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  Synthesis, Structure, and Characterization of [RAl(μ-NHEt)(μ-NEt)2Si(NHEt)]2 (R=Me, Et)

Kaskel, S., Lehmann, C. W., Chaplais, G., Schlichte, K., & Khanna, M. (2003). Synthesis, Structure, and Characterization of [RAl(μ-NHEt)(μ-NEt)2Si(NHEt)]2 (R=Me, Et). European Journal of Inorganic Chemistry, (6), 1193-1196. doi:10.1002/ejic.200390154.

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 Creators:
Kaskel, Stefan1, Author              
Lehmann, Christian W.2, Author              
Chaplais, Gerald1, Author              
Schlichte, Klaus3, Author              
Khanna, Meik1, Author              
Affiliations:
1Research Group Kaskel, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445607              
2Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445625              
3Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              

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Free keywords: Aluminium; Nitrogen; Precursor development; Silicon
 Abstract: The reaction between tetrakis(ethylamino)silane, Si(NHEt)4 (1) and trialkylaluminium compounds AlR3 [R=Me (2), R=Et (3)] results in partial deprotonation of 1 and subsequent formation of a new dimeric alumosilazane in high yield. Single‐crystal X‐ray analyses reveal the structure of two new four‐membered ring compounds [RAl(μ‐NHEt)(μ‐NEt)2Si(NHEt)]2 [R=Me (4), R=Et (5)]. They are isostructural and crystallize in the triclinic space group P (No. 2) with a=8.3052(8)Å, b=9.8323(9)Å, c=10.324(1)Å, α=115.498(4)°, β=97.684(4)°, γ=94.382(4)° (4) and a=8.2319(3)Å, b=9.3748(5)Å, c=10.8221(6)Å, α=107.035(2)°, β=104.435(2)°, γ=94.375(2)° (5). The alternating edge‐ and corner‐sharing SiN4‐ and AlCN3‐tetrahedra represent a new structural motif with μ‐NHEt and μ‐NEt groups in one double bridge. The compounds were further characterized by elemental analysis, mass spectrometry, and NMR and IR spectroscopy.

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Language(s): eng - English
 Dates: 2003-03-01
 Publication Status: Published in print
 Pages: 4
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/ejic.200390154
 Degree: -

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Title: European Journal of Inorganic Chemistry
  Abbreviation : Eur. J. Inorg. Chem.
Source Genre: Journal
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Publ. Info: Weinheim, Germany : Wiley-VCH
Pages: - Volume / Issue: (6) Sequence Number: - Start / End Page: 1193 - 1196 Identifier: ISSN: 1434-1948
CoNE: https://pure.mpg.de/cone/journals/resource/954926953810_1