Crystal and electronic structures of hydrogen-bonded 2,5-diamino-3,6- dihydroxy-p-benzoquinone

Tomoyuki Akutagawa, Takayoshi Nakamura

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Shiny green-colored single crystals of 2,5-diamino-3,6-dihydroxy-p- benzoquinone (1) were prepared from 2,3,5,6-tetrahydroxy-p-phenylenediammonium dichloride. X-ray crystal structural analysis and ab initio calculations revealed that the molecular structure of 1, a highly polarized zwitterionic structure, was similar to that of p-benzoquinone rather than that of p-quinodiimine. Furthermore, a regular π-stack and an intermolecular two-dimensional hydrogen-bonding network were observed within the crystals of 1. The green color in the solid state was attributable to the intermolecular charge-transfer interactions.

Original languageEnglish
Pages (from-to)70-74
Number of pages5
JournalCrystal Growth and Design
Volume6
Issue number1
DOIs
Publication statusPublished - 2006 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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