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Ferretti A, Prampolini G. Complexes of Alkaline and Ammonium Cations with Dopamine and Eumelanin Precursors: Dissecting the Role of Noncovalent Cation-π and Cation-Lone Pair (σ-Type) Interactions. J Phys Chem A 2022; 126:2330-2341. [PMID: 35394779 DOI: 10.1021/acs.jpca.2c00333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cation-π interactions and their possible competition with other noncovalent interactions (NCI) might play a key role in both dopamine- and eumelanin-based bioinspired materials. In this contribution, to unravel the delicate interplay between cation-π interactions and other possible competing forces, the configurational space of noncovalent complexes formed by dopamine or eumelanin precursors (o-benzoquinone, DHI and a semiquinone dimer) and three different cations (Na+, K+, and NH4+) is sampled by means of accurate ab initio calculations. To this end, we resort to the mp2mod method, recently validated by us for benzene-, phenol-, and catechol-cation complexes, whose computational convenience allows for an extensive exploration of the cation-molecule interaction energy surface, by sampling a total of more than 104 arrangements. The mp2mod interaction energy landscapes reveal that, besides the expected cation-π driven arrangements, for all considered molecule-cation pairs the most stable complexes are found when the cation lies within the plane containing the six-membered ring, thus maximizing the σ-type interaction with the oxygen's lone pairs. Due to the loss of aromaticity, the σ-type/cation-π strength ratio is remarkably large in o-benzoquinone, where cation-π complexes seem unlikely to be formed. The above features are shared among all considered cations but are significantly larger when considering the smaller Na+. Besides delivering a deeper insight onto the NCI network established by the considered precursors in the presence of ions, the present results can serve as a reference database to validate or refine lower level methods, as, for instance, the force fields employed in classical simulations.
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Affiliation(s)
- Alessandro Ferretti
- Istituto di Chimica dei Composti OrganoMetallici (ICCOM-CNR), Area della Ricerca, via G. Moruzzi 1, I-56124 Pisa, Italy
| | - Giacomo Prampolini
- Istituto di Chimica dei Composti OrganoMetallici (ICCOM-CNR), Area della Ricerca, via G. Moruzzi 1, I-56124 Pisa, Italy
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Ferretti A, Prampolini G, d’Ischia M. Noncovalent interactions in catechol/ammonium-rich adhesive motifs: Reassessing the role of cation-π complexes? Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138815] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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3
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Turupcu A, Tirado-Rives J, Jorgensen WL. Explicit Representation of Cation-π Interactions in Force Fields with 1/ r4 Nonbonded Terms. J Chem Theory Comput 2020; 16:7184-7194. [PMID: 33048555 DOI: 10.1021/acs.jctc.0c00847] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The binding energies for cation-π complexation are underestimated by traditional fixed-charge force fields owing to their lack of explicit treatment of ion-induced dipole interactions. To address this deficiency, an explicit treatment of cation-π interactions has been introduced into the OPLS-AA force field. Following prior work with atomic cations, it is found that cation-π interactions can be handled efficiently by augmenting the usual 12-6 Lennard-Jones potentials with 1/r4 terms. Results are provided for prototypical complexes as well as protein-ligand systems of relevance for drug design. Alkali cation, ammonium, guanidinium, and tetramethylammonium were chosen for the representative cations, while benzene and six heteroaromatic molecules were used as the π systems. The required nonbonded parameters were fit to reproduce structure and interaction energies for gas-phase complexes from density functional theory (DFT) calculations at the ωB97X-D/6-311++G(d,p) level. The impact of the solvent was then examined by computing potentials of mean force (pmfs) in both aqueous and tetrahydrofuran (THF) solutions using the free-energy perturbation (FEP) theory. Further testing was carried out for two cases of strong and one case of weak cation-π interactions between druglike molecules and their protein hosts, namely, the JH2 domain of JAK2 kinase and macrophage migration inhibitory factor. FEP results reveal greater binding by 1.5-4.4 kcal/mol from the addition of the explicit cation-π contributions. Thus, in the absence of such treatment of cation-π interactions, errors for computed binding or inhibition constants of 101-103 are expected.
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Affiliation(s)
- Aysegul Turupcu
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Julian Tirado-Rives
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - William L Jorgensen
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
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Orabi EA, Davis RL, Lamoureux G. Drude polarizable force field for cation–π interactions of alkali and quaternary ammonium ions with aromatic amino acid side chains. J Comput Chem 2019; 41:472-481. [DOI: 10.1002/jcc.26084] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2019] [Revised: 08/14/2019] [Accepted: 09/16/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Esam A. Orabi
- Department of ChemistryFaculty of Science, Assiut University Assiut 71516 Egypt
- Department of ChemistryUniversity of Manitoba Winnipeg Manitoba R3T 2N2 Canada
| | - Rebecca L. Davis
- Department of ChemistryUniversity of Manitoba Winnipeg Manitoba R3T 2N2 Canada
| | - Guillaume Lamoureux
- Department of Chemistry and Center for Computational and Integrative Biology (CCIB)Rutgers University Camden New Jersey 08102
- Centre for Research in Molecular Modeling (CERMM), Concordia University Montréal Québec H4B 1R6 Canada
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Orabi EA, Lamoureux G. Cation-π Interactions between Quaternary Ammonium Ions and Amino Acid Aromatic Groups in Aqueous Solution. J Phys Chem B 2018; 122:2251-2260. [PMID: 29397727 DOI: 10.1021/acs.jpcb.7b11983] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cation-π interactions play important roles in the stabilization of protein structures and protein-ligand complexes. They contribute to the binding of quaternary ammonium ligands (mainly RNH3+ and RN(CH3)3+) to various protein receptors and are likely involved in the blockage of potassium channels by tetramethylammonium (TMA+) and tetraethylammonium (TEA+). Polarizable molecular models are calibrated for NH4+, TMA+, and TEA+ interacting with benzene, toluene, 4-methylphenol, and 3-methylindole (representing aromatic amino acid side chains) based on the ab initio MP2(full)/6-311++G(d,p) properties of the complexes. Whereas the gas-phase affinity of the ions with a given aromatic follows the trend NH4+ > TMA+ > TEA+, molecular dynamics simulations using the polarizable models show a reverse trend in water, likely due to a contribution from the hydrophobic effect. This reversed trend follows the solubility of aromatic hydrocarbons in quaternary ammonium salt solutions, which suggests a role for cation-π interactions in the salting-in of aromatic compounds in solution. Simulations in water show that the complexes possess binding free energies ranging from -1.3 to -3.3 kcal/mol (compared to gas-phase binding energies between -8.5 and -25.0 kcal/mol). Interestingly, whereas the most stable complexes involve TEA+ (the largest ion), the most stable solvent-separated complexes involve TMA+ (the intermediate-size ion).
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Affiliation(s)
- Esam A Orabi
- Department of Chemistry and Biochemistry and Centre for Research in Molecular Modeling (CERMM), Concordia University , 7141 Sherbrooke Street West, Montréal, Québec H4B 1R6, Canada
| | - Guillaume Lamoureux
- Department of Chemistry and Biochemistry and Centre for Research in Molecular Modeling (CERMM), Concordia University , 7141 Sherbrooke Street West, Montréal, Québec H4B 1R6, Canada
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Sidky H, Colón YJ, Helfferich J, Sikora BJ, Bezik C, Chu W, Giberti F, Guo AZ, Jiang X, Lequieu J, Li J, Moller J, Quevillon MJ, Rahimi M, Ramezani-Dakhel H, Rathee VS, Reid DR, Sevgen E, Thapar V, Webb MA, Whitmer JK, de Pablo JJ. SSAGES: Software Suite for Advanced General Ensemble Simulations. J Chem Phys 2018; 148:044104. [DOI: 10.1063/1.5008853] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Affiliation(s)
- Hythem Sidky
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Yamil J. Colón
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
- Institute for Molecular Engineering and Materials Science Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
| | - Julian Helfferich
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
- Steinbuch Center for Computing, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Benjamin J. Sikora
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Cody Bezik
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Weiwei Chu
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Federico Giberti
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Ashley Z. Guo
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Xikai Jiang
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Joshua Lequieu
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Jiyuan Li
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Joshua Moller
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Michael J. Quevillon
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Mohammad Rahimi
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Hadi Ramezani-Dakhel
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
- Department of Biochemistry and Molecular Biology, University of Chicago, Chicago, Illinois 60637, USA
| | - Vikramjit S. Rathee
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Daniel R. Reid
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Emre Sevgen
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Vikram Thapar
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
| | - Michael A. Webb
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
- Institute for Molecular Engineering and Materials Science Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
| | - Jonathan K. Whitmer
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Juan J. de Pablo
- Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, USA
- Institute for Molecular Engineering and Materials Science Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
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Yang K, Chen B, Zhu X, Xing B. Aggregation, Adsorption, and Morphological Transformation of Graphene Oxide in Aqueous Solutions Containing Different Metal Cations. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:11066-11075. [PMID: 27662468 DOI: 10.1021/acs.est.6b04235] [Citation(s) in RCA: 144] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
The colloidal behavior of graphene oxide (GO) has been extensively studied in the presence of common environmental cations, but the aggregation, adsorption, and morphological transformation of GO under heavy metal ions have not been investigated. We observed that heavy metal cations (Cr3+, Pb2+, Cu2+, Cd2+, Ag+) destabilized GO suspension more aggressively than common cations (Ca2+, Mg2+, Na+, K+). In addition to electric double-layer (EDL) suppression, heavy metal cations can easily cross the EDL, bind to GO surface, and then change the surface potential, which is a more efficient pathway for GO aggregation. According to aggregation kinetics, the destabilizing ability of cations follows the order of Cr3+ ≫ Pb2+ > Cu2+ > Cd2+ > Ca2+ > Mg2+ ≫ Ag+ > K+ > Na+. The destabilizing capability of metal cations is consistent with their adsorption affinity with GO, which is determined by their electronegativity and hydration shell thickness. GO nanosheets can be transformed to 1D tube-like carbon material, 2D multiple overlapped GO plane, and 3D sphere-like particles during aggregation, thereby combined to form a sphere-like aggregated GO, which is for the first time observed by TEM and AFM images. Therefore, the aggregation of GO 2D nanosheets follows the Schulze-Hardy rule, which is usually used for spherical particles. An integrative process of adsorption-transformation-aggregation is proposed to better understand the nanomaterial (e.g., GO) colloidal behavior, environmental risk, self-assembly process, and application as a novel adsorbent.
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Affiliation(s)
- Kaijie Yang
- Department of Environmental Science, Zhejiang University , Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou 310058, China
| | - Baoliang Chen
- Department of Environmental Science, Zhejiang University , Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou 310058, China
| | - Xiaoying Zhu
- Department of Environmental Science, Zhejiang University , Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou 310058, China
| | - Baoshan Xing
- Stockbridge School of Agriculture, University of Massachusetts , Amherst, Massachusetts 01003, United States
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8
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Accurate analytic intermolecular potential for the simulation of Na+ and K+ ion hydration in liquid water. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.01.029] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Alkorta I, Elguero J, Cintas P. Adding Only One Priority Rule Allows Extending CIP Rules to Supramolecular Systems. Chirality 2015; 27:339-43. [DOI: 10.1002/chir.22438] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 01/29/2015] [Accepted: 02/12/2015] [Indexed: 11/07/2022]
Affiliation(s)
- Ibon Alkorta
- Instituto de Química Médica (CSIC); Madrid Spain
| | - José Elguero
- Instituto de Química Médica (CSIC); Madrid Spain
| | - Pedro Cintas
- Departamento de Química Orgánica e Inorgánica; Facultad de Ciencias-UEX; Badajoz Spain
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10
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Hussain MA, Mahadevi AS, Sastry GN. Estimating the binding ability of onium ions with CO2 and π systems: a computational investigation. Phys Chem Chem Phys 2015; 17:1763-75. [DOI: 10.1039/c4cp03434a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The impact of increasing methyl substitution on onium ions in their complexes with CO2 and aromatic systems has been analyzed using DFT calculations.
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Affiliation(s)
- M. Althaf Hussain
- Center for Molecular Modeling
- Indian Institute of Chemical Technology
- Hyderabad 500607
- India
| | - A. Subha Mahadevi
- Center for Molecular Modeling
- Indian Institute of Chemical Technology
- Hyderabad 500607
- India
| | - G. Narahari Sastry
- Center for Molecular Modeling
- Indian Institute of Chemical Technology
- Hyderabad 500607
- India
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11
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Wang Q, Qi Y, Yin N, Lai L. Discovery of novel allosteric effectors based on the predicted allosteric sites for Escherichia coli D-3-phosphoglycerate dehydrogenase. PLoS One 2014; 9:e94829. [PMID: 24733054 PMCID: PMC3986399 DOI: 10.1371/journal.pone.0094829] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2013] [Accepted: 03/20/2014] [Indexed: 01/10/2023] Open
Abstract
D-3-phosphoglycerate dehydrogenase (PGDH) from Escherichia coli catalyzes the first critical step in serine biosynthesis, and can be allosterically inhibited by serine. In a previous study, we developed a computational method for allosteric site prediction using a coarse-grained two-state Gō Model and perturbation. Two potential allosteric sites were predicted for E. coli PGDH, one close to the active site and the nucleotide binding site (Site I) and the other near the regulatory domain (Site II). In the present study, we discovered allosteric inhibitors and activators based on site I, using a high-throughput virtual screen, and followed by using surface plasmon resonance (SPR) to eliminate false positives. Compounds 1 and 2 demonstrated a low-concentration activation and high-concentration inhibition phenomenon, with IC50 values of 34.8 and 58.0 µM in enzymatic bioassays, respectively, comparable to that of the endogenous allosteric effector, L-serine. For its activation activity, compound 2 exhibited an AC50 value of 34.7 nM. The novel allosteric site discovered in PGDH was L-serine- and substrate-independent. Enzyme kinetics studies showed that these compounds influenced Km, kcat, and kcat/Km. We have also performed structure-activity relationship studies to discover high potency allosteric effectors. Compound 2-2, an analog of compound 2, showed the best in vitro activity with an IC50 of 22.3 µM. Compounds targeting this site can be used as new chemical probes to study metabolic regulation in E. coli. Our study not only identified a novel allosteric site and effectors for PGDH, but also provided a general strategy for designing new regulators for metabolic enzymes.
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Affiliation(s)
- Qian Wang
- BNLMS, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Yifei Qi
- Center for Quantitative Biology, Peking University, Beijing, China
| | - Ning Yin
- Center for Quantitative Biology, Peking University, Beijing, China
| | - Luhua Lai
- BNLMS, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
- Center for Quantitative Biology, Peking University, Beijing, China
- * E-mail:
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12
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Enhanced Sampling in Molecular Dynamics Using Metadynamics, Replica-Exchange, and Temperature-Acceleration. ENTROPY 2013. [DOI: 10.3390/e16010163] [Citation(s) in RCA: 291] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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13
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Ansorg K, Tafipolsky M, Engels B. Cation−π Interactions: Accurate Intermolecular Potential from Symmetry-Adapted Perturbation Theory. J Phys Chem B 2013; 117:10093-102. [DOI: 10.1021/jp403578r] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kay Ansorg
- Institut
für Physikalische und Theoretische
Chemie, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Strasse 42, D-97074 Würzburg,
Germany
| | - Maxim Tafipolsky
- Institut
für Physikalische und Theoretische
Chemie, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Strasse 42, D-97074 Würzburg,
Germany
| | - Bernd Engels
- Institut
für Physikalische und Theoretische
Chemie, Universität Würzburg, Campus Hubland Nord, Emil-Fischer-Strasse 42, D-97074 Würzburg,
Germany
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Kadlubanski P, Calderón-Mojica K, Rodriguez WA, Majumdar D, Roszak S, Leszczynski J. Role of the Multipolar Electrostatic Interaction Energy Components in Strong and Weak Cation−π Interactions. J Phys Chem A 2013; 117:7989-8000. [DOI: 10.1021/jp404245q] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Pawel Kadlubanski
- Institute of Physical and Theoretical
Chemistry, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Katherine Calderón-Mojica
- Universidad de Puerto Rico en Humacao, Estacidn Postal CUH 100 Carr.908,
Humacao PR00791-4300, Puerto Rico
| | | | - D. Majumdar
- Department of Chemistry and
Biochemistry, Jackson State University,
Jackson, Mississippi 39217, United States
| | - Szczepan Roszak
- Institute of Physical and Theoretical
Chemistry, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Jerzy Leszczynski
- Department of Chemistry and
Biochemistry, Jackson State University,
Jackson, Mississippi 39217, United States
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Mahadevi AS, Sastry GN. Cation-π interaction: its role and relevance in chemistry, biology, and material science. Chem Rev 2012; 113:2100-38. [PMID: 23145968 DOI: 10.1021/cr300222d] [Citation(s) in RCA: 731] [Impact Index Per Article: 60.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- A Subha Mahadevi
- Molecular Modeling Group, CSIR-Indian Institute of Chemical Technology Tarnaka, Hyderabad 500 607, Andhra Pradesh, India
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16
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Rueda-Zubiaurre A, Herrero-García N, del Rosario Torres M, Fernández I, Osío Barcina J. Rational Design of a Nonbasic Molecular Receptor for Selective NH4+/K+Complexation in the Gas Phase. Chemistry 2012; 18:16884-9. [DOI: 10.1002/chem.201201642] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Revised: 09/16/2012] [Indexed: 11/08/2022]
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18
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Wang S, Orabi EA, Baday S, Bernèche S, Lamoureux G. Ammonium Transporters Achieve Charge Transfer by Fragmenting Their Substrate. J Am Chem Soc 2012; 134:10419-27. [DOI: 10.1021/ja300129x] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shihao Wang
- Department of Chemistry and
Biochemistry and Centre for Research in Molecular Modeling (CERMM), Concordia University, 7141 Sherbrooke Street West,
Montréal, Québec H4B 1R6, Canada
| | - Esam A. Orabi
- Department of Chemistry and
Biochemistry and Centre for Research in Molecular Modeling (CERMM), Concordia University, 7141 Sherbrooke Street West,
Montréal, Québec H4B 1R6, Canada
| | - Sefer Baday
- Swiss Institute of Bioinformatics
and Biozentrum, University of Basel, Klingelbergstrasse
50/70, CH-4056 Basel, Switzerland
| | - Simon Bernèche
- Swiss Institute of Bioinformatics
and Biozentrum, University of Basel, Klingelbergstrasse
50/70, CH-4056 Basel, Switzerland
| | - Guillaume Lamoureux
- Department of Chemistry and
Biochemistry and Centre for Research in Molecular Modeling (CERMM), Concordia University, 7141 Sherbrooke Street West,
Montréal, Québec H4B 1R6, Canada
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19
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Albertí M, Faginas Lago N. Ion size influence on the Ar solvation shells of M(+)-C6F6 clusters (M = Na, K, Rb, Cs). J Phys Chem A 2012; 116:3094-102. [PMID: 22375689 DOI: 10.1021/jp300156k] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The size-specific influence of alkali metal ions in the gradual transition from cluster rearrangement to solvation dynamics is investigated by means of molecular dynamics simulations for alkali metal cation-hexafluorobenzene systems, M(+)-C(6)F(6) (M = Na, K, Rb and Cs), surrounded by Ar atoms. To analyze such transition, different small aggregates of the M(+)-C(6)F(6)-Ar(n) (n = 1, ..., 30) type and M(+)-C(6)F(6) clusters solvated by about 500 Ar atoms are considered. The Ar-C(6)F(6) interaction contribution has been described using two different formalisms, based on the interaction decomposition in atom-bond and in atom-effective atom terms, which have been applied to study the small aggregates and to investigate the Ar solvated M(+)-C(6)F(6) clusters, respectively. The selectivity of the promoted phenomena from the M(+) ion size and their dependence from the number of Ar atoms is characterized.
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Affiliation(s)
- M Albertí
- IQTCUB, Departament de Química Física, Universitat de Barcelona, Barcelona, Spain.
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20
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Orabi EA, Lamoureux G. Cation−π and π–π Interactions in Aqueous Solution Studied Using Polarizable Potential Models. J Chem Theory Comput 2011; 8:182-93. [DOI: 10.1021/ct200569x] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Esam A. Orabi
- Department of Chemistry and Biochemistry and Centre for Research in Molecular Modeling, Concordia University, Montréal, Québec H4B 1R6, Canada
| | - Guillaume Lamoureux
- Department of Chemistry and Biochemistry and Centre for Research in Molecular Modeling, Concordia University, Montréal, Québec H4B 1R6, Canada
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21
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Kirchner B, di Dio PJ, Hutter J. Real-world predictions from ab initio molecular dynamics simulations. Top Curr Chem (Cham) 2011; 307:109-53. [PMID: 21842358 DOI: 10.1007/128_2011_195] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
In this review we present the techniques of ab initio molecular dynamics simulation improved to its current stage where the analysis of existing processes and the prediction of further chemical features and real-world processes are feasible. For this reason we describe the relevant developments in ab initio molecular dynamics leading to this stage. Among them, parallel implementations, different basis set functions, density functionals, and van der Waals corrections are reported. The chemical features accessible through AIMD are discussed. These are IR, NMR, as well as EXAFS spectra, sampling methods like metadynamics and others, Wannier functions, dipole moments of molecules in condensed phase, and many other properties. Electrochemical reactions investigated by ab initio molecular dynamics methods in solution, on surfaces as well as complex interfaces, are also presented.
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Affiliation(s)
- Barbara Kirchner
- Wilhelm-Ostwald Institute of Physical and Theoretical Chemistry, University of Leipzig, Linnéstr. 2, 04103 Leipzig, Germany.
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22
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Costanzo F, Della Valle RG. Car−Parrinello MD Simulations for the Na+−Phenylalanine Complex in Aqueous Solution. J Phys Chem B 2008; 112:12783-9. [DOI: 10.1021/jp801702v] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Francesca Costanzo
- Dipartimento di Chimica Fisica ed Inorganica, Università di Bologna, viale Risorgimento 4, I-40137 Bologna, Italy
| | - Raffaele Guido Della Valle
- Dipartimento di Chimica Fisica ed Inorganica, Università di Bologna, viale Risorgimento 4, I-40137 Bologna, Italy
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23
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Cheng J, Luo X, Yan X, Li Z, Tang Y, Jiang H, Zhu W. Research progress in cation-π interactions. ACTA ACUST UNITED AC 2008. [DOI: 10.1007/s11426-008-0082-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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24
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Costanzo F, Sulpizi M, Guido Della Valle R, Sprik M. First Principles Study of Alkali−Tyrosine Complexes: Alkali Solvation and Redox Properties. J Chem Theory Comput 2008; 4:1049-56. [DOI: 10.1021/ct8000415] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Francesca Costanzo
- Dipartimento di Chimica Fisica e Inorganica and INSTM-UdR Bologna, Universita di Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy, and, Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
| | - Marialore Sulpizi
- Dipartimento di Chimica Fisica e Inorganica and INSTM-UdR Bologna, Universita di Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy, and, Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
| | - Raffaele Guido Della Valle
- Dipartimento di Chimica Fisica e Inorganica and INSTM-UdR Bologna, Universita di Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy, and, Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
| | - Michiel Sprik
- Dipartimento di Chimica Fisica e Inorganica and INSTM-UdR Bologna, Universita di Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy, and, Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW Cambridge, U.K
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25
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Leyssens T, Peeters D, Harvey JN. Origin of Enantioselective Hydrogenation of Ketones by RuH2(diphosphine)(diamine) Catalysts: A Theoretical Study. Organometallics 2008. [DOI: 10.1021/om700940m] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tom Leyssens
- Laboratoire de Chimie Quantique, Université Catholique de Louvain, Place Louis Pasteur 1, B-1348 Louvain-la-Neuve, Belgium, and School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Daniel Peeters
- Laboratoire de Chimie Quantique, Université Catholique de Louvain, Place Louis Pasteur 1, B-1348 Louvain-la-Neuve, Belgium, and School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Jeremy N. Harvey
- Laboratoire de Chimie Quantique, Université Catholique de Louvain, Place Louis Pasteur 1, B-1348 Louvain-la-Neuve, Belgium, and School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
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26
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Huarte-Larrañaga F, Aguilar A, Lucas JM, Albertí M. Size-Specific Interaction of Alkali Metal Ions in the Solvation of M+−Benzene Clusters by Ar Atoms. J Phys Chem A 2007; 111:8072-9. [PMID: 17661453 DOI: 10.1021/jp073063d] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
The size-specific influence of the M+ alkali ion (M = Li, Na, K, Rb, and Cs) in the solvation process of the M+-benzene clusters by Ar atoms is investigated by means of molecular dynamic simulations. To fully understand the behavior observed in M+-bz-Ar(n) clusters, solvation is also studied in clusters containing either M+ or benzene only. The potential energy surfaces employed are based on a semiempirical bond-atom decomposition, which has been developed previously by some of the authors. The outcome of the dynamics is analyzed by employing radial distribution functions, studying the evolution of the distances between the Ar atoms and the alkali ion M+ or the benzene molecule for all M+-bz-Ar(n) clusters. For all members, in the M+-bz series, the benzene molecule (bz) is found to remain strongly bound to M+ even in the presence of solvent atoms. The radial distribution functions for the heavier clusters (K+-bz, Rb+-bz, and Cs+-bz), are found to be different than for the lighter (Na+-bz and Li+-bz) ones.
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Affiliation(s)
- F Huarte-Larrañaga
- Centre especial de Recerca en Química Teorica, Parc Científic de Barcelona, Josep Samitier 5, 08028 Barcelona, Spain
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27
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Carbocation–π interaction with Car–Parrinello molecular dynamics: Ab initio molecular dynamics investigation of complex of methyl cation with benzene. Chem Phys Lett 2007. [DOI: 10.1016/j.cplett.2006.12.076] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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