are involved in hydrogen-bonding interactions with DMF ligands to stabilize the crystal structure.


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