Interpret the major peaks in the IR Spectrum of the product. ( OFF Lab: Organic

Question

Interpret the major peaks in the IR Spectrum of the product. ( OFF Lab: Organic Chemistry)

Peak# 1 | 2 | 3|4|5 Height 25.887 8033 25,134 21285 68.062 64.078 44.274 68.447 68694 Position 3022.60 2926.44 2859.03 2837.80 2658.75 1852 86 1437.96 1321.52 1264.76 Peak# Position 1137.19 1036.73916.40 876.23 718.49 639.88 Height 51.037 61.333 53.256 54.501 39.388 20.886 10 12 13 14 15 2/22/18 1:23:5 .0 .0 1200 1000 800 600 3800 3600 3400 3200 3000 2800 2600 2400 2200 2000 1800 1600 1400 Wavenumbers (cm-1)

Explanation / Answer

The major peaks in the spectrum are,

(i)3022.60 cm-1 is the =C-H stretching.

(ii)2800-2950 cm-1 peaks are the -C-H stretching.

(iii) 1632 and 1438 cm-1 are for the C=C stretching might be aliphatic alkene or aromatic alkene.

(iv) The peaks present below 1000cm-1 are generally for bending vibrations( C-H, C=C ...).

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