+ ▁Ar N 2 O + ▁absor bs ▁phot ons ▁in ▁four ▁vio let – ult rav io let ▁w avel ength ▁bands ▁leading ▁to ▁break up ▁of ▁the ▁mole c ule . ▁The ▁bands ▁are ▁ 4 4 5 – 4 2 0 , ▁ 4 1 5 – 3 9 0 , ▁ 3 9 0 – 3 7 0 , ▁and ▁ 3 4 2   nm . ▁ ▁Ar H CO + ▁Ar H CO + ▁has ▁been ▁produced ▁in ▁a ▁su person ic - jet ▁expansion ▁of ▁gas ▁and ▁detected ▁by ▁Fab ry – Per ot - type ▁Fourier ▁transform ▁mic row ave ▁spect ro sc opy . ▁ ▁The ▁mole c ule ▁is ▁made ▁by ▁this ▁reaction ▁ ▁Ar H + ▁+ ▁CO ▁→ ▁Ar H CO + . ▁ ▁Car bon ▁dio x ide – arg on ▁ion ▁ ▁can ▁be ▁excited ▁to ▁form ▁* ▁where ▁the ▁positive ▁charge ▁is ▁moved ▁from ▁the ▁carbon ▁dio x ide ▁part ▁to ▁the ▁arg on . ▁This ▁mole c ule ▁may ▁occur ▁in ▁the ▁upper ▁atmosphere . ▁Ex periment ally ▁the ▁mole c ule ▁is ▁made ▁from ▁a ▁low - press ure ▁arg on ▁gas ▁with ▁ 0 . 1 % ▁carbon ▁dio x ide , ▁ir rad i ated ▁by ▁a ▁ 1 5 0   V ▁electron ▁beam . ▁Arg on ▁is ▁ion ized , ▁and ▁can ▁transfer ▁the ▁charge ▁to ▁a ▁carbon ▁dio x ide ▁mole c ule . ▁The ▁dis soci ation ▁energy ▁of ▁