Bibliography and Indexes
Data, singlet and triplet state energies, quantum yields of fluorescence and intersystem crossing, and measured lifetimes for singlet and triplet state decay, are selected for representative polar and nonpolar solvents.
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Ordered by increasing energy, triplet-state energies, in both polar(p) and nonpolar(n) media when available, are listed for more than 1000 organic species. The energies have been taken mainly from three types of experiment: singlet-triplet absorption spectra, phosphorescence spectra (short-wavelength band), and triplet acceptor photosensitization.
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Brings together information pertinent to designing triplet-triplet energy transfer experiments in flash photolysis. These experiments are central to triplet-sensitized photochemistry, measurements of triplet quenching rates, and estimations of many triplet-triplet extinction coefficients. Triplet state energies, formation yields and decay time, together with singlet state absorptiona data are taken from representative polar or nonpolar media. Following a categorization scheme developed in the course of an extensive compilation of triplet-triplet absorption spectra, the appropriate solvent distinction for triplet state absorption parameters is benzenoid versus nonbenzenoid.
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Compiles phosphorescence yields and lifetimes, fluorescence yield and lifetimes, and triplet state energies and quantum yields of formation at low temperatures, usually (77 K).
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Contains absorption spectra for 35 common photosensitizers and/or excited-state quenchers
Zero-field splitting parameters (D and E values) for the excited triplet states of more than 200 organic molecules, in representative polar and nonpolar (but specified) media are contained here. Where only minimum magnetic field transitions are detected, only D* values are reported.
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Diffusion-Controlled Rate Constants
Contains a convenient tabulation of computed diffusion-controlled rate constants for a number of common solvents at room temperature.
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Contains a representative sample of the available quenching rate constants of excited singlet species. Quenchers are (partially) grouped according to the mechanism of the quenching event, as exciplex formation, energy transfer, oxidative or reductive chemistry, with H abstraction in the last -mentioned category.
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The unimolecular lifetimes of the triplet
states are usually long enough so that diffusion of excited states and
quenchers toward each other can compete favorably with intersystem crossing
and phosphorescence. Quenchers are grouped by quenching mechanism: reductive transfer, including H-abstraction; oxidative transfer, mostly methyl viologen; energy transfer (most common) and charge transfer, which may be interpreted as exciplex formation.
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Contains tables of data derived from gas-phase measurements relevant, together with redox potentials, for the study of exciplexes and electron-transfer processes.
- Ionization Energies of Some Electron Donors
- Ionization Energies and Electron Affinities of Alkenes, Dienes, and Alkynes
- Ionization Energies and Electron Affinities of Aromatics
- Ionization Energies and Electron Affinities of Some Electron Acceptors
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Contains mainly oxidation and reduction half-wave potentials from the electrochemistry of organic solutions, data relevant, together with ionization potentials and electron affinities, for the study of exciplexes and electron-transfer processes.
- Halfwave Oxidation Potentials of Some Electron Donors
- Halfwave Potentials of Aromatic Hydrocarbons
- Halfwave Potentials and Singlet Energies of Naphthalenes
- Halfwave Reduction Potentials of Azaaromatics
- Halfwave Reduction Potentials of Carbonyls
- Halfwave Reduction Potentials of Nitriles
- Halfwave Reduction Potentials of Some Halogenated Benzenes
- Miscellaneous Halfwave Reduction Potentials
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- Bond Dissociation Energies (kJ/mol) of Single Bonds
- Bond Dissociation Energies (kJ/mol) of Small Molecules
- Bond Dissociation Energies of Peroxides and Multiple Bonds
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- Physical Properties of Solvents
- Ultraviolet Transmission of Solvents
- Oxygen Concentration in Solvents
- Low-Temperature Organic Glasses for Spectroscopy
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- Potassium Ferrioxalate Actinometry
- Uranyl Oxalate Actinometry
- Benzophenone-Benzhydrol Actinometry
- 2-Hexanone Actinometry
- Ketone-Pentadiene Actinometry
- Other Actinometers
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- References
- Compound Name Index
- Molecular Formula Index
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This document prepared by Ian Carmichael
e-mail: ndrlrcdc@nd.edu
Ordering info.
Work supported by:
Office of Basic Energy Sciences
United States Department of Energy
Standard Reference Data
National Institute of Standards and Technology
Last update: Mar. 17, 2005