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Isolation and x-ray crystal structures of {Li22-As(SiMe3)2][μ3-As(SiMe3)2](THF)}2and [(Me3Si)2AsLi(THF)2]2

Publication ,  Journal Article
Jones, LJ; McPhail, AT; Wells, RL
Published in: Journal of Coordination Chemistry
February 1, 1995

The lithium arsenides {Li2[p2-As(SiMe3)2] [p3-As(SiMe3)2](THF)}2 (I) (THF = tetrahydrofuran) and [(Me3Si)2AsLi(THF)2]2 (II) were isolated and their solid-state structures determined by X-ray methods. Compound I crystallizes in the monoclinic system, space group P2,/c, with a = 10.147(1)A, b = 19.665(2)A, c = 16.768(2) A, p = 107.78(1)° and Z = 2. The core structure consists of an [LiAs]4 ladder-like framework with four antiparallel adjacent As-Li rungs. The two lithium atoms of the central ring each bridge three arsenic centers while the two lithium atoms belonging solely to the outer rings each span two arsenic atoms and are coordinated to one THF molecule. Monoclinic crystals of compound II belong to space group C2/c, with a = 17.877(4) A, b = 14.077(3) A, c = 19.006(4) A, p = 109.16(2)“ and Z = 4. The structure consists of a centrosymmetric dimer containing a four-membered As-Li-As-Li ring wherein each lithium atom is coordinated to two molecules of THF. © 1995, Taylor & Francis Group, LLC. All rights reserved.

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Published In

Journal of Coordination Chemistry

DOI

EISSN

1029-0389

ISSN

0095-8972

Publication Date

February 1, 1995

Volume

34

Issue

2

Start / End Page

119 / 127

Related Subject Headings

  • Inorganic & Nuclear Chemistry
  • 3406 Physical chemistry
  • 3402 Inorganic chemistry
  • 0399 Other Chemical Sciences
  • 0302 Inorganic Chemistry
 

Citation

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Jones, L. J., McPhail, A. T., & Wells, R. L. (1995). Isolation and x-ray crystal structures of {Li22-As(SiMe3)2][μ3-As(SiMe3)2](THF)}2and [(Me3Si)2AsLi(THF)2]2. Journal of Coordination Chemistry, 34(2), 119–127. https://doi.org/10.1080/00958979508055391
Jones, L. J., A. T. McPhail, and R. L. Wells. “Isolation and x-ray crystal structures of {Li22-As(SiMe3)2][μ3-As(SiMe3)2](THF)}2and [(Me3Si)2AsLi(THF)2]2.” Journal of Coordination Chemistry 34, no. 2 (February 1, 1995): 119–27. https://doi.org/10.1080/00958979508055391.
Jones LJ, McPhail AT, Wells RL. Isolation and x-ray crystal structures of {Li22-As(SiMe3)2][μ3-As(SiMe3)2](THF)}2and [(Me3Si)2AsLi(THF)2]2. Journal of Coordination Chemistry. 1995 Feb 1;34(2):119–27.
Jones, L. J., et al. “Isolation and x-ray crystal structures of {Li22-As(SiMe3)2][μ3-As(SiMe3)2](THF)}2and [(Me3Si)2AsLi(THF)2]2.” Journal of Coordination Chemistry, vol. 34, no. 2, Feb. 1995, pp. 119–27. Scopus, doi:10.1080/00958979508055391.
Jones LJ, McPhail AT, Wells RL. Isolation and x-ray crystal structures of {Li22-As(SiMe3)2][μ3-As(SiMe3)2](THF)}2and [(Me3Si)2AsLi(THF)2]2. Journal of Coordination Chemistry. 1995 Feb 1;34(2):119–127.

Published In

Journal of Coordination Chemistry

DOI

EISSN

1029-0389

ISSN

0095-8972

Publication Date

February 1, 1995

Volume

34

Issue

2

Start / End Page

119 / 127

Related Subject Headings

  • Inorganic & Nuclear Chemistry
  • 3406 Physical chemistry
  • 3402 Inorganic chemistry
  • 0399 Other Chemical Sciences
  • 0302 Inorganic Chemistry