Nickel(II)-lanthanide(III) complexes of the dinucleating ligand N,N'-bis(3-hydroxysalicylidene)ethylenediamine

Masatomi Sakamoto, Yuzo Nishida, Akira Matsumoto, Yoshihiko Sadaoka, Masahiro Sakai, Yutaka Fukuda, Masaaki Ohba, Hiroshi Sakiyama, Naohide Matsumoto, Hisashi Okawa

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Abstract

Heteronuclear nickel(II)-lanthanide(III) complexes, NiLn(dhbaen)(NO3)(H2O)2 (Ln = La, Eu or Gd), and a mononuclear Eu(III) complex, Eu(Hdhbaen)(H2O)3, were synthesized, where H4dhbaen denotes N,N′-bis(3-hydroxysalicylidene) ethylenediamine. IR spectra shows that Ni(II) and Ln(III) ions are located at the endogenous N2O2- and exogenous O4-coordination sites of ligand, respectively. Based on CD spectra, it was concluded that amino alcohols are specifically bound at the Ni(II)-Ln(III) heterometal centre, through the nitrogen to the Ni-site and through the oxygen to the Ln-site. The fluorescence intensity of the mononuclear Eu(III) complex is much greater than that of the heteronuclear Ni(II)-Eu(III) complex.

Original languageEnglish
Pages (from-to)347-354
Number of pages8
JournalJournal of Coordination Chemistry
Volume38
Issue number4
DOIs
Publication statusPublished - Jan 1 1996

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Materials Chemistry

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    Sakamoto, M., Nishida, Y., Matsumoto, A., Sadaoka, Y., Sakai, M., Fukuda, Y., Ohba, M., Sakiyama, H., Matsumoto, N., & Okawa, H. (1996). Nickel(II)-lanthanide(III) complexes of the dinucleating ligand N,N'-bis(3-hydroxysalicylidene)ethylenediamine. Journal of Coordination Chemistry, 38(4), 347-354. https://doi.org/10.1080/00958979608024528