Table 6 The wave number of the IR spectrum characteristic peaks (cm⁻¹)

1873.874

1847.075

1816.153

1737.817

1721.326

1686.281

1678.281

1651.236

1645.051

1636.805

1620.314

1583.207

1570.839

1550.224

1533.732

1511.056

1492.503

1473.96

1461.581

1453.335

1438.905

1424.474

1410.044

1395.614

1377.061

1344.077

1313.155

1261.618

1203.897

1166.791

1148.238

1119.377

1107.008

1092.578

1076.085

1045.164

1032.795

1020.427

995.689

929.722

917.3532

892.6156

869.9394

851.3862

783.3578

775.1119

764.8046

723.5752

711.2064

700.8991

682.3459

672.0385

663.7927

639.055

622.5633

612.256

601.9486

581.3339

566.9037

554.5349

527.7358

508.1000