diradicals:Molecular species having two unpaired electrons, in which at least two different electronic states with different multiplicities [electron-paired (singlet state) or electron-unpaired (triplet state)] can be identified. E.g. H2C.-CH 2C.H2 propane-1,3-diyl (trimethylene). See biradicals. GTPOC (biradicals).
See biradical.
