The CNDO geometry of ethylene in the first singlet excited state
โ Scribed by G.H. Kirby; K. Miller
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 313 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
Approximate open shell SCF MO theory in the CNDO/2 scheme confirms the 90ยฐ twisted geometry of singlet excited ethylene and gives values of 114' for angle HCH and 1.38h for Y&.
๐ SIMILAR VOLUMES
Tht potentml hoIe of the lowest singlet ewxted-state potentml surface of ethylene IS explored through nonempnlcal double zeta calculations In these Iu@y unsymmetrxrd geometries the closedshell SCF descnptlon IS relevant and further extenswe CI brings only small geometry changes. The negatwe center i
An upper limit to the relavation time of the first c.rcltcd electronic \mgIut st,ite (St) of a?ulcnc m cyclohcxanc ha\ been dctcrmincd for two cxcltatlon frequcncics. The lifctlmes of St cxcitcd by tingle picosecond duration optlcal pulses OI irequency 18910 crri' and 16OOC cm"' arc 5 1 ps and 5 2 p
The energehcs and the energy-resolved decay of the S1 ('Bzu) electronically excited state of the pentacene molecule in seeded supersoruc beams has been investigated Two low-frequency, intense spectral features located at excess viirationa! energxes of 77 cm-\* and 202 cm-'above the ongn were observe