聚合度(n)

νC=O/(cm−1)

νCOO-H/(cm−1)

νO-H/(cm−1)

0

1840.5

3766.9

3758.4

1

1824.7~1875.7

3770.4

3760.1

2

1820.2~1877.9

3771.1

3759.2

3

1820.2~1874.5

3770.2

3753.4

4

1820.5~1875.2

3772.0

3758.5

5

1821.9~1863.4

3767.8

3757.8

6

1821.9~1875.0

3771.3

3759.3

7

1818.6~1873.9

3770.0

3759.8

8

1821.1~1874.3

3771.8

3758.6

9

1822.8~1872.3

3769.5

3839.8

10

1796.6~1860.3

3568.4

3758.8