A highly delocalized triplet carbene, 5-Methylhexa-1,2,4-triene-1,3-diyl: matrix IR identification, structure, and reactions. - Boganov SE; Faustov VI; Shavrin KN; Gvozdev VD; Promyslov VM; Egorov MP; Nefedov OM (Journal of the American Chemical Society, 2009)