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¹⁹N has been produced in a number of different multinucleon transfer reactions (1983AJ01, 1987AJ02), and these results lead to an adopted value (1993AU05) of 15.860 ± 0.016 MeV for the mass excess. ¹⁹N is then stable with respect to decay into ¹⁸N + n by 5.33 MeV. The half-life has been measured to be 0.32 ± 0.10 s (1986DU07), 0.21^+0.2_-0.1 s (1988MU08), 0.235 ± 0.032 s (1988SA04), 0.300 ± 0.080 s (1988DUZT), 0.329 ± 0.019 s (1991RE02). The neutron emission probability has been measured to be P_n = 33⁺³⁴_-11% (1988MU08) and P_n = 62.4 ± 2.6% (1991RE02).

Excited states in ¹⁹N observed in ¹⁸O(¹⁸O, ¹⁷F)¹⁹N have been reported by (1989CA25) at E_x = 1.11 ± 0.02, 1.65 ± 0.02, 2.54 ± 0.03, 3.47 ± 0.03, and 4.18 ± 0.02 MeV. See also (1987AJ02, 1988DUZT, 1995OZ02).

A discussion of self-consistent calculations for light neutron-rich nuclei is presented in (1990LO11). Extensive shell model calculations for observables in exotic light nuclei are discussed in (1993PO11). See also the shell model calculations and discussions in (1992WA22).