Direct observation of a hydrogen-bonded charge-transfer state of 4-dimethylaminobenzonitrile in methanol by time-resolved IR spectroscopy

Wai Ming Kwok, Michael W. George, David C. Grills, Chensheng Ma, Pavel Matousek, Anthony W. Parker, David Phillips, William T. Toner, Michael Towrie

Research output: Journal PublicationArticlepeer-review

90 Citations (Scopus)
Plum Print visual indicator of research metrics
  • Citations
    • Citation Indexes: 90
  • Captures
    • Readers: 40
see details

Abstract

Anomalies in the fluorescence spectra of dual fluorescence molecules explained? A comparison of the time-resolved I R absorption of the C≡N band of photoexcited 4-dimethylaminobenzonitrile in MeCN and MeOH provides the first direct observation of the formation of a hydrogen-bonded intramolecular charge-transfer (ICT) state in MeOH and its coexistence with a "free" ICT state (see picture). The so-called dual fluorescence will be triple, not dual.

Original languageEnglish
Pages (from-to)1826-1830
Number of pages5
JournalAngewandte Chemie - International Edition
Volume42
Issue number16
DOIs
Publication statusPublished - 25 Apr 2003
Externally publishedYes

Keywords

  • Charge transfer
  • Cyanides
  • Fluorescence
  • Hydrogen bonds
  • IR spectroscopy
  • Time-resolved spectroscopy

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry

Fingerprint

Dive into the research topics of 'Direct observation of a hydrogen-bonded charge-transfer state of 4-dimethylaminobenzonitrile in methanol by time-resolved IR spectroscopy'. Together they form a unique fingerprint.

Cite this

Kwok, W. M., George, M. W., Grills, D. C., Ma, C., Matousek, P., Parker, A. W., Phillips, D., Toner, W. T., & Towrie, M. (2003). Direct observation of a hydrogen-bonded charge-transfer state of 4-dimethylaminobenzonitrile in methanol by time-resolved IR spectroscopy. Angewandte Chemie - International Edition, 42(16), 1826-1830. https://doi.org/10.1002/anie.200219816