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

Figure 6

Contour plots for the Renner-Teller terms of CH₂ for the two lowest-lying singlet electronic states as functions of 𝑅_CH and ∠HCH: (a) 𝐿_𝑧^𝑎𝑏, (b) 𝐿^𝑎𝑎_𝑧𝑧, and (c) 𝐿^𝑏𝑏_𝑧𝑧.

(a)

(b)

(c)