236750.fig.001a
(a)
236750.fig.001b
(b)
Figure 1: (a) Contour plot for the PES of CH2 as a function of and (bohr) with ∠HCH fixed at the equilibrium value 102.45°. (b) Contour plot for the PES of CH2 as a function of and (bohr) with ∠HCH fixed at the equilibrium value 144.36°. Energies (kcal/mol) are relative to the C( )+H2 asymptote.