Potential propelling and rotating functions of propeller-type complexes. I. Preparation and molecular dynamics simulation of tris(S-2,3-diaminopropionato) cobalt(III)

Hong Ling Liu, Hiroyuki Ishida, Yuzo Yoshikawa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Four optically active geometric isomers of tris(S-2,3-diaminopropionato) cobalt(III) were prepared and separated by ion-exchange column chromatography on SP-Sephadex (C-25). The identification of the four diastereomers is based on the elution order of the complexes, elemental analysis, electronic spectra, circular dichroism spectra, 13C NMR spectra, X-ray structure analysis and comparison of these properties with those of analogous series consisting of three isomers of the bis(S-2,3-diaminopropionato)cobalt(III) ion. Structure optimization and molecular dynamics (MD) simulation of the system, consisting of the propeller-type complex fac-tris(S-2,3-diaminopropionato)cobalt(III) and 240 water molecules, were performed using AMBER 6. The results of the MD simulation suggest that distinct propelling and rotating behavior can be obtained in this complex in aqueous solution.

Original languageEnglish
Pages (from-to)343-354
Number of pages12
JournalJournal of Coordination Chemistry
Volume58
Issue number4
DOIs
Publication statusPublished - Mar 10 2005

Keywords

  • Cobalt(III)
  • Molecular dynamics simulation
  • Propeller-type complexes
  • Propelling and rotating functions

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Materials Chemistry

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