Syntheses, Characterization, Resolution, and Biological Studies of Coordination Compounds of Aspartic Acid and Glycine

Table 2

Electronic spectra bands for the ligands and complexes.

Compound	Band I (nm)	Band II (nm)	Band III (nm)	d-d (nm)
Aspartic acid	196	212	232
Glycine	199	211	244
Na[Cu(L1)3]	217	223	238, 262	499, 517
Na[Cd(L1)3]	217	238	280, 295	—
Na[Ni(L1)3]	241	310	325, 343	541, 820
Na[Co(L1)3]	223	241	247, 307	484, 505
Na[Mn(L1)3]	217	259	283, 298	550, 574, 679
	—	265	—	620, 632
Na[Co(L2)3]	220	266	256	520, 667, 682