Solvation and rotational dynamics in acetonitrile/propylene carbonate mixtures: A binary system for use in dynamical solvent effect studies

J. A. Gardecki; M. Maroncelli

doi:10.1016/S0009-2614(99)00056-1

Solvation and rotational dynamics in acetonitrile/propylene carbonate mixtures: A binary system for use in dynamical solvent effect studies

J. A. Gardecki, M. Maroncelli

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Abstract

Equilibrium and nonequilibrium solvation properties as measured by the Stokes shift of coumarin 153 are reported for a series of acetonitrile/propylene carbonate binary mixtures at room temperature. Steady-state spectroscopy shows that the solvent reorganization energy is independent of composition in this mixture. Solvation and rotational times vary nearly ten-fold between the pure solvent limits, in a manner that is correlated to bulk solution viscosity. The wide range of solvation times together with the constant solvent reorganization energy should render this binary system useful for investigating dynamical solvent effects on charge-transfer processes.

Original language	English (US)
Pages (from-to)	571-578
Number of pages	8
Journal	Chemical Physics Letters
Volume	301
Issue number	5-6
DOIs	https://doi.org/10.1016/S0009-2614(99)00056-1
State	Published - Mar 5 1999

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physical and Theoretical Chemistry

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10.1016/S0009-2614(99)00056-1

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title = "Solvation and rotational dynamics in acetonitrile/propylene carbonate mixtures: A binary system for use in dynamical solvent effect studies",

abstract = "Equilibrium and nonequilibrium solvation properties as measured by the Stokes shift of coumarin 153 are reported for a series of acetonitrile/propylene carbonate binary mixtures at room temperature. Steady-state spectroscopy shows that the solvent reorganization energy is independent of composition in this mixture. Solvation and rotational times vary nearly ten-fold between the pure solvent limits, in a manner that is correlated to bulk solution viscosity. The wide range of solvation times together with the constant solvent reorganization energy should render this binary system useful for investigating dynamical solvent effects on charge-transfer processes.",

author = "Gardecki, {J. A.} and M. Maroncelli",

note = "Funding Information: This work was supported by funds from the Division of Basic Energy Sciences of the US Department of Energy.",

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T1 - Solvation and rotational dynamics in acetonitrile/propylene carbonate mixtures

T2 - A binary system for use in dynamical solvent effect studies

AU - Gardecki, J. A.

AU - Maroncelli, M.

N1 - Funding Information: This work was supported by funds from the Division of Basic Energy Sciences of the US Department of Energy.

PY - 1999/3/5

Y1 - 1999/3/5

N2 - Equilibrium and nonequilibrium solvation properties as measured by the Stokes shift of coumarin 153 are reported for a series of acetonitrile/propylene carbonate binary mixtures at room temperature. Steady-state spectroscopy shows that the solvent reorganization energy is independent of composition in this mixture. Solvation and rotational times vary nearly ten-fold between the pure solvent limits, in a manner that is correlated to bulk solution viscosity. The wide range of solvation times together with the constant solvent reorganization energy should render this binary system useful for investigating dynamical solvent effects on charge-transfer processes.

AB - Equilibrium and nonequilibrium solvation properties as measured by the Stokes shift of coumarin 153 are reported for a series of acetonitrile/propylene carbonate binary mixtures at room temperature. Steady-state spectroscopy shows that the solvent reorganization energy is independent of composition in this mixture. Solvation and rotational times vary nearly ten-fold between the pure solvent limits, in a manner that is correlated to bulk solution viscosity. The wide range of solvation times together with the constant solvent reorganization energy should render this binary system useful for investigating dynamical solvent effects on charge-transfer processes.

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Solvation and rotational dynamics in acetonitrile/propylene carbonate mixtures: A binary system for use in dynamical solvent effect studies

Abstract

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