Measurement of the enhancement factor of chemically induced dynamic nuclear polarization in the photolysis of dibenzyl ketone: Determination of the spin multiplicity of the precursor

Tomomi Sakata, Satoshi Takahashi, Masahide Terazima, Tohru Azumi

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The enhancement factor of chemically induced dynamic nuclear polarization (CIDNP) in the photolysis of dibenzyl ketone is measured by using the rf pulse technique and temperature dependence of the CIDNP intensity and of the consumption rate constant. The experimental results of the enhancement factor and the yield of the cage product are then compared with the theoretical value under high magnetic field approximation. On the basis of the result, we conclude that the main precursor of the photolysis of dibenzyl ketone especially in chloroform solvent is the singlet state.

Original languageEnglish
Pages (from-to)8671-8676
Number of pages6
JournalJournal of physical chemistry
Volume95
Issue number22
DOIs
Publication statusPublished - 1991

ASJC Scopus subject areas

  • Engineering(all)
  • Physical and Theoretical Chemistry

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