Spin-orbit coupling and rovibrational structure in the iododiacetylene radical cation by PFI-ZEKE photoelectron spectroscopy

Katrin Dulitz, Elias Bommeli, Guido Grassi +2

The photoelectron spectrum of the ${\text{X}}^{+}{}^2\Pi \leftarrow \text{X}{}^1{\Sigma }^{+}$ photoionising transition in iododiacetylene, HC${}_4$I, has been recorded using pulsed-f…