Investigation of the dynamic behavior of bisumanenyl

Binod Babu Shrestha, Sangita Karanjit, Shuhei Higashibayashi, Toru Amaya, Toshikazu Hirao, Hidehiro Sakurai

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


The behavior of bisumanenyl is dynamic as a result of inversion of each of its sumanene bowls and rotation between the two bowls. This behavior was fully elucidated by a combination of NMR experiments and density functional theory calculations. The MM (or PP) and MP diastereomers are in thermodynamic equilibrium at room temperature and the MM (PP) diastereomer is 1.4-1.9kcalmol-1 more stable than MP diastereomer. The calculated energy for inversion between the two forms of the bowl is 19.2kcalmol-1. The MM (PP) and MP diastereomers have two rotational stable conformers that rapidly interconvert as a result of the low rotational energy barriers, which were calculated to be 3.9 and 8.9kcalmol-1, respectively.

Original languageEnglish
Pages (from-to)62-68
Number of pages7
JournalAsian Journal of Organic Chemistry
Issue number1
Publication statusPublished - 2015 Jan 1
Externally publishedYes


  • Bisumanenyl
  • Bowl inversion
  • Conformation analysis
  • Polyaromatic hydrocarbons
  • Sumanene

ASJC Scopus subject areas

  • Organic Chemistry


Dive into the research topics of 'Investigation of the dynamic behavior of bisumanenyl'. Together they form a unique fingerprint.

Cite this