Relative energies (in kcal mol⁻¹) of the stationary points in the hydrohydrazination of the substituted phenylacetylene with parent hydrazine.

	Trifluoromethyl	Methoxy
R	0.0	0.0
TS1	25.7	30.7
IM	−39.2	−36.9
TS2	10.9	13.7
P	−45.4	−41.6