New ab Initio Potential Energy Surfaces for the Renner-Teller Coupled 𝟏^𝟏𝐴^′ and 1^𝟏𝐴^′′ States of CH₂

Figure 3

Contour plot (cm⁻¹) for 𝑉^core of the 𝑎¹𝐴₁ state of CH₂ as a function of 𝑅_CH and ∠HCH.