Quantum mechanical calculations at the MP2/6-31 G(d) level are reported for the silaguanidinium cation Si(NH,): (1) and derivatives thereof. The equilibrium structure 1 a has D, symmetry with planar amino groups rotated out of the SIN, plane by 19.6". The Si-N bond length of 1 a (1.658 A) is interme
β¦ LIBER β¦
Tetrakis(pentafluorophenyl)borate: a new anion for silylium cations in the condensed phase
β Scribed by Lambert, Joseph B.; Zhang, Shizhong
- Book ID
- 120208628
- Publisher
- The Royal Society of Chemistry
- Year
- 1993
- Tongue
- English
- Weight
- 202 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0022-4936
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## COMMUNICATIONS the A ' state, the characteristic reaction of which is a very efficient f 1.71 hydrogen shift. This is in perfect agreement with the observation that though the optically prepared excited state of 4 depopulates within about 25 fs,["] ground-state 4 is produced only 26 ps after ex