Electronic Spectrum of Dicyanoacetylene. 2. Interpretation of the 2800 Å Transition

Fischer, Gad; Johnson, G Dana; Ramsay, D A; Ross, I

Electronic Spectrum of Dicyanoacetylene. 2. Interpretation of the 2800 Å Transition

Date

2003

Authors

Fischer, Gad

Johnson, G Dana

Ramsay, D A

Ross, I

Publisher

American Chemical Society

Abstract

The 2800 Å forbidden1Σu- ←1Σg+ transition of dicyanoacetylene shows conventional vibronic origins due to the two πg vibrations and a third involving the lower πu vibration. For the latter we argue against a magnetic dipole mechanism and propose tha