Fig. 2: Photoelectron spectra of PbB3O2–.
From: Boron-lead multiple bonds in the PbB2O– and PbB3O2– clusters

a At 355 nm. b At 266 nm. The vertical lines represent resolved vibrational progressions.
From: Boron-lead multiple bonds in the PbB2O– and PbB3O2– clusters

a At 355 nm. b At 266 nm. The vertical lines represent resolved vibrational progressions.