Research Article

Molecular Modeling of Acidic Treated PSTM-3T Polymer for Removal of Heavy Metal Ions by Experimental and Computational Studies

Table 4

The comparison of experimental (in Figure 5) and theoretical (in Figure 3(c)) frequencies of PSTM-3T after treatment by hydrochloric acid (pH = 2) solution. The percentage of relative deviation of model in different frequencies is shown in parenthesis.

GroupsWavenumbers [1/cm] [%]
Exp.Cal.

CS491.85517.48+5.21
603.72603.19−0.09

NH1560.411483.39−4.94
3414.003549.76+3.98

SH2700.03

CN1635.641686.72+3.12