Molecular Ions

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Abstract
Physico‐chemical analysis of data concerning drift velocities of ions in nitrogen discloses that N4+ ions are the stable ones at low temperature and E/p0 and that the ions dissociate into N2+ and N2 at higher E/p0, higher temperature, or lower pressure. The dissociation behaves identically with thermal dissociation of molecular gases. The analysis yields the following numerical data: N4+ binding energy against dissociation into N2+ and N2, 0.50 ev; Ion temperature in °K as a function of E/p0 in volts per cm per mm Hg, θ=12.5 E/p0.