SEARCH Articles Figures Tables Carbenes triplet methylene Determination of singlet and triplet methylene fractions Ketenes triplet methylene formation Methylene singlet-triplet energy separation Methylene singlet-triplet separation Methylene singlet-triplet splitting Methylene triplet geometry Methylene, triplet, cycloaddition Methylene, triplet, cycloaddition reactions Singlet and Triplet Methylene The Methylene and Dichloromethylene Singlet-Triplet Energy Gap Triplet methylene, detection