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Related papers: The Scaled-Charge Additive Force Field for Amino A…

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Ionic liquids (ILs) constitute one of the most active fields of research nowadays. Many organic and inorganic molecules can be converted into ions via relatively simple procedures. These ions can be combined into ILs. Amino acid based ILs…

Materials Science · Physics 2015-01-09 Eudes Eterno Fileti , Vitaly V. Chaban

New ionic liquids (ILs) are continuously introduced involving an increasing number of organic and inorganic ions. Amino acid based ILs (AAILs) represent a specific interest due to their natural origin and, allegedly, low cost. We apply our…

Materials Science · Physics 2014-12-09 Vitaly V. Chaban , Eudes Eterno Fileti

We study ionic liquids composed 1-alkyl-3-methylimidazolium cations and bis(trifluoromethyl-sulfonyl)imide anions ([C$_n$MIm][NTf$_2$]) with varying chain-length $n\!=\!2, 4, 6, 8$ by using molecular dynamics simulations. We show that a…

Soft Condensed Matter · Physics 2017-11-13 Benjamin Golub , Jan Neumann , Lisa-Marie Odebrecht , Ralf Ludwig , Dietmar Paschek

Climate emergency has led to the investigation of CO$_{2}$ valorization routes. A competitive process included in this framework is the catalytic CO$_{2}$ cycloaddition to epoxides, to produce cyclic carbonates. Halide-based Ionic liquids…

Soft Condensed Matter · Physics 2025-03-17 Sergio Dorado-Alfaro , Elisa Hernández , Jesús Algaba , Pablo Navarro , Felipe J. Blas , José Palomar

Reliable force field (FF) is a central issue in successful prediction of physical chemical properties via computer simulations. Together with the original CL-P parameters, our force field fosters computational investigation of ionic…

Materials Science · Physics 2014-12-20 Vitaly Chaban , Julia Voroshylova

In this work, a force field for several ions in water is proposed. In particular, we consider the cations Li$^+$ , Na$^+$ , K$^+$, Mg$^{2+}$, Ca$^{2+}$ and the anions Cl$^-$, and SO$_4^{2-}$ . These ions were selected as they appear in the…

Chemical Physics · Physics 2024-01-25 I. M. Zeron , J. L. F. Abascal , C. Vega

We present a new polarizable force field for aqueous ions (Li+, Na+, K+, Rb+, Cs+, Mg2+, Ca2+, Sr2+ and Cl-) derived from condensed phase ab-initio calculations. We use Maximally Localized Wannier Functions together with a generalized force…

Recently, we introduced a new force field (FF) to simulate transport properties of imidazolium-based room-temperature ionic liquids (RTILs) using a solid physical background. In the present work, we apply this FF to derive thermodynamic,…

Materials Science · Physics 2011-08-19 Vitaly V. Chaban , Oleg V. Prezhdo

Aqueous solutions of amino acid ionic liquids (AAILs) are of high importance for applications in protein synthesis and solubilization, enzymatic reactions, templates for synthetic study, etc. This work employs molecular dynamics simulations…

Materials Science · Physics 2014-12-19 Vitaly V. Chaban , Eudes Eterno Fileti

The numerous combinations of cations and anions turn out possible to produce ionic liquids with fine-tuned properties once the correlation with the molecular structure is known. In this sense, computer simulations are useful tools to…

The development of novel task-specific ionic liquids (ILs) represents an essential challenge in modern organic and physical chemistries. Recently we reported surface-active ILs contained the two well-known organic cations…

Soft Condensed Matter · Physics 2022-01-04 Vitaly V. Chaban

In this work, a new force field is presented for the ionic liquid 1-butyl-3-methylimidazolium-bis(trifluoromethylsulfonyl)imide, [Bmim][Nf$_2$T]. As a part of the \epsilon force field, the acronym IL/\epsilon is used to refer to this ionic…

Soft Condensed Matter · Physics 2023-05-25 Raúl Fuentes-Azcatl , Minerva González-Melchor

Ionic Liquids feature thermophysical properties that are of interest in solvents, energy storage materials and tenable lubrication applications. Recently, a series of coarse grained (CG) models was developed to investigate…

Soft Condensed Matter · Physics 2020-02-19 Oscar Y. Fajardo , Silvia Di Lecce , Fernando Bresme

Based on classical molecular dynamics simulations, we discuss the impact of Coulombic interactions on a comprehensive set of properties of room temperature ionic liquids (RTILs) containing 1,3 dimethylimidazolium (MMIM+), N butylpyridinium…

Materials Science · Physics 2017-09-13 Vitaly V. Chaban

Ionic liquids (ILs) are an extremely exciting class of electrolytes for energy storage applications because of their unique combination of properties. Upon dissolving alkali metal salts, such as Li or Na based salts, with the same anion as…

Using molecular dynamics simulations, the structure of model mini-protein was thoroughly characterized in the imidazolium-based amino acid ionic liquids and their aqueous solutions. We report that the mini-protein is more stable when AAIL…

Biological Physics · Physics 2015-05-28 Guillaume Chevrot , Eudes Eterno Fileti , Vitaly V. Chaban

Several ionic liquids (ILs) are known to revert aggregation processes and improve the in vitro refolding of denatured proteins. In this paper the capacity of a particular class of ammonium based ILs to act as refolding enhancers was tested…

Soft Condensed Matter · Physics 2012-04-24 Sara Mangialardo , Lorenzo Gontrani , Ruggero Caminiti , Paolo Postorino

In this work, an extension of the Madrid-2019 force field is presented. We have added the cations Rb + and Cs + and the anions F$^-$, Br$^-$ and I$^-$. These ions were the remaining alkaline and halogen ions not previously considered in the…

Chemical Physics · Physics 2024-01-23 Samuel Blazquez , Maria M. Conde , Jose L. F. Abascal , Carlos Vega

We apply a new methodology in the force field generation (PCCP 2011, 13, 7910) to study the binary mixtures of five imidazolium-based room-temperature ionic liquids (RTILs) with acetonitrile (ACN). The investigated RTILs are composed of…

Materials Science · Physics 2012-02-07 Vitaly V. Chaban , Iuliia V. Voroshylova , Oleg N. Kalugin , Oleg V. Prezhdo

Reliable force field (FF) is a central issue in successful prediction of physical chemical properties via computer simulations.

Materials Science · Physics 2014-08-19 Iuliia V. Voroshylova , Vitaly V. Chaban
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