Formation and crystal structures of (C5H5)3Sm(THF) and (C5H5)3Dy(THF)

Zhongzhi Wu, Zheng Xu, Xiaozeng You, Xigeng Zhou, Xiaoying Huang, Jiutong Chen

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The title complexes were formed by refluxing the complexes [Cp2SmO(CH2)4CH3]2 and [Cp2DyS(CH2)3CH3]2 (Cp C5H5) in THF and studied by X-ray crystallography. The complexes are both monomers with the central metal coordinated by three Cp ring centroids and one THF molecule to form a distorted tetrahedral geometry. The Cp groups coordinate to the metal in a η5-fashion with the average SmC distance of 2.75(2) Å and DyC distance of 2.70(1) Å. The SmO and DyO bond lengths are 2.512(8) and 2.462(6) Å, respectively. The comparison of some significant structural parameters of the title complexes with those of the known isostructural complexes Cp3Ln·THF (Ln La, Pr, Nd, Gd and Lu) conformed to the "lanthanide contration" effect.

Original languageEnglish (US)
Pages (from-to)379-384
Number of pages6
JournalPolyhedron
Volume13
Issue number3
DOIs
StatePublished - 1994

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Crystal structure
Metals
Lanthanoid Series Elements
crystal structure
X ray crystallography
Bond length
Rare earth elements
metals
centroids
crystallography
monomers
Monomers
Molecules
Geometry
rings
geometry
molecules
x rays

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Formation and crystal structures of (C5H5)3Sm(THF) and (C5H5)3Dy(THF). / Wu, Zhongzhi; Xu, Zheng; You, Xiaozeng; Zhou, Xigeng; Huang, Xiaoying; Chen, Jiutong.

In: Polyhedron, Vol. 13, No. 3, 1994, p. 379-384.

Research output: Contribution to journalArticle

Wu, Z, Xu, Z, You, X, Zhou, X, Huang, X & Chen, J 1994, 'Formation and crystal structures of (C5H5)3Sm(THF) and (C5H5)3Dy(THF)', Polyhedron, vol. 13, no. 3, pp. 379-384. https://doi.org/10.1016/S0277-5387(00)81649-6
Wu, Zhongzhi ; Xu, Zheng ; You, Xiaozeng ; Zhou, Xigeng ; Huang, Xiaoying ; Chen, Jiutong. / Formation and crystal structures of (C5H5)3Sm(THF) and (C5H5)3Dy(THF). In: Polyhedron. 1994 ; Vol. 13, No. 3. pp. 379-384.
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AU - Wu, Zhongzhi

AU - Xu, Zheng

AU - You, Xiaozeng

AU - Zhou, Xigeng

AU - Huang, Xiaoying

AU - Chen, Jiutong

PY - 1994

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N2 - The title complexes were formed by refluxing the complexes [Cp2SmO(CH2)4CH3]2 and [Cp2DyS(CH2)3CH3]2 (Cp C5H5) in THF and studied by X-ray crystallography. The complexes are both monomers with the central metal coordinated by three Cp ring centroids and one THF molecule to form a distorted tetrahedral geometry. The Cp groups coordinate to the metal in a η5-fashion with the average SmC distance of 2.75(2) Å and DyC distance of 2.70(1) Å. The SmO and DyO bond lengths are 2.512(8) and 2.462(6) Å, respectively. The comparison of some significant structural parameters of the title complexes with those of the known isostructural complexes Cp3Ln·THF (Ln La, Pr, Nd, Gd and Lu) conformed to the "lanthanide contration" effect.

AB - The title complexes were formed by refluxing the complexes [Cp2SmO(CH2)4CH3]2 and [Cp2DyS(CH2)3CH3]2 (Cp C5H5) in THF and studied by X-ray crystallography. The complexes are both monomers with the central metal coordinated by three Cp ring centroids and one THF molecule to form a distorted tetrahedral geometry. The Cp groups coordinate to the metal in a η5-fashion with the average SmC distance of 2.75(2) Å and DyC distance of 2.70(1) Å. The SmO and DyO bond lengths are 2.512(8) and 2.462(6) Å, respectively. The comparison of some significant structural parameters of the title complexes with those of the known isostructural complexes Cp3Ln·THF (Ln La, Pr, Nd, Gd and Lu) conformed to the "lanthanide contration" effect.

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