52
2 Summary Tables
400
500
600
700 nm
300
200
400
500
600
700 nm
300
200
Compound Type Transition (log ε)
π→π (3–4)
n→σ (3.6)
n→σ (2.4)
π→π (3.7–4)
n→σ (2.5)
n→σ (3.5)
π→π (3–4)
n→σ (3.5)
n→σ (2.5)
n→π (1.7)
n→π (1.7)
n→π (1.8)
π→π (3.9–4.4)
n→π (1–2)
π→π (2)
n→π (0.9–1.4)
n→σ (3.2)
n→σ (2.2 sh)
n→σ (3–3.6)
n→σ (2–3 sh)
n→σ (3–4)
n→σ (2.6)
π→π (≈4)
n→π (1–2)
π→π (4.2–4.8)
π→π (4.3–5.2)
2.6 UV/Vis Spectroscopy
UV/Vis Absorption Bands of Various Compound Types (Α: alkyl or H; R:
alkyl; sh: shoulder)