Synthesis and x-ray crystal structure of the cyclopentadienyl nitrito complex of ytterbium(III), (C5H5)2Yb(NO2) · THF

Zhongzhi Wu, Xu Zheng, You Xiaozeng, Wang Huaqing, Zhou Xigen, Sheng Furen, Hu Jiping

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Cp2Yb(NO2) · THF (1) (Cp = C5H5) was synthesized by the reaction of Cp2YbCl and NaNO2 (1:1 molar ratio) in THF at room temperature. It crystallizes in space group Pnma with unit cell dimensions a = 13.5530(3), b = 11.8150(2), c = 9.2790(2) Å, Z = 4, V= 1485.8 Å3 and Dx 1.883 g cm-3. Least-squares refinement based on 1010 unique reflections with I ≥ 3σ(I) converged to a final R value of 0.023. The ytterbium atom was connected to two η5-bonded cyclopentadienyls and three oxygen atoms (one from the coordinated THF molecule and other two from the chelate nitrite ligands) in a distorted hexahedral arrangement. The average YbC(Cp) distance is 2.64(2) Å, YbO(THF) and YbO(NO2) distances are 2.310(7) and 2.388(9) Å, respectively. The title complex loses the coordinated THF molecule readily on heating under vacuum to give dimeric complex [Cp2Yb(NO2)]2 (2). Two new complexes have been characterized by elemental analysis and by IR spectroscopy and mass spectrometry.

Original languageEnglish (US)
Pages (from-to)93-97
Number of pages5
JournalJournal of Organometallic Chemistry
Volume455
Issue number1-2
DOIs
StatePublished - Aug 10 1993

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Ytterbium
ytterbium
Vacuum
Nitrites
Least-Squares Analysis
Heating
Mass Spectrometry
Spectrum Analysis
Crystal structure
X-Rays
Oxygen
Ligands
X rays
Atoms
crystal structure
Molecules
Temperature
nitrites
synthesis
chelates

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Synthesis and x-ray crystal structure of the cyclopentadienyl nitrito complex of ytterbium(III), (C5H5)2Yb(NO2) · THF. / Wu, Zhongzhi; Zheng, Xu; Xiaozeng, You; Huaqing, Wang; Xigen, Zhou; Furen, Sheng; Jiping, Hu.

In: Journal of Organometallic Chemistry, Vol. 455, No. 1-2, 10.08.1993, p. 93-97.

Research output: Contribution to journalArticle

Wu, Zhongzhi ; Zheng, Xu ; Xiaozeng, You ; Huaqing, Wang ; Xigen, Zhou ; Furen, Sheng ; Jiping, Hu. / Synthesis and x-ray crystal structure of the cyclopentadienyl nitrito complex of ytterbium(III), (C5H5)2Yb(NO2) · THF. In: Journal of Organometallic Chemistry. 1993 ; Vol. 455, No. 1-2. pp. 93-97.
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title = "Synthesis and x-ray crystal structure of the cyclopentadienyl nitrito complex of ytterbium(III), (C5H5)2Yb(NO2) · THF",
abstract = "Cp2Yb(NO2) · THF (1) (Cp = C5H5) was synthesized by the reaction of Cp2YbCl and NaNO2 (1:1 molar ratio) in THF at room temperature. It crystallizes in space group Pnma with unit cell dimensions a = 13.5530(3), b = 11.8150(2), c = 9.2790(2) {\AA}, Z = 4, V= 1485.8 {\AA}3 and Dx 1.883 g cm-3. Least-squares refinement based on 1010 unique reflections with I ≥ 3σ(I) converged to a final R value of 0.023. The ytterbium atom was connected to two η5-bonded cyclopentadienyls and three oxygen atoms (one from the coordinated THF molecule and other two from the chelate nitrite ligands) in a distorted hexahedral arrangement. The average YbC(Cp) distance is 2.64(2) {\AA}, YbO(THF) and YbO(NO2) distances are 2.310(7) and 2.388(9) {\AA}, respectively. The title complex loses the coordinated THF molecule readily on heating under vacuum to give dimeric complex [Cp2Yb(NO2)]2 (2). Two new complexes have been characterized by elemental analysis and by IR spectroscopy and mass spectrometry.",
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T1 - Synthesis and x-ray crystal structure of the cyclopentadienyl nitrito complex of ytterbium(III), (C5H5)2Yb(NO2) · THF

AU - Wu, Zhongzhi

AU - Zheng, Xu

AU - Xiaozeng, You

AU - Huaqing, Wang

AU - Xigen, Zhou

AU - Furen, Sheng

AU - Jiping, Hu

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N2 - Cp2Yb(NO2) · THF (1) (Cp = C5H5) was synthesized by the reaction of Cp2YbCl and NaNO2 (1:1 molar ratio) in THF at room temperature. It crystallizes in space group Pnma with unit cell dimensions a = 13.5530(3), b = 11.8150(2), c = 9.2790(2) Å, Z = 4, V= 1485.8 Å3 and Dx 1.883 g cm-3. Least-squares refinement based on 1010 unique reflections with I ≥ 3σ(I) converged to a final R value of 0.023. The ytterbium atom was connected to two η5-bonded cyclopentadienyls and three oxygen atoms (one from the coordinated THF molecule and other two from the chelate nitrite ligands) in a distorted hexahedral arrangement. The average YbC(Cp) distance is 2.64(2) Å, YbO(THF) and YbO(NO2) distances are 2.310(7) and 2.388(9) Å, respectively. The title complex loses the coordinated THF molecule readily on heating under vacuum to give dimeric complex [Cp2Yb(NO2)]2 (2). Two new complexes have been characterized by elemental analysis and by IR spectroscopy and mass spectrometry.

AB - Cp2Yb(NO2) · THF (1) (Cp = C5H5) was synthesized by the reaction of Cp2YbCl and NaNO2 (1:1 molar ratio) in THF at room temperature. It crystallizes in space group Pnma with unit cell dimensions a = 13.5530(3), b = 11.8150(2), c = 9.2790(2) Å, Z = 4, V= 1485.8 Å3 and Dx 1.883 g cm-3. Least-squares refinement based on 1010 unique reflections with I ≥ 3σ(I) converged to a final R value of 0.023. The ytterbium atom was connected to two η5-bonded cyclopentadienyls and three oxygen atoms (one from the coordinated THF molecule and other two from the chelate nitrite ligands) in a distorted hexahedral arrangement. The average YbC(Cp) distance is 2.64(2) Å, YbO(THF) and YbO(NO2) distances are 2.310(7) and 2.388(9) Å, respectively. The title complex loses the coordinated THF molecule readily on heating under vacuum to give dimeric complex [Cp2Yb(NO2)]2 (2). Two new complexes have been characterized by elemental analysis and by IR spectroscopy and mass spectrometry.

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