**3.4.2.3 1HNMR spectroscopic studies**

38 Electropolymerization

750s -- CH out of plane bending for 1,2 di-substituted benzene ring 833s --


Stretching vibration of C=C in benzene ring

3520b 3419b Stretching vibration intermolecular hydrogen solvated OH group or end group OH of polymeric chain

Table 4. IR adsorption bands and their assignments for OCP and POCP.(*where; s: strong, w:* 

762m -- CH out of plane bending for 1,2 di-substituted benzene ring


C=C stretching vibration in benzene ring


Table 5. IR adsorption bands and their assignments for OHP and POHP.(*where; s: strong, w:* 

925s 920m Stretching vibration for C-Cl group

1058s Stretching vibration for C-O group 1055s

3073m 3070w Stretching vibration for CH aromatic


3049w 3100w CH stretching vibration in benzene ring

3328m 3743b Free OH stretching vibration

C-O stretching vibration 1268s 1251s


Wave number(cm-1)

OCP POCP

1028s

1456s --

1482 s 1475s 1589s 1490s 1645m 1698s

*weak, b: broad, m:medium*}

Wave number(cm-1)

OHP POHP 746s --

851s --

1188s 1197s

1468s 1475.3s

*weak, b: broad, m:medium*)


3451m

Assignments Name

Name Assignments

The 1HNMR spectrum of the prepared POCP and POHP are represented in Fig.12 (a and b). The figure shows two solvent signals at δ=2.55 ppm and δ=3.55 ppm in case of POCP where in case of POHP the solvent signals appear at δ=2.15 ppm and δ=2.55 ppm. The protons of benzene rings in the polymeric structures appear in the region from δ=6.04 to δ=8 ppm in both cases. The singlet signal appears at δ=4.3 ppm in case of POCP and at 5.5 ppm in case of POHP is attributed to OH protons for water of solvation. The singlet signal appears at δ=10.1ppm in case of POCP and at δ=9.5 is attributed to OH proton attached to for benzene ring. The signals of different (OH) are disappeared when deuterated water was added to the investigated sample.

Fig. 12. 1HNMR spectra of POCP and POHP in DMSO and DMSO+D2O.
