Concepedia

Studies of molecular ions. IX. Detection of low‐lying ‘non‐<i>Koopmans</i>’ states in polyacetylene molecular cations

Edwin Haselbach, Urs Klemm, Urs Buser, Rudolf Gschwind, Martin Jungen, Else Kloster‐Jensen, John P. Maier, O. Marthaler, Heniz Christen, P. Baertschi

Helvetica Chimica Acta · 1981 · 18 citations · 4 references

DOI

Concepts

Abstract

Abstract Comparison of the photoelectron spectra of the title compounds with the electronic absorption spectra of the corresponding radical cations led to the detection of low lying ‘Non‐ Koopmans ’‐states in the ionic species.

References

4

Silylation as a protective method for terminal alkynes in oxidative couplings

R. Eastmond, T. R. JOHNSON, D. R. M. WALTON · Tetrahedron · 1972 · 318 citations

, , +10

Electronic absorption spectra of some cation radicals as compared with ultraviolet photoelectron spectra

Tadamasa Shida, Yoshio Nosaka, Tatsuhisa Kato · The Journal of Physical Chemistry · 1978 · 118 citations

, , +21

Photoinduced isomerization of ion radicals. 2. Possible local heating of rigid solutions by photons

Tadamasa Shida · The Journal of Physical Chemistry · 1978 · 26 citations

, , +21

Emission spectra of alkyl substituted diacetylene radical cations: CH3–C≡C–C≡C–R+ with R=H, D, CH3, and CD3; CD3–C≡C–C≡C–R+ with R=H, D, CD3 and C2H5–C≡C–C≡C–R+ with R=H and C2H5. Competition of the radiative à (π−1) → X (π−1) and fragmentation decay of their à (π−1) states

John P. Maier, Oskar Marthaler, Else Kloster‐Jensen · The Journal of Chemical Physics · 1980 · 20 citations