The crystal structure of Er(III)(salen)2(pipH) [salen=N,N′-ethylene-bis(salicylaldimine),pipH= piperidinium] has been determined by X-ray diffraction. The structure of the compound consists of [Er(salen)2]−1 anions and pipH+ cations. In the complex anion the erbium(III) ion is eight-coordinated by the donor atoms of two tetradentate salen ligands, forming a distorted square antiprism with approximate D2 symmetry. The ErO and ErN distances average respectively 2.270 and 2.511 Å. This is the first structural determination of a lanthanide element complex with a tetradentate ligand.
Mangani, S., Takeuchi, A., Yamada, S., Orioli, P. (1989). The Crystal-structure of the 8-coordinated Erbium(iii) Complex With the Tetradentate Ligand N,n'-ethylene-bis(salicylaldimine). INORGANICA CHIMICA ACTA, 155(1), 149-152 [10.1016/S0020-1693(00)89295-6].
The Crystal-structure of the 8-coordinated Erbium(iii) Complex With the Tetradentate Ligand N,n'-ethylene-bis(salicylaldimine)
Mangani, Stefano;
1989-01-01
Abstract
The crystal structure of Er(III)(salen)2(pipH) [salen=N,N′-ethylene-bis(salicylaldimine),pipH= piperidinium] has been determined by X-ray diffraction. The structure of the compound consists of [Er(salen)2]−1 anions and pipH+ cations. In the complex anion the erbium(III) ion is eight-coordinated by the donor atoms of two tetradentate salen ligands, forming a distorted square antiprism with approximate D2 symmetry. The ErO and ErN distances average respectively 2.270 and 2.511 Å. This is the first structural determination of a lanthanide element complex with a tetradentate ligand.
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https://hdl.handle.net/11365/31742
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