Unveiling a new aspect of oxocarbons: open-shell character of 4- and 5-membered oxocarbon derivatives showing near-infrared absorption
Takeshi Maeda, Taishi Oka, Daisuke Sakamaki, Hideki Fujiwara, Naoya Suzuki, Shigeyuki Yagi, Tatsuki Konishi, Kenji Kamada
Abstract
of the dye was determined experimentally from the observed one- and two-photon absorption peaks and the triplet energy level. The present finding provides new insight into diradicaloids with the contribution of non-Kekulé oxocarbon and also showcases the correlation between the electronic transition energy and their diradical character.
Topics & Concepts
Character (mathematics)Shell (structure)InfraredAbsorption (acoustics)Open shellInfrared spectroscopyChemistryNanotechnologyMaterials sciencePhysicsOrganic chemistryOpticsMathematicsComposite materialGeometryNonlinear Optical Materials StudiesPhotochromic and Fluorescence ChemistryLuminescence and Fluorescent Materials