in gaseous matrix Kinetics; reaction of in situ generated MgO(1+) ion with NO in flowing afterglow apparatus (according to: E. E. Ferguson, F. C. Fehsenfeld, A. L . Schmeltekopf, Adv. At. Mol. Phys. 5 (1969) 1) at 300 K (helium buffer gas near0.5 Torr);