IR table Functional Wavenumber Functional Molecular Motion(m Wavenumber Molecula

Question

IR table Functional Wavenumber Functional Molecular Motion(m Wavenumber Molecular Motion Group C-H stretch CH2 bend CH, bend CH2 bend (4 or more) CH stretch C-C stretch (isolated) C C stretch 2950-2800 C-H aldehyde stretch 1-2850 & _2750 ketones 3100-3010 1690-1630 (conjugated)1640-1610 1430-1290 1300-1100 3400-2400 1730-1700 1320-1210 1440-1400 1750-1735 1260-1230 carboxylie CO stretch COOH bend O-H bend C-O stretch C-C(O)-C stretch C-CO-C stretch alkenes C-H bend (moncsubstituted) -990 a -910 C-H bend (disubstituted - E) -970 C-H bend (disubstituted -1,1) 890 C-H bend (disubstituted- 700 C-H bend (trisubstituted) acetylenic C-H stretch C,C triple bond stretch acetylenic C-H bend C-H stretch Acid chlorides C-Cl stretch 1810-1775 730-550 1830-1800& anhydrides 1775-1740 650-600 3020-3000 1600&~1475 770-730 &715 N-H stretch N-H bend C-N Stretch (alkyl) C-N Stretch (aryl) N-H bend N-H stretch C-O stretch N-H bend 1200-1025 C-H bend (mono) C-H bend (ortho) C-H bend (meta) C-H bend (para) O-H stretch 1360-1250 aromatics 770-735 880&-780 & 690 850-800 -3650 or 3400- 1680-1630 1640-1550 1570-1515 1400-1000 785-540 amides alcohols 1260-1000 1300-1000 1250 &~1120 alkyl C-O-C stretch (dialkyl) C-F stretch halides C-Cl stretch C-Br stretch ethers C-O-C stretch (diaryl)

Explanation / Answer

FTIR analysis

the above shown IR spectrum shows the following peaks

2884 cm-1 for sp3 -C-H stretch

2934 cm-1 for sp3 -C-H stretch

2976 cm-1 for sp3 -C-H stretch

1450 cm-1 for C-O stretch

1370 cm-1 for C-H stretch

Possible functional group in the compound = ether -O- linkage

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