2,5,8,11-Tetra-tert-butyl-peri-xanthenoxanthene and its dication spectroelectrochemistry and model calculations on a dioxa-22-π-system

Gernot Frenking, Anton Rieker, Josef Salbeck, Bernd Speiser

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Spectroelectrochemistry of 2,5,8,11-tetra-tert-butyl-peri-xanthenoxanthene 1 yields the UV/VIS spectra of the corresponding radical cation 1+ and dication 12+. The bathochromic shift for the dication 12+ relative to 1 and to the isoelectronic hydrocarbon anthanthrene (2) can be understood by quantum mechanical calculations (ab initio, AM1) of model structures.

Original languageEnglish
Pages (from-to)377-380
Number of pages4
JournalZeitschrift fur Naturforschung - Section B Journal of Chemical Sciences
Volume51
Issue number3
DOIs
StatePublished - Mar 1996
Externally publishedYes

Keywords

  • Dication
  • MO-calculations
  • Radical cation
  • Spectroelectrochemistry
  • Xanthenoxanthenes

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