A Silyl Cation with a Three-Center Si-H-Si Bond

A Silyl Cation with a Three-Center Si-H-Si Bond

The unusually high kinetic stability of the silyl cation 1 is due to the presence of a three‐center, two‐electron Si‐H‐Si bond. NMR data (1H, 2H, 13C, 29Si) are consistent with the static, symmetrical structure shown, which was further corroborated by the results of density functional calculations....

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Veröffentlicht in:Angewandte Chemie International Edition 2001-08, Vol.40 (16), p.3033-3036
1. Verfasser: Mueller, Thomas
Format: Artikel
Sprache:eng
Schlagworte:
Bonding
Cations
Density
density functional calculations
isotope effects
Mathematical analysis
NMR spectroscopy
Nuclear magnetic resonance
silicon
Stability
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Zusammenfassung:The unusually high kinetic stability of the silyl cation 1 is due to the presence of a three‐center, two‐electron Si‐H‐Si bond. NMR data (1H, 2H, 13C, 29Si) are consistent with the static, symmetrical structure shown, which was further corroborated by the results of density functional calculations.
ISSN:1433-7851
1521-3773
DOI:10.1002/1521-3773(20010817)40:16<3033::AID-ANIE3033>3.0.CO;2-O