Table 2. Absorption maxima and their corresponding molar absorptivities for complexes 1–3 ^a .

Complex	λ abs (nm) [ε (×104 M–1 cm–1)]
1	249 [6.00], 261(sh) [5.46], 298 [3.02], 307(sh) [2.74], 365 [0.48], 420 [0.08], 450 [0.04]
2	257 [6.25], 297(sh) [3.60], 309(sh) [3.21], 330(sh) [1.66], 368 [0.65], 420 [0.11], 449 [0.04]
3	258 [4.84], 281(sh) [4.33], 306(sh) [2.73], 321(sh) [2.13], 371 [0.77], 422 [0.12], 450 [0.04]

^aMeasurements were carried out in MeCN.