Coordination polymers of lanthanides incorporating N,N′- ethylenebis(2-hydroxy-1-naphthylideneiminato): Syntheses and crystal structures

Wenqian Chen, Yanmei Chen, Wei Liu, Tao Lei, Qian Gao, Damin Kim, David Su, Wu Li, Yahong Li

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Reaction of Ln(NO3)3·6H2O with H2napn (H2napn=N,N′-ethylenebis(2-hydroxy-1- naphthylideneiminato)) and KSCN produces seven new coordination polymers, [La(H2napn) (SCN)(C2H5OH)2(NO 3)2]n (1), [La(H2napn) 2(SCN)(NOM3)2]n (2), and [Ln(H 2napn)1.5(NO3)3]n [Ln=La(3), Sm(4), Eu(5), Dy(6), Er(7)]. Crystal structure analysis reveals that H2napn functions as a bridging ligand, forming a 1-D chain polymer (1) and 2-D open-frameworks (2-7) with lanthanides. Each metal center of 1-7 is nine-coordinate. Lanthanide contraction is observed in 3-7.

Original languageEnglish
Pages (from-to)4430-4440
Number of pages11
JournalJournal of Coordination Chemistry
Volume65
Issue number24
DOIs
Publication statusPublished - 2012

Keywords

  • Crystal structure
  • Lanthanide complexes
  • Schiff-base phthalen-ol

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Materials Chemistry

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