3.3. H
1
NMR Spectra
The H
1
NMR spectra of Schiff base ligand (L) is recorded
in d6-dimethylsulfoxide (DMSO) solution using tetrame-
thylsilane (TMS) as internal standard. The chemical shifts
of the different types of protons found in the
H1NMR
spectra
of the Schiff base ligand is compared with its diamag-
netic Zn(II) complex and shown in Table 3. It is found
that while the
H1NMR
signal of (HC=N) is shifted due to
complexation, the signals due to the ether CH2-O does
not show a significant shift in the chelation mode.