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IR Spectra of Selected Compounds

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    61309
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    Table of Spectra

    Figure 5. Nujol

    Figure 6. N-Decane

    Figure 7. Benzene

    Figure 8. Indene

    Figure 9. 1-Heptene

    Figure 10. trans -4-Octene

    Figure 11. ortho-Xylene

    Figure 12. meta-Xylene

    Figure 13. Phenylacetylene

    Figure 14. Butanal

    Figure 15. Benzaldehyde

    Figure 16. Chloroform

    Figure 17. Tri-t-butylmethanol

    Figure 18. Butylamine

    Figure 19. Benzamide

    Figure 20. Diethylamine

    Figure 21. N-Methyl acetamide

    Figure 22. Triethylamine

    Figure 23. N,N-Dimethyl acetamide

    Figure 24. n-Hexanol, vapor and liquid

    Figure 25. Phenol, vapor and liquid

    Figure 26. Hexanoic acid, vapor and liquid

    Figure 27. Decanoic acid

    Figure 28. 4-Chloro-2-nitrophenol

    Figure 29. Benzoic acid

    Figure 30. Benzoic acid

    Figure 31. trans-2-Phenyl-1-cyanoethene

    Figure 32. Diethyl acetylenedicarboxylate

    Figure 33. Methyl acetate

    Figure 34. Ethyl n-hexanoate, vapor and liquid

    Figure 35. 5-Hexene-2-one

    Figure 36. Propionic anhydride

    Figure 37. Benzoic anhydride

    Figure 38. 3-Methylpimelic acid anhydride

    Figure 39. 2,5-Dihydrofuran

    Figure 40. 2,5-Dimethoxy-2,5-dihydrofuran

    Figure 41. 2,3-Dihydrofuran

    Figure 42. Sodium benzoate

    Figure 43. 5-Methyl-3-hexene-2-one

    Figure 44. 3-Nonen-2-one

    Figure 45. Ethyl vinyl ketone

    Figure 46. 3-Penten-2-one

    Figure 47. Benzyl 4-hydroxyphenyl ketone

    Figure 48. Perfluorohydrocarbon oil

    Figure 49. Quartz

    Figure 5. Nujol; thin film (Nujol is a trade name for mineral oil which is a long chain alkane)

    Figure 6. N-Decane, neat liquid, thin film: CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3

    Figure 7. Benzene, neat, thin film:

    Figure 8. Indene; neat; 0.05 mm cell:

    Figure 9. 1-Heptene; neat sample, thin film: H2C=CH-CH2CH2CH2CH2CH3

    Figure 10. trans -4-Octene, neat liquid, thin film:

    Figure 11. ortho-Xylene, neat, thin film:

    Figure 12. meta-Xylene, neat, thin film:

    Figure 13. Phenylacetylene, neat liquid; thin film:

    Figure 14. Butanal, neat liquid, thin film: CH3CH2CH2CHO

    Figure 15. Benaldehyde, neat, thin film:

    Figure 16. Chloroform, thin film: CHCl3

    Figure 17. Tri-t-butylmethanol, KBr pellet:

    Figure 18. Butylamine, neat liquid; thin film: CH3CH2CH2CH2NH2

    Figure 19. Benzamide, KBr pellet:

    Figure 20. Diethylamine, neat liquid; thin film: CH3CH2NHCH2CH3

    Figure 21. N-Methyl acetamide, neat liquid; thin film: CH3CONHCH3

    Figure 22. Triethylamine, neat liquid; thin film: (CH3CH2)3N

    Figure 23. N,N-Dimethylacetamide, neat liquid; thin film: CH3CON(CH3)2

    Figure 24. The liquid and vapor spectra of n-hexanol.

    Figure 25. The liquid and vapor spectra of phenol.

    Figure 26. The liquid and vapor spectra of hexanoic acid.

    Figure 27. Decanoic acid, neat liquid, thin film: CH3(CH2)8CO2H

    Figure 28. 4-Chloro-2-nitrophenol, KBr pellet:

    Figure 29. Benzoic acid; KBr disk:

    Figure 30. Benzoic acid, KBr; band distortions and broadening caused by poor grinding, compare

    to Figure 29.

    Figure 31. trans-2-Phenyl-1-cyanoethene, in CHCl3 solution: Ph-CH=CH-CN

    Figure 32. Diethyl acetylenedicarboxylate; neat liquid: C2H5OCO-Cº C-CO2CH2CH3

    Figure 33. Methyl acetate in 0.1 mm NaCl cells: CH3CO2CH3

    Figure 34. Vapor and liquid spectra of ethyl n-hexanoate: CH3CH2CH2CH2CH2CO2CH2CH3

    Figure 35. 5-Hexene-2-one, neat liquid: CH2=CH2CH2CH2COCH3

    Figure 36. Propionic anhydride, neat liquid: CH3CH2CO2COCH2CH3

    Figure 37. Benzoic anhydride, KBr pellet:

    Figure 38. 3-Methylpimelic acid anhydride, KBr pellet:

    Figure 39. 2,5-Dihydrofuran, neat liquid:

    Figure 40. 2,5-Dimethoxy2,5-dihydrofuran, neat liquid:

    Figure 41. 2,3-Dihydrofuran, neat liquid:

    Figure 42. Sodium benzoate, KBr pellet:

    Figure 43. 5-Methyl-3-hexene-2-one, tech. grade, 80%; neat, thin film:

    Figure 44. 3-Nonen-2-one, 95%; neat liquid, thin film:

    Figure 45. Ethyl vinyl ketone, neat liquid: CH3CH2COCH=CH2

    Figure 46. 3-Penten-2-one, neat liquid: CH3CH=CHCOCH3

    Figure 47. Benzyl 4-hydroxyphenyl ketone, Nujol mull:

    Figure 48. Perfluorohydrocarbon oil; thin film

    Figure 49. Quartz; KBr pellet.


    IR Spectra of Selected Compounds is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by LibreTexts.

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