The ground states of Si3H and Si3H-have been found as 2A l (C2v) and IA l (C2v), respectively, and both correspond to planar cyclic hydrogen-bridged geometries. The adiabatic electron affinity is calculated as 256 kJ/mol at the CCSD-(T) level of theory. The in-plane fluxionality of the neutral radic
Repulsive 3∑− and low-lying (⩾ 1.9 eV) 3∑+ states of BeO
✍ Scribed by S.V O'Neil; P.K Pearson; H.F Schaefer III
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- English
- Weight
- 540 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Ab @itio calculations have been ca+d oit on thg low&t .3X_ and 3 XT #&es of beryllium oxide. A "double zeta plus p&ri&iok'~~set df Skater finctions was used. The self-konsistent-field wavefunction for the 3Z-state dis-&Gates prop&j to greun~ siate Be and 0 atoms and' is rep&ive.~EIecticm correlatiori was explicitly:considered for the ++~?atk u*, __ molecules. ne3x ~"ftiorder*' wavekunctio+, which ha&yielded reiiable dissocikon ene&es for other .&tomic sfate, which hi not b&n obs&kd experimentally,'k predicted to lie 1.91 eV above the lowest ' X+ state Red&ted spktroscopic constants fir the ?E? state are re =.1.384 A, we& 1234 cm-', aqd Be = 1.527
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