XPS-Characterization of Heterometallic Coordination Compounds with Optically Active Ligands

Table 1

Selected IR bands for the ligand and its coordination compounds.

Coordinate compound and ligand	𝜈as(COO^−)–; (cm^−1)	𝜈s(–COO^−); (cm^−1)	Δ𝜈; (cm^−1)	𝜈(C–OH)st; (cm^−1)
S,S(+)H2cpse^18	1638	1385	—	1040
[Cu3(S,S(+)cpse)3(H2O)3]·8.5H2O	1631	1385	246	—
[Cu2Co(S,S(+)cpse)3(H2O)3]·4H2O (1)	1632	1383	249	—
[Cu2Ni(S,S(+)cpse)3(H2O)3]·10H2O (2)	1623	1377	246	—