. 2025 Aug 26;15(37):30102–30122. doi: 10.1039/d5ra03168k

Table 3. Calculated vibrational frequencies (cm⁻¹) for ligand DAPH and the Ni–DAPH complex.

Wavenumber (cm⁻¹)		Assignment
Ligand	Complex	Assignment
3648–3550	3646–3720	OH
3221	3221–3283	C–H
1625	1619	C O
1436–1612	1421–1607	C C
1046–1311	1016–1019	C–O
1046–1311	1060–1323	C–O
869	845	C–H deformation (aromatic ring)

Table 3. Calculated vibrational frequencies (cm−1) for ligand DAPH and the Ni–DAPH complex.