AHyd Data Illustrates Stability ----(-85.8 predicted) (-57.2 predicted) 36 kcal resonance energy energy 1.8 keal resonance energy -57.4 kcal -55.4 keal -49.8 keal -28.6 keal energy
DHhyd Data Illustrates Stability
Benzene Representations 1.397A 120° H 120°
Benzene Representations
Molecular Orbitals of Benzene 6 y4* y3
Molecular Orbitals of Benzene + + + + + + + + + + + + + + + + + + + - - - - - + - - - - - - - * * *
all antibonding node node node antibonding π考 node node T2 bonding node 不3 all bonding
M.O.'s of Cyclobutadiene Ψ3
M.O.’s of Cyclobutadiene + + + + + + _ _ + _ + + _ _ 1 3 1 4