IR , , .

n-CH3CH2CH2CH2CH3

3000 cm-1s1470 s1375 cm-1 (C-H) 2850-2960 cm-1 (C-H) ( ) C-H C-C

2- ()

1375 cm-1?

CH3

1- 910-920 990-1000 RCH=CH2 (C=C) 1640-1680 (C-H)

3020-3080 cm-1

( ), =CH

2--1-880-900R2C=CH2

2,3--1-880-900R2C=CH2

(C-H)690-710, 730-770 1500 1600 (C=C)

3000-3100 cm-1 (C-H) 2000-1650 cm-1

o-735-770

p-810-840

m-

750-810,690-710,860-900

(C=C) 2140-2100 (C=C-H) ~3300

C8H6C=C-H1500, 1600C8H6 C6H5 = C2H3300C-H