Transformation of a luminescent benzimidazole-based Yb3 cluster into a one-dimensional coordination polymer

Xiaoping Yang, Richard A. Jones, Michael J. Wiester, Michael M. Oye, Rick W K WONG

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)


Reaction of the benzimidazole-based ligand 2-(1H-benzoimidazol-2-yl)-4- bromo-6-methoxy-phenol (HL) with LnCl3 · 6H2O in a 4:3 mol ratio in refluxing EtOH gave the trinuclear complexes [Ln 3L4Cl4(H2O)2] • Cl · H2O • EtOH (1) (Ln = Tb (a), Er (b), Yb (c)) in 40-59% yields. Under similar conditions, but with the subsequent addition of Zn(OAc)2-2H2O to the reaction mixture, complex {[Yb 3L4(OAc)4] • Cl • EtOH}n, (2) can be isolated in 48% yield. 2 has a one- dimensional coordination structure in the solid state. All complexes display intramolecular π-π stacking and hydrogen bonded interactions in the solid state as well as lanthanide ion based luminescence in both solution and the solid.

Original languageEnglish
Pages (from-to)970-976
Number of pages7
JournalCrystal Growth and Design
Issue number2
Publication statusPublished - 3 Feb 2010

Scopus Subject Areas

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


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