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Spectroscopy Interpretation

Identify organic compounds using Infrared (IR) and Mass Spectrometry (MS) data
4000350030002500200015001000500Wavenumber (cm⁻¹)Transmittance (%)

Analysis Highlights

Observed Bonds
  • O-H (alcohol)3230-3670 cm⁻¹
  • C-H2850-2960 cm⁻¹
  • C-O1050-1150 cm⁻¹
Spectral Shape

Broad peak observed, strongly suggesting O-H groups.

Identify Compound

HKDSE Tip

  • IR alcohol O-H:
    Alcohol O-H peak is broad (3230-3670 cm⁻¹).
  • IR carboxylic acid O-H:
    Carboxylic acid O-H is even broader (2500-3000) and overlaps C-H.
  • MS base peak:
    Base peak in MS is the 100% intensity peak.