Comparison of the bond lengths for the lanthanide complexes of tripodal heptadentate ligands

The preparation and characterization of Ln(III) complexes (Ln=Sm, Yb) of tripodal heptadentate ligand trensal, tris[2-(salicylideneamino)ethyl]amine (H 3L 1) have been studied. The molecular structures of [LnL 1] were determined by X-ray structural analysis; these are heptadentate complexes in which...

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Bibliographic Details
Published in:Journal of alloys and compounds 2004-07, Vol.374 (1), p.307-310
Main Authors: Kanesato, Masatoshi, Mizukami, Shin, Houjou, Hirohiko, Tokuhisa, Hideo, Koyama, Emiko, Nagawa, Yoshinobu
Format: Article
Language:English
Subjects:
Bond lengths for complexes
Crystal structures
Exact sciences and technology
Lanthanide complexes
Physics
Tripodal ligand
Yttrium complexes
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Summary:The preparation and characterization of Ln(III) complexes (Ln=Sm, Yb) of tripodal heptadentate ligand trensal, tris[2-(salicylideneamino)ethyl]amine (H 3L 1) have been studied. The molecular structures of [LnL 1] were determined by X-ray structural analysis; these are heptadentate complexes in which the metal ions are coordinated by the three oxygen atoms and the four nitrogen atoms. [LnL 1] is a novel example because the coordination number is seven in the wide range of the series of [LnL 1] (Ln=Y, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu). This has made it possible to compare the bond lengths for the lanthanide and yttrium complexes under the same coordination number.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2003.11.096