Isomerization processes in ions of the empirical formula C4H8+

Io ns of th e formul a C4 H,j have been ge ner ated with differ e nt initi a l e ne rgies b y ionizing e thyl e ne (C, Ht + C, H, ---> C,J-l ~. wh e re th e C, H ~ ion is form e d with a n initi a l e ne rgy of > 1l.51 e V) , cye lobuta ne (initi a l e ne rgy of C4 H;, > 10.84 eV), me th ylcyc lopropan e (> 10.15 e V) , l -e.H. (> 9.58 e V), a nd i-C; H~ (> 9.06 e V) \~ith 11.6-11.8 eV photons , a nd in so me cases a lso with lO e V ph otons a nd with ga mma radiation. Th e s tru ctures of th e ions have been de te rmin ed from th e s tru c tures of th e C., H. produ cts formed in c ha rge tra nsfe r reaction be twee n the ions a nd c harge acce ptors s uc h as dim e th y lamin e a nd nitri c ox id e, as well as from th e s tru c tures of the butanes formed in O2 tra nsfe r reaction s with me th ylcyciope ntan e-d"