51
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Phifer JR, Solomon KJ, Young KL, Paluch AS. Computing MOSCED parameters of nonelectrolyte solids with electronic structure methods in SMD and SM8 continuum solvents. AIChE J 2016. [DOI: 10.1002/aic.15413] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jeremy R. Phifer
- Dept. of Chemical, Paper and Biomedical Engineering; Miami University; Oxford OH 45056
| | - Kimberly J. Solomon
- Dept. of Chemical, Paper and Biomedical Engineering; Miami University; Oxford OH 45056
| | - Kayla L. Young
- Dept. of Chemical, Paper and Biomedical Engineering; Miami University; Oxford OH 45056
| | - Andrew S. Paluch
- Dept. of Chemical, Paper and Biomedical Engineering; Miami University; Oxford OH 45056
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52
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Sosso G, Chen J, Cox SJ, Fitzner M, Pedevilla P, Zen A, Michaelides A. Crystal Nucleation in Liquids: Open Questions and Future Challenges in Molecular Dynamics Simulations. Chem Rev 2016; 116:7078-116. [PMID: 27228560 PMCID: PMC4919765 DOI: 10.1021/acs.chemrev.5b00744] [Citation(s) in RCA: 378] [Impact Index Per Article: 47.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Indexed: 11/28/2022]
Abstract
The nucleation of crystals in liquids is one of nature's most ubiquitous phenomena, playing an important role in areas such as climate change and the production of drugs. As the early stages of nucleation involve exceedingly small time and length scales, atomistic computer simulations can provide unique insights into the microscopic aspects of crystallization. In this review, we take stock of the numerous molecular dynamics simulations that, in the past few decades, have unraveled crucial aspects of crystal nucleation in liquids. We put into context the theoretical framework of classical nucleation theory and the state-of-the-art computational methods by reviewing simulations of such processes as ice nucleation and the crystallization of molecules in solutions. We shall see that molecular dynamics simulations have provided key insights into diverse nucleation scenarios, ranging from colloidal particles to natural gas hydrates, and that, as a result, the general applicability of classical nucleation theory has been repeatedly called into question. We have attempted to identify the most pressing open questions in the field. We believe that, by improving (i) existing interatomic potentials and (ii) currently available enhanced sampling methods, the community can move toward accurate investigations of realistic systems of practical interest, thus bringing simulations a step closer to experiments.
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Affiliation(s)
- Gabriele
C. Sosso
- Thomas Young Centre, London
Centre for Nanotechnology and Department of Physics and Astronomy, University College London, Gower Street WC1E
6BT London, U.K.
| | - Ji Chen
- Thomas Young Centre, London
Centre for Nanotechnology and Department of Physics and Astronomy, University College London, Gower Street WC1E
6BT London, U.K.
| | | | - Martin Fitzner
- Thomas Young Centre, London
Centre for Nanotechnology and Department of Physics and Astronomy, University College London, Gower Street WC1E
6BT London, U.K.
| | - Philipp Pedevilla
- Thomas Young Centre, London
Centre for Nanotechnology and Department of Physics and Astronomy, University College London, Gower Street WC1E
6BT London, U.K.
| | - Andrea Zen
- Thomas Young Centre, London
Centre for Nanotechnology and Department of Physics and Astronomy, University College London, Gower Street WC1E
6BT London, U.K.
| | - Angelos Michaelides
- Thomas Young Centre, London
Centre for Nanotechnology and Department of Physics and Astronomy, University College London, Gower Street WC1E
6BT London, U.K.
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53
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Ley RT, Fuerst GB, Redeker BN, Paluch AS. Developing a Predictive Form of MOSCED for Nonelectrolyte Solids Using Molecular Simulation: Application to Acetanilide, Acetaminophen, and Phenacetin. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.5b04807] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ryan T. Ley
- Department
of Chemical, Paper
and Biomedical Engineering, Miami University, Oxford, Ohio 45056, United States
| | - Georgia B. Fuerst
- Department
of Chemical, Paper
and Biomedical Engineering, Miami University, Oxford, Ohio 45056, United States
| | - Bryce N. Redeker
- Department
of Chemical, Paper
and Biomedical Engineering, Miami University, Oxford, Ohio 45056, United States
| | - Andrew S. Paluch
- Department
of Chemical, Paper
and Biomedical Engineering, Miami University, Oxford, Ohio 45056, United States
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54
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Nezbeda I, Moučka F, Smith WR. Recent progress in molecular simulation of aqueous electrolytes: force fields, chemical potentials and solubility. Mol Phys 2016. [DOI: 10.1080/00268976.2016.1165296] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Ivo Nezbeda
- Faculty of Science, J.E. Purkinje University, Ústí nad Labem, Czech Republic
- Institute of Chemical Process Fundamentals, Academy of Sciences, Prague 6, Czech Republic
| | - Filip Moučka
- Faculty of Science, J.E. Purkinje University, Ústí nad Labem, Czech Republic
| | - William R. Smith
- Department of Mathematics and Statistics, University of Guelph, Guelph, ON, Canada
- Faculty of Science, University of Ontario Institute of Technology, Oshawa, ON, Canada
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55
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Affiliation(s)
- Raúl Fuentes-Azcatl
- Instituto de Física, Universidade Federal do Rio Grande do Sul, Caixa Postal 15051, CEP 91501-970 Porto Alegre, Rio Grande do Sul, Brazil
| | - Marcia C. Barbosa
- Instituto de Física, Universidade Federal do Rio Grande do Sul, Caixa Postal 15051, CEP 91501-970 Porto Alegre, Rio Grande do Sul, Brazil
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56
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Kohns M, Reiser S, Horsch M, Hasse H. Solvent activity in electrolyte solutions from molecular simulation of the osmotic pressure. J Chem Phys 2016; 144:084112. [DOI: 10.1063/1.4942500] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Maximilian Kohns
- Laboratory of Engineering Thermodynamics, University of Kaiserslautern, Erwin-Schrödinger Str. 44, D-67663 Kaiserslautern, Germany
| | - Steffen Reiser
- Laboratory of Engineering Thermodynamics, University of Kaiserslautern, Erwin-Schrödinger Str. 44, D-67663 Kaiserslautern, Germany
| | - Martin Horsch
- Laboratory of Engineering Thermodynamics, University of Kaiserslautern, Erwin-Schrödinger Str. 44, D-67663 Kaiserslautern, Germany
| | - Hans Hasse
- Laboratory of Engineering Thermodynamics, University of Kaiserslautern, Erwin-Schrödinger Str. 44, D-67663 Kaiserslautern, Germany
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57
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Zimmermann NER, Vorselaars B, Quigley D, Peters B. Nucleation of NaCl from Aqueous Solution: Critical Sizes, Ion-Attachment Kinetics, and Rates. J Am Chem Soc 2015; 137:13352-61. [DOI: 10.1021/jacs.5b08098] [Citation(s) in RCA: 121] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
| | - Bart Vorselaars
- Department
of Physics and Centre for Scientific Computing, University of Warwick, Coventry, CV4 7AL, U.K
| | - David Quigley
- Department
of Physics and Centre for Scientific Computing, University of Warwick, Coventry, CV4 7AL, U.K
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58
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Mester Z, Panagiotopoulos AZ. Mean ionic activity coefficients in aqueous NaCl solutions from molecular dynamics simulations. J Chem Phys 2015; 142:044507. [PMID: 25637995 DOI: 10.1063/1.4906320] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The mean ionic activity coefficients of aqueous NaCl solutions of varying concentrations at 298.15 K and 1 bar have been obtained from molecular dynamics simulations by gradually turning on the interactions of an ion pair inserted into the solution. Several common non-polarizable water and ion models have been used in the simulations. Gibbs-Duhem equation calculations of the thermodynamic activity of water are used to confirm the thermodynamic consistency of the mean ionic activity coefficients. While the majority of model combinations predict the correct trends in mean ionic activity coefficients, they overestimate their values at high salt concentrations. The solubility predictions also suffer from inaccuracies, with all models underpredicting the experimental values, some by large factors. These results point to the need for further ion and water model development.
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Affiliation(s)
- Zoltan Mester
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA
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59
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Mester Z, Panagiotopoulos AZ. Temperature-dependent solubilities and mean ionic activity coefficients of alkali halides in water from molecular dynamics simulations. J Chem Phys 2015; 143:044505. [DOI: 10.1063/1.4926840] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Zoltan Mester
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA
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60
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Jiang H, Mester Z, Moultos OA, Economou IG, Panagiotopoulos AZ. Thermodynamic and Transport Properties of H2O + NaCl from Polarizable Force Fields. J Chem Theory Comput 2015; 11:3802-10. [DOI: 10.1021/acs.jctc.5b00421] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hao Jiang
- Department
of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Zoltan Mester
- Department
of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, United States
| | - Othonas A. Moultos
- Chemical Engineering Program, Texas A&M University at Qatar, P.O. Box 23874, Doha, Qatar
| | - Ioannis G. Economou
- Chemical Engineering Program, Texas A&M University at Qatar, P.O. Box 23874, Doha, Qatar
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61
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Valiskó M, Boda D. The effect of concentration- and temperature-dependent dielectric constant on the activity coefficient of NaCl electrolyte solutions. J Chem Phys 2015; 140:234508. [PMID: 24952553 DOI: 10.1063/1.4883742] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Our implicit-solvent model for the estimation of the excess chemical potential (or, equivalently, the activity coefficient) of electrolytes is based on using a dielectric constant that depends on the thermodynamic state, namely, the temperature and concentration of the electrolyte, ε(c, T). As a consequence, the excess chemical potential is split into two terms corresponding to ion-ion (II) and ion-water (IW) interactions. The II term is obtained from computer simulation using the Primitive Model of electrolytes, while the IW term is estimated from the Born treatment. In our previous work [J. Vincze, M. Valiskó, and D. Boda, "The nonmonotonic concentration dependence of the mean activity coefficient of electrolytes is a result of a balance between solvation and ion-ion correlations," J. Chem. Phys. 133, 154507 (2010)], we showed that the nonmonotonic concentration dependence of the activity coefficient can be reproduced qualitatively with this II+IW model without using any adjustable parameter. The Pauling radii were used in the calculation of the II term, while experimental solvation free energies were used in the calculation of the IW term. In this work, we analyze the effect of the parameters (dielectric constant, ionic radii, solvation free energy) on the concentration and temperature dependence of the mean activity coefficient of NaCl. We conclude that the II+IW model can explain the experimental behavior using a concentration-dependent dielectric constant and that we do not need the artificial concept of "solvated ionic radius" assumed by earlier studies.
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Affiliation(s)
- Mónika Valiskó
- Department of Physical Chemistry, University of Pannonia, P.O. Box 158, H-8201 Veszprém, Hungary
| | - Dezső Boda
- Department of Physical Chemistry, University of Pannonia, P.O. Box 158, H-8201 Veszprém, Hungary
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62
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Chialvo AA, Moucka F, Vlcek L, Nezbeda I. Vapor–Liquid Equilibrium and Polarization Behavior of the GCP Water Model: Gaussian Charge-on-Spring versus Dipole Self-Consistent Field Approaches to Induced Polarization. J Phys Chem B 2015; 119:5010-9. [DOI: 10.1021/acs.jpcb.5b00595] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ariel A. Chialvo
- Chemical
Sciences Division, Geochemistry and Interfacial Sciences Group, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6110, United States
| | - Filip Moucka
- Faculty
of Science, J. E. Purkinje University, 40096 Usti nad
Labem, Czech Republic
| | - Lukas Vlcek
- Chemical
Sciences Division, Geochemistry and Interfacial Sciences Group, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6110, United States
- Joint
Institute for Computational Sciences, Oak Ridge National Laboratory, Oak
Ridge, Tennessee 37831-6173, United States
| | - Ivo Nezbeda
- Faculty
of Science, J. E. Purkinje University, 40096 Usti nad
Labem, Czech Republic
- E.
Hala Laboratory of Thermodynamics, Institute of Chemical Process Fundamentals Academy of Sciences, 16502 Prague 6, Czech Republic
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63
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Moučka F, Nezbeda I, Smith WR. Chemical Potentials, Activity Coefficients, and Solubility in Aqueous NaCl Solutions: Prediction by Polarizable Force Fields. J Chem Theory Comput 2015; 11:1756-64. [DOI: 10.1021/acs.jctc.5b00018] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Filip Moučka
- Faculty
of Science, J. E. Purkinje University, 400 96 Ústí
nad Labem, Czech Republic
| | - Ivo Nezbeda
- Faculty
of Science, J. E. Purkinje University, 400 96 Ústí
nad Labem, Czech Republic
- Institute
of Chemical Process Fundamentals, Academy of Sciences, 165 02 Prague 6, Czech Republic
| | - William R. Smith
- Department
of Mathematics and Statistics, University of Guelph, Guelph, Ontario N1G 2W1, Canada
- Faculty
of Science, University of Ontario Institute of Technology, Oshawa, Ontario L1H 7K4, Canada
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64
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Moucka F, Bratko D, Luzar A. Electrolyte pore/solution partitioning by expanded grand canonical ensemble Monte Carlo simulation. J Chem Phys 2015; 142:124705. [DOI: 10.1063/1.4914461] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Affiliation(s)
- Filip Moucka
- Department of Chemistry, Virginia Commonwealth University, Richmond, Virginia 23221, USA
- Faculty of Science, J. E. Purkinje University, 400 96 Ústí nad Labem, Czech Republic
| | - Dusan Bratko
- Department of Chemistry, Virginia Commonwealth University, Richmond, Virginia 23221, USA
| | - Alenka Luzar
- Department of Chemistry, Virginia Commonwealth University, Richmond, Virginia 23221, USA
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65
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Wiebe H, Louwersheimer J, Weinberg N. Molecular dynamic studies of the solubility of sodium chloride: fast calculations using seed crystalline cluster probe. Mol Phys 2015. [DOI: 10.1080/00268976.2015.1011247] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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66
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67
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Paluch AS, Parameswaran S, Liu S, Kolavennu A, Mobley DL. Predicting the excess solubility of acetanilide, acetaminophen, phenacetin, benzocaine, and caffeine in binary water/ethanol mixtures via molecular simulation. J Chem Phys 2015; 142:044508. [PMID: 25637996 PMCID: PMC4312346 DOI: 10.1063/1.4906491] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2014] [Accepted: 01/12/2015] [Indexed: 01/13/2023] Open
Abstract
We present a general framework to predict the excess solubility of small molecular solids (such as pharmaceutical solids) in binary solvents via molecular simulation free energy calculations at infinite dilution with conventional molecular models. The present study used molecular dynamics with the General AMBER Force Field to predict the excess solubility of acetanilide, acetaminophen, phenacetin, benzocaine, and caffeine in binary water/ethanol solvents. The simulations are able to predict the existence of solubility enhancement and the results are in good agreement with available experimental data. The accuracy of the predictions in addition to the generality of the method suggests that molecular simulations may be a valuable design tool for solvent selection in drug development processes.
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Affiliation(s)
- Andrew S Paluch
- Department of Chemical, Paper, and Biomedical Engineering, Miami University, Oxford, Ohio 45056, USA
| | - Sreeja Parameswaran
- Department of Chemistry, University of New Orleans, New Orleans, Louisiana 70148, USA
| | - Shuai Liu
- Department of Pharmaceutical Sciences, University of California Irvine, Irvine, California 92697, USA
| | - Anasuya Kolavennu
- Department of Chemistry, University of New Orleans, New Orleans, Louisiana 70148, USA
| | - David L Mobley
- Department of Pharmaceutical Sciences, University of California Irvine, Irvine, California 92697, USA
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68
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Wang T, Zhang R, Wu T, Li H, Zhuang W. Simulating ion clustering in potassium thiocyanate aqueous solutions with various ion-water models. Sci China Chem 2014. [DOI: 10.1007/s11426-014-5244-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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69
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Kobayashi K, Liang Y, Sakka T, Matsuoka T. Molecular dynamics study of salt–solution interface: Solubility and surface charge of salt in water. J Chem Phys 2014; 140:144705. [DOI: 10.1063/1.4870417] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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70
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Ren G, Shi R, Wang Y. Structural, Dynamic, and Transport Properties of Concentrated Aqueous Sodium Chloride Solutions under an External Static Electric Field. J Phys Chem B 2014; 118:4404-11. [DOI: 10.1021/jp4118387] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Gan Ren
- State Key
Laboratory of Theoretical
Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, 55 East Zhongguancun Road, P.O. Box 2735, Beijing, 100190 China
| | - Rui Shi
- State Key
Laboratory of Theoretical
Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, 55 East Zhongguancun Road, P.O. Box 2735, Beijing, 100190 China
| | - Yanting Wang
- State Key
Laboratory of Theoretical
Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, 55 East Zhongguancun Road, P.O. Box 2735, Beijing, 100190 China
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71
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Moučka F, Nezbeda I, Smith WR. Computationally efficient Monte Carlo simulations for polarisable models: multi-particle move method for water and aqueous electrolytes. MOLECULAR SIMULATION 2013. [DOI: 10.1080/08927022.2013.804183] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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72
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Moučka F, Nezbeda I, Smith WR. Molecular Force Field Development for Aqueous Electrolytes: 1. Incorporating Appropriate Experimental Data and the Inadequacy of Simple Electrolyte Force Fields Based on Lennard-Jones and Point Charge Interactions with Lorentz–Berthelot Rules. J Chem Theory Comput 2013; 9:5076-85. [DOI: 10.1021/ct4006008] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Filip Moučka
- Faculty
of Science, University of Ontario Institute of Technology, Oshawa, ON
L1H7K4, Canada
- Faculty
of Science, J. E. Purkinje University, 400 96 Ústí n. Lab., Czech Republic
| | - Ivo Nezbeda
- Faculty
of Science, J. E. Purkinje University, 400 96 Ústí n. Lab., Czech Republic
- E. Hála
Laboratory of Thermodynamics, Institute of
Chemical Process Fundamentals, Academy of Sciences, 165 02 Prague 6, Czech Republic
| | - William R. Smith
- Faculty
of Science, University of Ontario Institute of Technology, Oshawa, ON
L1H7K4, Canada
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73
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Moučka F, Nezbeda I, Smith WR. Molecular simulation of aqueous electrolytes: Water chemical potential results and Gibbs-Duhem equation consistency tests. J Chem Phys 2013; 139:124505. [DOI: 10.1063/1.4821153] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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74
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Paluch AS, Maginn EJ. Efficient Estimation of the Equilibrium Solution-Phase Fugacity of Soluble Nonelectrolyte Solids in Binary Solvents by Molecular Simulation. Ind Eng Chem Res 2013. [DOI: 10.1021/ie401295j] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Andrew S. Paluch
- Department
of Chemical and Biomolecular Engineering, University of Notre Dame, Notre
Dame, Indiana 46556, United States
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75
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Shi W, Luebke DR. Enhanced gas absorption in the ionic liquid 1-n-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide ([hmim][Tf2N]) confined in silica slit pores: a molecular simulation study. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:5563-72. [PMID: 23537057 DOI: 10.1021/la400226g] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Two-dimensional NPxyT and isostress-osmotic (N2PxyTf1) Monte Carlo simulations were used to compute the density and gas absorption properties of the ionic liquid (IL) 1-n-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)amide ([hmim][Tf2N]) confined in silica slit pores (25-45 Å). Self-diffusivity values for both gas and IL were calculated from NVE molecular dynamics simulations using both smooth and atomistic potential models for silica. The simulations showed that the molar volume of [hmim][Tf2N] confined in 25-45-Å silica slit pores is 12-31% larger than that of the bulk IL at 313-573 K and 1 bar. The amounts of CO2, H2, and N2 absorbed in the confined IL are 1.1-3 times larger than those in the bulk IL because of the larger molar volume of the confined IL compared to the bulk IL. The CO2, N2, and H2 molecules are generally absorbed close to the silica wall where the IL density is very low. This arrangement causes the self-diffusivities of these gases in the confined IL to be 2-8 times larger than those in the bulk IL at 298-573 K. The solubilities of water in the confined and bulk ILs are similar, which is likely due to strong water interactions with [hmim][Tf2N] through hydrogen bonding, so that the molar volume of the confined IL plays a less important role in determining the H2O solubility. Water molecules are largely absorbed in the IL-rich region rather than close to the silica wall. The self-diffusivities of water correlate with those of the confined IL. The confined IL exhibits self-diffusivities larger than those of the bulk IL at lower temperatures, but smaller than those of the bulk IL at higher temperatures. The findings from our simulations are consistent with available experimental data for similar confined IL systems.
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Affiliation(s)
- Wei Shi
- US Department of Energy, National Energy Technology Laboratory, Pittsburgh, Pennsylvania 15236, United States.
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76
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Moučka F, Nezbeda I, Smith WR. Molecular force fields for aqueous electrolytes: SPC/E-compatible charged LJ sphere models and their limitations. J Chem Phys 2013; 138:154102. [DOI: 10.1063/1.4801322] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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77
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Paluch AS, Maginn EJ. Predicting the Solubility of Solid Phenanthrene: A Combined Molecular Simulation and Group Contribution Approach. AIChE J 2013. [DOI: 10.1002/aic.14020] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Andrew S. Paluch
- Dept. of Chemical and Biomolecular Engineering; University of Notre Dame; Notre Dame; IN; 46556
| | - Edward J. Maginn
- Dept. of Chemical and Biomolecular Engineering; University of Notre Dame; Notre Dame; IN; 46556
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78
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Aragones JL, Sanz E, Valeriani C, Vega C. Calculation of the melting point of alkali halides by means of computer simulations. J Chem Phys 2012; 137:104507. [DOI: 10.1063/1.4745205] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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79
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Aragones JL, Sanz E, Vega C. Solubility of NaCl in water by molecular simulation revisited. J Chem Phys 2012; 136:244508. [DOI: 10.1063/1.4728163] [Citation(s) in RCA: 115] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
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80
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Moučka F, Lísal M, Smith WR. Molecular Simulation of Aqueous Electrolyte Solubility. 3. Alkali-Halide Salts and Their Mixtures in Water and in Hydrochloric Acid. J Phys Chem B 2012; 116:5468-78. [DOI: 10.1021/jp301447z] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Filip Moučka
- Faculty of Science, University of Ontario Institute of Technology, Oshawa, ON L1H7K4,
Canada
- Department of Physics,
Faculty of Science, J. E. Purkinje University, 400 96 Ústí n. Lab., Czech Republic
| | - Martin Lísal
- Department of Physics,
Faculty of Science, J. E. Purkinje University, 400 96 Ústí n. Lab., Czech Republic
- E. Hála Laboratory of Thermodynamics, Institute of Chemical Process Fundamentals of the ASCR, v. v. i., 165 02 Prague 6, Czech Republic
| | - William R. Smith
- Faculty of Science, University of Ontario Institute of Technology, Oshawa, ON L1H7K4,
Canada
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Lu Y, Liu Y, Li H, Zhu X, Liu H, Zhu W. Energetic Effects between Halogen Bonds and Anion-π or Lone Pair-π Interactions: A Theoretical Study. J Phys Chem A 2012; 116:2591-7. [DOI: 10.1021/jp212522k] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yunxiang Lu
- Key Laboratory for
Advanced Materials and Department of Chemistry, East China University of Science and Technology, Shanghai, 200237, China
| | - Yingtao Liu
- Drug Discovery and
Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Haiying Li
- Key Laboratory for
Advanced Materials and Department of Chemistry, East China University of Science and Technology, Shanghai, 200237, China
| | - Xiang Zhu
- Key Laboratory for
Advanced Materials and Department of Chemistry, East China University of Science and Technology, Shanghai, 200237, China
| | - Honglai Liu
- Key Laboratory for
Advanced Materials and Department of Chemistry, East China University of Science and Technology, Shanghai, 200237, China
| | - Weiliang Zhu
- Drug Discovery and
Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
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