Identification of the interstellar 1-cyano propargyl radical (HCCCHCN) in TMC-1

C. Cabezas, M. Agúndez, N. Marcelino +7

We report the first detection in interstellar medium of the 1-cyano propargyl radical, HC${}_3$HCN. This species is an isomer of the 3-cyano propargyl radical (CH${}_2$C${}_3$N), which w…