Abstract
The air- and moisture-sensitive title compound, [Tb(C5H5)2(C14H12NO2)], was synthesized from tris-(cyclo-penta-dien-yl)(tetra-hydro-furan)-terbium and 2-{[(2-meth-oxy-phen-yl)imino]-meth-yl}phenol. Each Tb atom is coordinated by two cyclo-penta-dienyl ligands in an η5-coordination mode and by one N and two O atoms of the organic ligand in a tridentate κ3 O,N,O'-mode.
Highlights
Each Tb atom is coordinated by two cyclopentadienyl ligands in an 5-coordination mode and by one N and two O atoms of the organic ligand in a tridentate 3O,N,O0-mode
This report describes the synthesis and crystal structure of bis(5-cyclopentadienyl)(2-{[(2-methoxyphenyl)imino]methyl}phenolato)terbium, which is a product of the partial protonation of the tris(cyclopentadienyl)terbium complex with 2-{[(2-methoxyphenyl)imino]methyl}phenol (Fig. 1)
C6–C10 Cp ring], and the CCp—Tb bond lengths are similar within each ring (Table 1)
Summary
Bis(cyclopentadienyl) complexes of rare-earth metals attract significant attention because of their important role in the development of organometallic chemistry of 4f elements (Schumann et al, 1995; Wedal & Evans, 2021; Evans, 2016). In the case of bis(cyclopentadienyl) derivatives such as (C5H5)2LnX, the additional anionic ligand XÀ can be coordinated in a mono-, bi- or, as in the present case, a tridentate mode. Such a combination of ligands provides an extremely broad structural diversity for cyclopentadienyl derivatives (Edelmann & Poremba, 1997; Goodwin et al, 2018). This report describes the synthesis and crystal structure of bis(5-cyclopentadienyl)(2-{[(2-methoxyphenyl)imino]methyl}phenolato)terbium, which is a product of the partial protonation of the tris(cyclopentadienyl)terbium complex with 2-{[(2-methoxyphenyl)imino]methyl}phenol (Fig. 1)
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