▁ 1 . 1 9   e V . ▁The ▁mole c ule ▁is ▁linear . ▁The ▁distance ▁between ▁two ▁nit ro gen ▁atoms ▁is ▁ 1 . 1   Å . ▁This ▁distance ▁is ▁similar ▁to ▁that ▁of ▁neutral ▁N 2 ▁rather ▁than ▁that ▁of ▁ ▁ion . ▁The ▁distance ▁between ▁one ▁nit ro gen ▁and ▁the ▁arg on ▁atom ▁is ▁ 2 . 2   Å . ▁The ▁v ibr ational ▁band ▁origin ▁for ▁the ▁nit ro gen ▁bond ▁in ▁ ▁( V   =   0   →   1 ) ▁is ▁at ▁ 2 2 7 2 . 2 5 6 4   cm − 1 ▁compared ▁with ▁N 2 + ▁at ▁ 2 1 7 5 ▁and ▁N 2 ▁at ▁ 2 3 3 0   cm − 1 . ▁ ▁In ▁the ▁process ▁of ▁phot on ▁decay , ▁the ▁dis soci ation ▁of ▁the ▁mole c ule ▁when ▁hit ▁by ▁phot ons , ▁it ▁is ▁three ▁times ▁more ▁likely ▁to ▁yield ▁Ar + ▁+ ▁N 2 ▁compared ▁to ▁Ar ▁+ ▁. ▁ ▁has ▁been ▁produced ▁in ▁a ▁su person ic ▁jet ▁expansion ▁of ▁gas ▁and ▁detected ▁by ▁Fourier ▁transform ▁mic row ave ▁spect ro sc opy . ▁The ▁mole c ule ▁is ▁linear , ▁with ▁the ▁atoms ▁in ▁the ▁order ▁Ar − H − N − N . ▁The ▁Ar − H ▁distance ▁is ▁ 1 . 8 6 4   Å . ▁There ▁is ▁a ▁stronger ▁bond ▁between ▁hydro gen ▁and ▁arg on ▁than ▁in ▁Ar