Suppression of chemically induced dynamic nuclear polarization enhancements by nuclei with large hyperfine coupling constants

Kuo Chu Hwang, Nicholas J. Turro, Heinz D. Roth, Charles Doubleday

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The CIDNP enhancement induced in a weakly coupled magnetic nucleus, Nw, can be suppressed in the presence of a strongly coupled nucleus, N5. This effect was observed at high fields (58.3 kG) for both biradicals and radical pairs, irrespective of whether the two magnetic nuclei belong to the same radical or to different radicals. The observed effects can be rationalized on the basis of the exact radical-pair theory. This is the first report of such phenomena.

Original languageEnglish (US)
Pages (from-to)63-67
Number of pages5
JournalJournal of physical chemistry
Volume95
Issue number1
DOIs
StatePublished - Jan 1 1991

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physical and Theoretical Chemistry

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