1
|
Mukherjee K, Palchowdhury S, Maroncelli M. Do Electrostatics Control the Diffusive Dynamics of Solitary Water? NMR and MD Studies of Water Translation and Rotation in Dipolar and Ionic Solvents. J Phys Chem B 2024; 128:3689-3706. [PMID: 38588535 DOI: 10.1021/acs.jpcb.3c08300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
NMR-based measurements of the diffusion coefficients and rotation times of solitary water and benzene at 300 K are reported in a diverse collection of 13 conventional organic solvents and 10 imidazolium ionic liquids. Proton chemical shifts of water are found to be correlated to water OH-stretching frequencies, confirming the importance of electrostatic interactions in these shifts. However, the influence of magnetic interactions in aromatic solvents renders chemical shifts a less reliable indicator of electrostatics. Diffusion coefficients (DB) and rotational correlation times (τB) of benzene in the solvents examined are accurately described as functions of viscosity (η) by DB ∝ η-0.81 and τB ∝ η0.64. Literature values of DB and τB in alkane and normal alcohols, which were not included among the solvents studied here, are systematically faster than predicted by these correlations, indicating that factors beyond solvent viscosity play a role in determining the friction on benzene. In contrast to benzene, water diffusion and rotation are poorly described in terms of viscosity alone, even in the dipolar and ionic solvents measured here. The present data and the substantial literature data already available on dilute water diffusion show a systematic dependence of DW on solvent polarity among isoviscous solvents. The aspect of solvent polarity most relevant to water dynamics is the ability of a solvent to accept hydrogen bonds from water, as conveniently quantified by the frequency of water's OH stretching band, ΔνOH. The friction on translation, ζtr = kBT/DW, and rotation, ζrot = kBTτW, are both well correlated by functions of the form ζ(η, ΔνOH) = a1ηa2 exp (a3ΔνOH), where the ai are adjustable parameters. Molecular dynamics simulations reveal a strong coupling between electrostatic and nonelectrostatic water-solvent interactions, which makes it impossible to dissect the friction on water into additive dielectric and hydrodynamic components. Simulations also provide a tentative explanation for the unusual form of the correlating function ζ(η, ΔνOH), at least in the case of ζrot.
Collapse
Affiliation(s)
- Kallol Mukherjee
- Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Sourav Palchowdhury
- Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Mark Maroncelli
- Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| |
Collapse
|
2
|
Affiliation(s)
- Puja Banerjee
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, India
| | - Biman Bagchi
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, India
| |
Collapse
|
3
|
Banerjee P, Bagchi B. Rotational dynamics of polyatomic ions in aqueous solutions: From continuum model to mode-coupling theory, aided by computer simulations. J Chem Phys 2018; 148:224504. [PMID: 29907052 DOI: 10.1063/1.5027031] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Due to the presence of the rotational mode and the distributed surface charges, the dynamical behavior of polyatomic ions in water differs considerably from those of the monatomic ions. However, their fascinating dynamical properties have drawn scant attention. We carry out theoretical and computational studies of a series of well-known polyatomic ions, namely, sulfate, nitrate, and acetate ions. All three ions exhibit different rotational diffusivity, with that of the nitrate ion being considerably larger than the other two. They all defy the hydrodynamic laws of size dependence. Study of the local structure around the ions provides valuable insight into the origin of these differences. We carry out a detailed study of the rotational diffusion of these ions by extensive computer simulation and by using the theoretical approaches of the dielectric friction developed by Fatuzzo-Mason (FM) and Nee-Zwanzig (NZ), and subsequently generalized by Alavi and Waldeck. A critical element of the FM-NZ theory is the decomposition of the total rotational friction, ζRot, into Stokes and dielectric parts. The study shows a dominant role of dielectric friction in the sense that if the ions are made neutral, the nature of diffusion changes and the values become much larger. Our analyses further reveal that the decomposition of total friction into the Stokes and dielectric friction breaks down for sulfate ions but remains semi-quantitatively valid for nitrate and acetate ions. We discuss the relationship between translational and rotational dielectric friction on rigid spherical ions. We develop a self-consistent mode-coupling theory (SC-MCT) formalism that could provide a unified view of rotational friction of polyatomic ions in polar medium. Our SC-MCT shows that the breakdown can be attributed to the change in the microscopic structural features. The mode-coupling theory helps in elucidating the role of coupling between translational and rotational motion of these ions. In fact, these two motions self-consistently determine the value of each other. The reference interaction site model-based MCT suggests an interesting relation between the torque-torque and the force-force time correlation function with the proportionality constant being determined by the geometry and the charge distribution of the polyatomic molecule. We point out several parallelisms between the theories of translational and rotation friction calculations of ions in polar liquids.
Collapse
Affiliation(s)
- Puja Banerjee
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
| | - Biman Bagchi
- Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore 560012, India
| |
Collapse
|
4
|
Mohan A, Malathi M. Dielectric Relaxation and Thermodynamic Studies of Binary Mixtures of 2-Nitrotoluene with Primary and Secondary Alcohols at Different Temperatures. J SOLUTION CHEM 2018. [DOI: 10.1007/s10953-018-0744-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
5
|
Das A, Biswas R, Chakrabarti J. Dipolar solute rotation in ionic liquids, electrolyte solutions and common polar solvents: Emergence of universality. Chem Phys Lett 2013. [DOI: 10.1016/j.cplett.2012.12.038] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
6
|
Nagaoka SI, Uno H, Huppert D. Ultrafast Excited-State Intramolecular Proton Transfer of Aloesaponarin I. J Phys Chem B 2012; 117:4347-53. [DOI: 10.1021/jp306870y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Shin-ichi Nagaoka
- Department of Chemistry, Faculty of Science
and Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan
| | - Hidemitsu Uno
- Department of Chemistry, Faculty of Science
and Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan
| | - Dan Huppert
- Raymond and Beverly Sackler Faculty of Exact
Sciences, School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| |
Collapse
|
7
|
Presiado I, Erez Y, Gepshtein R, Koifman N, Huppert D. Pressure effect on the excited-state proton transfer from curcumin to monols. J Photochem Photobiol A Chem 2012. [DOI: 10.1016/j.jphotochem.2012.08.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
|
8
|
Daschakraborty S, Biswas R. Ultrafast solvation response in room temperature ionic liquids: Possible origin and importance of the collective and the nearest neighbour solvent modes. J Chem Phys 2012; 137:114501. [DOI: 10.1063/1.4752425] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
9
|
Erez Y, Presiado I, Gepshtein R, Huppert D. The Effect of a Mild Base on Curcumin in Methanol and Ethanol. J Phys Chem A 2012; 116:2039-48. [DOI: 10.1021/jp300003a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yuval Erez
- Raymond and Beverly Sackler
Faculty of Exact Sciences,
School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| | - Itay Presiado
- Raymond and Beverly Sackler
Faculty of Exact Sciences,
School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| | - Rinat Gepshtein
- Raymond and Beverly Sackler
Faculty of Exact Sciences,
School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| | - Dan Huppert
- Raymond and Beverly Sackler
Faculty of Exact Sciences,
School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| |
Collapse
|
10
|
Das A, Biswas R, Chakrabarti J. Solute rotation in polar liquids: Microscopic basis for the Stokes-Einstein-Debye model. J Chem Phys 2012; 136:014505. [DOI: 10.1063/1.3672508] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
|
11
|
Erez Y, Presiado I, Gepshtein R, Huppert D. Temperature Dependence of the Fluorescence Properties of Curcumin. J Phys Chem A 2011; 115:10962-71. [DOI: 10.1021/jp206176p] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Yuval Erez
- Raymond and Beverly Sackler Faculty of Exact Sciences, School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| | - Itay Presiado
- Raymond and Beverly Sackler Faculty of Exact Sciences, School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| | - Rinat Gepshtein
- Raymond and Beverly Sackler Faculty of Exact Sciences, School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| | - Dan Huppert
- Raymond and Beverly Sackler Faculty of Exact Sciences, School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel
| |
Collapse
|
12
|
Das A, Biswas R, Chakrabarti J. Dipolar Solute Rotation in a Supercritical Polar Fluid. J Phys Chem A 2011; 115:973-8. [DOI: 10.1021/jp1086398] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Amit Das
- Department of Chemical, Biological and Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sector III, Salt Lake, Kolkata-700 098, India
| | - Ranjit Biswas
- Department of Chemical, Biological and Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sector III, Salt Lake, Kolkata-700 098, India
| | - J. Chakrabarti
- Department of Chemical, Biological and Macromolecular Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sector III, Salt Lake, Kolkata-700 098, India
| |
Collapse
|
13
|
Time-resolved Stokes shift in proteins with continuum model: Slow dynamics in proteins. J Photochem Photobiol A Chem 2010. [DOI: 10.1016/j.jphotochem.2010.07.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
14
|
Navarkhele V, Bhanarkar M. Microwave dielectric response of binary mixture of N,N-dimethylformamide with propylene glycol using TDR method. Mol Phys 2009. [DOI: 10.1080/00268970903084912] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
15
|
Polar and Nonpolar Solvation Dynamics, Ion Diffusion, and Vibrational Relaxation: Role of Biphasic Solvent Response in Chemical Dynamics. ADVANCES IN CHEMICAL PHYSICS 2007. [DOI: 10.1002/9780470141687.ch4] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
|
16
|
Suzuki Y, Tanimura Y. Free energy landscapes of electron transfer system in dipolar environment below and above the rotational freezing temperature. J Chem Phys 2007; 126:054504. [PMID: 17302482 DOI: 10.1063/1.2431172] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Electron transfer reaction in a polar solvent is modeled by a solute dipole surrounded by dipolar molecules with simple rotational dynamics posted on the three-dimensional distorted lattice sites. The interaction energy between the solute and solvent dipoles as a reaction coordinate is adopted and free energy landscapes are calculated by generating all possible states for a 26 dipolar system and by employing Wang-Landau sampling algorithm for a 92 dipolar system. For temperatures higher than the energy scale of dipole-dipole interactions, the free energy landscapes for the small reaction coordinate region have quadratic shape as predicted by Marcus [Rev. Mod. Phys. 65, 599 (1993)] whereas for the large reaction coordinate region, the landscapes exhibit a nonquadratic shape. When the temperature drops, small notched structures appear on the free energy profiles because of the frustrated interactions among dipoles. The formation of notched structure is analyzed with statistical approach and it is shown that the amplitude of notched structure depend upon the segment size of the reaction coordinate and is characterized by the interaction energy among the dipoles. Using simulated free energy landscapes, the authors calculate the reaction rates as a function of the energy gap for various temperatures. At high temperature, the reactions rates follow a bell shaped (inverted parabolic) energy gap law in the small energy gap regions, while it becomes steeper than the parabolic shape in a large energy gap regions due to the nonquadratic shape of the free energy landscape. The peak position of parabola also changes as the function of temperature. At low temperature, the profile of the reaction rates is no longer smooth because of the many local minima of the free energy landscape.
Collapse
Affiliation(s)
- Yohichi Suzuki
- Department of Chemistry, Kyoto University, Oiwakecho, Kitashirakawa, Sakyoku, Kyoto 606-8502, Japan
| | | |
Collapse
|
17
|
Borovkov V. On the question of the ratio between diffusion coefficients of radical ions and their parent molecules in solution. Chem Phys Lett 2007. [DOI: 10.1016/j.cplett.2006.12.059] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
18
|
Suzuki Y, Tanimura Y. Free energy landscape analysis of two-dimensional dipolar solvent model at temperatures below and above the rotational freezing point. J Chem Phys 2006; 124:124508. [PMID: 16599698 DOI: 10.1063/1.2178785] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Ionic solvation in a polar solvent is modeled by a central charge surrounded by dipolar molecules posted on two-dimensional distorted lattice sites with simple rotational dynamics. Density of states is calculated by applying the Wang-Landau algorithm to both the energy and polarization states. The free energy landscapes of solvent molecules as a function of polarization are depicted to explore the competition between the thermal fluctuation and solvation energy. Without a central charge, for temperatures higher than the energy scale of the dipole-dipole interactions, the energy landscape for the small polarization region exhibits a parabolic shape as predicted by Marcus [Rev. Mod. Phys. 65, 599 (1993)] for electron transfer reaction, while there is an additional quartic contribution to the landscape for the large polarization region. When the temperature drops, the simulated free energy landscapes are no longer smooth due to the presence of multiple local minima arising from the frustrated interaction among the dipoles. The parabolic contribution becomes negligible and the energy landscape becomes quartic in shape. For a strong central charge, the energy landscape exhibits an asymmetric profile due to the contributions of linear and cubic terms that arise from the charge-dipole interactions.
Collapse
Affiliation(s)
- Yohichi Suzuki
- Department of Chemistry, Kyoto University, Oiwakecho, Kitashirakawa, Sakyoku, Kyoto 606-8502, Japan.
| | | |
Collapse
|
19
|
Halle B. Protein hydration dynamics in solution: a critical survey. Philos Trans R Soc Lond B Biol Sci 2004; 359:1207-23; discussion 1223-4, 1323-8. [PMID: 15306377 PMCID: PMC1693401 DOI: 10.1098/rstb.2004.1499] [Citation(s) in RCA: 387] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The properties of water in biological systems have been studied for well over a century by a wide range of physical techniques, but progress has been slow and erratic. Protein hydration--the perturbation of water structure and dynamics by the protein surface--has been a particularly rich source of controversy and confusion. Our aim here is to critically examine central concepts in the description of protein hydration, and to assess the experimental basis for the current view of protein hydration, with the focus on dynamic aspects. Recent oxygen-17 magnetic relaxation dispersion (MRD) experiments have shown that the vast majority of water molecules in the protein hydration layer suffer a mere twofold dynamic retardation compared with bulk water. The high mobility of hydration water ensures that all thermally activated processes at the protein-water interface, such as binding, recognition and catalysis, can proceed at high rates. The MRD-derived picture of a highly mobile hydration layer is consistent with recent molecular dynamics simulations, but is incompatible with results deduced from intermolecular nuclear Overhauser effect spectroscopy, dielectric relaxation and fluorescence spectroscopy. It is also inconsistent with the common view of hydration effects on protein hydrodynamics. Here, we show how these discrepancies can be resolved.
Collapse
Affiliation(s)
- Bertil Halle
- Department of Biophysical Chemistry, Lund University, SE-22100 Lund, Sweden.
| |
Collapse
|
20
|
Gustavsson T, Cassara L, Marguet S, Gurzadyan G, van der Meulen P, Pommeret S, Mialocq JC. Rotational diffusion of the 7-diethylamino-4-methylcoumarin C1 dye molecule in polar protic and aprotic solvents. Photochem Photobiol Sci 2003; 2:329-41. [PMID: 12713235 DOI: 10.1039/b211755j] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fluorescence anisotropy decays of the 7-diethylamino-4-methylcoumarin C1 in various polar solvents of different viscosities and hydrogen bond donor/acceptor character have been recorded by means of the fluorescence upconversion and time-correlated single photon counting techniques. The resulting characteristic times for the rotational diffusion fall into two classes with regards to the viscosity-dependency: n-alcohols and "other" solvents. This deviation from the simple Stokes-Einstein-Debye model may be interpreted in terms of rotation of the coumarin molecule under two different hydrodynamic boundary-conditions ("stick" or "slip") in the two solvent classes. Possible explanations for this behaviour are discussed, and in particular solvent attachment and additional dielectric friction. Both these phenomena may in fact, under certain conditions, explain our findings. Our opinion, however, is that the dielectric friction model offers a more realistic picture of the additional rotational friction experienced by C1 in n-alcohols.
Collapse
Affiliation(s)
- T Gustavsson
- CEA/Saclay, DSM/DRECAM/SCM, URA 331 CNRS, Laboratoire Claude Fréjacques, F-91191 Gif-sur-Yvette Cedex, France
| | | | | | | | | | | | | |
Collapse
|
21
|
Ernsting NP, Photiadis GM, Hennig H, Laurent T. Rotational Friction Kernel in Water from the Femtosecond Time-Resolved Optical Kerr Effect of Acetonitrile/Water Mixtures. J Phys Chem A 2002. [DOI: 10.1021/jp0260649] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Niko P. Ernsting
- Department of Chemistry, Humboldt University, Brook-Taylor-Strasse 2, D-12489 Berlin, Germany
| | - George M. Photiadis
- Department of Chemistry, Humboldt University, Brook-Taylor-Strasse 2, D-12489 Berlin, Germany
| | - Horst Hennig
- Department of Chemistry, Humboldt University, Brook-Taylor-Strasse 2, D-12489 Berlin, Germany
| | - Thomas Laurent
- Department of Chemistry, Humboldt University, Brook-Taylor-Strasse 2, D-12489 Berlin, Germany
| |
Collapse
|
22
|
Sluch MI, Somoza MM, Berg MA. Friction on Small Objects and the Breakdown of Hydrodynamics in Solution: Rotation of Anthracene in Poly(isobutylene) from the Small-Molecule to Polymer Limits. J Phys Chem B 2002. [DOI: 10.1021/jp025549u] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mikhail I. Sluch
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208
| | - Mark M. Somoza
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208
| | - Mark A. Berg
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208
| |
Collapse
|
23
|
Asbury JB, Wang Y, Lian T. Time-Dependent Vibration Stokes Shift during Solvation: Experiment and Theory. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2002. [DOI: 10.1246/bcsj.75.973] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
|
24
|
Dattelbaum DM, Meyer TJ. Metal-to-Ligand Charge Transfer Excited-State ν(CO) Shifts in Rigid Media. J Phys Chem A 2002. [DOI: 10.1021/jp014057z] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dana M. Dattelbaum
- Department of Chemistry, CB 3290, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, and Los Alamos National Laboratory, MS A127, Los Alamos, New Mexico 87545
| | - Thomas J. Meyer
- Department of Chemistry, CB 3290, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3290, and Los Alamos National Laboratory, MS A127, Los Alamos, New Mexico 87545
| |
Collapse
|
25
|
|
26
|
Siavosh-Haghighi A, Adams JE. Rotational Relaxation in a Nondipolar Supercritical Fluid: Toluene in CO2. J Phys Chem A 2001. [DOI: 10.1021/jp003787o] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ali Siavosh-Haghighi
- Department of Chemistry, University of Missouri-Columbia, Columbia, Missouri 65211-7600
| | - John E. Adams
- Department of Chemistry, University of Missouri-Columbia, Columbia, Missouri 65211-7600
| |
Collapse
|
27
|
|
28
|
Murashov VV, Patey GN. Structure formation in dipolar fluids driven by rotating fields. J Chem Phys 2000. [DOI: 10.1063/1.481641] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
29
|
|
30
|
Jang J, Stratt RM. The short-time dynamics of molecular reorientation in liquids. II. The microscopic mechanism of rotational friction. J Chem Phys 2000. [DOI: 10.1063/1.481351] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
|
31
|
Kumar PV, Maroncelli M. The non-separability of “dielectric” and “mechanical” friction in molecular systems: A simulation study. J Chem Phys 2000. [DOI: 10.1063/1.481107] [Citation(s) in RCA: 52] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
32
|
Wendt H, Richert R. Heterogeneous relaxation patterns in supercooled liquids studied by solvation dynamics. PHYSICAL REVIEW. E, STATISTICAL PHYSICS, PLASMAS, FLUIDS, AND RELATED INTERDISCIPLINARY TOPICS 2000; 61:1722-1728. [PMID: 11046457 DOI: 10.1103/physreve.61.1722] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/1999] [Indexed: 05/23/2023]
Abstract
We have measured the solvation dynamics of a dipolar supercooled liquid near its glass transition in a temperature range in which the average structural relaxation time varies more than four orders of magnitude. The analysis of the time dependent average emission energy and the inhomogeneous linewidth of the S0<--T1(0-0) transition reveals that the orientation correlation decay pattern intrinsic in each relaxing unit is associated with a stretching exponent beta(intr)=1.00+/-0.08 in the entire range T(g)</=T</=T(g)+6 K. Our analysis also allows one to detect fluctuations in terms of the resulting apparent homogeneity within the long time tail of the decay. Even at times significantly exceeding the average structural relaxation time, no sign of a transition towards purely exponential or otherwise homogeneous behavior could be observed. This implies that even at t approximately 50<tau>(KWW) the individual time constants remain correlated to their initial values at t=0.
Collapse
Affiliation(s)
- H Wendt
- Max-Planck-Institut fur Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
| | | |
Collapse
|
33
|
Wiemers K, Kauffman JF. Dielectric Friction and Rotational Diffusion of Hydrogen Bonding Solutes. J Phys Chem A 1999. [DOI: 10.1021/jp9911503] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kathy Wiemers
- Department of Chemistry, University of MissouriColumbia, 123 Chemistry Building, Columbia, Missouri 65211
| | - John F. Kauffman
- Department of Chemistry, University of MissouriColumbia, 123 Chemistry Building, Columbia, Missouri 65211
| |
Collapse
|
34
|
Ladanyi BM, Stratt RM. On the role of dielectric friction in vibrational energy relaxation. J Chem Phys 1999. [DOI: 10.1063/1.479469] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
|
35
|
Analytical theory of time-resolved fluorescence anisotropy and dynamic stokes shift of polar solute molecules based on continuum model for solvent. Chem Phys 1998. [DOI: 10.1016/s0301-0104(98)00196-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
36
|
Spectroscopic study of 4-aminobenzophenone in supercritical CF3H and CO2: local density and Onsager's reaction cavity radius. Chem Phys Lett 1998. [DOI: 10.1016/s0009-2614(97)01274-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
37
|
Affiliation(s)
- Arno Papazyan
- Department of Chemistry, University of Southern California, Los Angeles, California 90089
| | - Arieh Warshel
- Department of Chemistry, University of Southern California, Los Angeles, California 90089
| |
Collapse
|
38
|
Choi M, Jin D, Kim H, Kang TJ, Jeoung SC, Kim D. Fluorescence Anisotropy of Nile Red and Oxazine 725 in an Isotropic Liquid Crystal. J Phys Chem B 1997. [DOI: 10.1021/jp971157p] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | - Tai Jong Kang
- Department of Chemistry, College of Natural Sciences, Taegu University, Kyungsan 712-714, Korea
| | | | | |
Collapse
|
39
|
Stephens MD, Saven JG, Skinner JL. Molecular theory of electronic spectroscopy in nonpolar fluids: Ultrafast solvation dynamics and absorption and emission line shapes. J Chem Phys 1997. [DOI: 10.1063/1.473144] [Citation(s) in RCA: 143] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
40
|
Horng ML, Gardecki JA, Maroncelli M. Rotational Dynamics of Coumarin 153: Time-Dependent Friction, Dielectric Friction, and Other Nonhydrodynamic Effects. J Phys Chem A 1997. [DOI: 10.1021/jp962921v] [Citation(s) in RCA: 302] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M.-L. Horng
- Department of Chemistry, 152 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
| | - J. A. Gardecki
- Department of Chemistry, 152 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
| | - M. Maroncelli
- Department of Chemistry, 152 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
| |
Collapse
|
41
|
Maroncelli M. Continuum estimates of rotational dielectric friction and polar solvation. J Chem Phys 1997. [DOI: 10.1063/1.473276] [Citation(s) in RCA: 67] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
42
|
Richert R. Geometrical confinement and cooperativity in supercooled liquids studied by solvation dynamics. PHYSICAL REVIEW. B, CONDENSED MATTER 1996; 54:15762-15766. [PMID: 9985644 DOI: 10.1103/physrevb.54.15762] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
43
|
Matyushov DV, Schmid R. A thermodynamic analysis of solvation in dipolar liquids. J Chem Phys 1996. [DOI: 10.1063/1.472333] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
44
|
Yoshimori A. Nonlinear terms due to many‐particle correlation in the density functional theory. J Chem Phys 1996. [DOI: 10.1063/1.471700] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
45
|
Streck C, Mel'nichenko YB, Richert R. Dynamics of solvation in supercooled liquids confined to the pores of sol-gel glasses. PHYSICAL REVIEW. B, CONDENSED MATTER 1996; 53:5341-5347. [PMID: 9984139 DOI: 10.1103/physrevb.53.5341] [Citation(s) in RCA: 74] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
46
|
Bursulaya BD, Zichi DA, Kim HJ. Molecular Dynamics Simulation Study of Polarizable Solute Solvation in Water. 1. Equilibrium Solvent Structure and Solute Rotational Dynamics. ACTA ACUST UNITED AC 1996. [DOI: 10.1021/jp952286d] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Badry D. Bursulaya
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2683, and NeXstar Pharmaceuticals, Inc., 2860 Wilderness Place, Boulder, Colorado 80301
| | - Dominic A. Zichi
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2683, and NeXstar Pharmaceuticals, Inc., 2860 Wilderness Place, Boulder, Colorado 80301
| | - Hyung J. Kim
- Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213-2683, and NeXstar Pharmaceuticals, Inc., 2860 Wilderness Place, Boulder, Colorado 80301
| |
Collapse
|
47
|
Imeshev G, Khundkar LR. Inhomogeneous rotational dynamics of a rodlike probe in 1‐propanol. J Chem Phys 1995. [DOI: 10.1063/1.470144] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
48
|
Gardecki J, Horng M, Papazyan A, Maroncelli M. Ultrafast measurements of the dynamics of solvation in polar and non-dipolar solvents. J Mol Liq 1995. [DOI: 10.1016/0167-7322(95)00844-0] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
|
49
|
Kumar PV, Maroncelli M. Polar solvation dynamics of polyatomic solutes: Simulation studies in acetonitrile and methanol. J Chem Phys 1995. [DOI: 10.1063/1.470493] [Citation(s) in RCA: 260] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
|