Synthesis and crystal structure of a one-dimensional coordination polymer containing unusual Na2Cu2 tetrametallacyclic units

  • En Qing Gao*
  • , Hai Ying Sun
  • , Dai Zheng Liao
  • , Zong Hui Jiang
  • , Shi Ping Yan
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A unique coordination polymer, {[CuLNa(CIO4)] · H 2O}n (1), was isolated from the solution containing sodium perchlorate and the neutral macrocydic oxamidocopper(II) complex [CuL] (H 2L = 2,3-dioxo-5, 6:13, 14-dibenzo-7, 12.bis(ethoxycarbonyl)-1, 4, 8, 11-tetraazacydotetradeca-7, 11-diene). The complex is composed of [Na 2Cu2] tetrametallacydes bridged by perchlorate ions to form infinite one-dimensional chains which are stacked via π-π interactions and weak coordination bonds to result in a two-dimensional supramolecular network. The perclorate ions were found to coordinate to sodium atoms in the unusual bridging chelating tridentate mode of μ2-(O: O′, O″).

Original languageEnglish
Pages (from-to)766-770
Number of pages5
JournalChinese Journal of Chemistry
Volume20
Issue number8
DOIs
StatePublished - Aug 2002
Externally publishedYes

Keywords

  • Coordination polymer
  • Crystal structure
  • Macrocyclic complex

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