The Renner-Teller Effect ·
Vibronic Coupling in Linear Molecules
un
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.com · ²Π state · bending mode ν₂ · NH₂ / CO₂⁺
geometry
linear
state
²Π degenerate
ε
0
step
—
upper sheet V₊ = ½k(1+ε)ρ²
lower sheet V₋ = ½k(1−ε)ρ²
π orbital lobes (a′ / a″)
bending amplitude ρ
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