3Sigma- -X 3Sigma- electronic transition of linear C6H+ and C8H+ in neon matrixes.

The electronic absorption spectra of linear C6H+ and C8H+ were recorded in 6 K neon matrixes following mass selective deposition. The (1) 3Sigma- -X 3Sigma- electronic transition is identified with the origin band at 515.8 and 628.