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  A disilene base adduct with a dative Si–Si single bond.

Schweizer, J. I., Scheibel, M. G., Diefenbach, M., Neumeyer, F., Wîrtele, C., Kulminskaya, N., et al. (2016). A disilene base adduct with a dative Si–Si single bond. Angewandte Chemie International Edition, 55(5), 1782-1786. doi:10.1002/anie.201510477.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-1D3F-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-1D41-8
Genre: Journal Article

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 Creators:
Schweizer, J. I., Author
Scheibel, M. G., Author
Diefenbach, M., Author
Neumeyer, F., Author
Wîrtele, C., Author
Kulminskaya, N.1, Author              
Linser, R.1, Author              
Auner, N., Author
Schneider, S., Author
Holthausen, M. C., Author
Affiliations:
1Research Group of Solid-State NMR-2, MPI for Biophysical Chemistry, Max Planck Society, ou_1950286              

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Free keywords: Bonding analysis; Dative bonds; Disilenes; Silylenes; X-ray diffraction
 Abstract: An experimental and theoretical study of the base- stabilized disilene 1 is reported, whichforms at lowtemper- atures in the disproportionation reaction of Si 2 Cl 6 or neo- Si 5 Cl 12 with equimolar amounts of NMe 2 Et. Single-crystal X- ray diffraction and quantum-chemical bonding analysis dis- close an unprecedented structure in silicon chemistry featuring adative Si!Si single bond between two silylene moieties, Me 2 EtN!SiCl 2 !Si(SiCl 3 ) 2 .The central ambiphilic SiCl 2 group is linked by dative bonds to the amine donor and the bis(trichlorosilyl)silylene acceptor,which leads to push–pull stabilization. Based on experimental and theoretical examina- tions aformation mechanism is presented that involves an autocatalytic reaction of the intermediately formed anion Si(SiCl 3 ) 3 ¢ with neo-Si 5 Cl 12 to yield 1.

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Language(s): eng - English
 Dates: 2015-12-222016-01-26
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1002/anie.201510477
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Title: Angewandte Chemie International Edition
Source Genre: Journal
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Pages: - Volume / Issue: 55 (5) Sequence Number: - Start / End Page: 1782 - 1786 Identifier: -