We report here a structural and photophysical study of lanthanide complexes with the di-deprotonated form of the bibracchial lariat ether N,N'-bis(2-salicylaldiminobenzyl)-4,10-diaza-12-crown-4 (L(3)) (Ln = Ho(III)-Lu(III)). The X-ray crystal structures of [Ho(L(3)-2H)](ClO(4)) (1) and [Er(L(3)()-2H)](ClO(4)) (2) show the metal ion being eight-coordinate and deeply buried in the cavity of the dianionic receptor. Both sidearms of L(3) are on the same side of the crown moiety, resulting in a sy...Expand abstract
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Structural and photophysical properties of lathanide(III) complexes with a novel octadentate iminophenolate bibracchial lariat ether.
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