4. The IR and the 'H NMR spectra of an unknown with a molecular formula of C₁1H14O3 are shown below. The questions that follow will guide you in the determination of its structure. a- Determine the degree of unsaturation. Show your calculation. b- Analyze three significant bands in the IR spectra below that conclude on the existing functions in the molecule. MICRONS 6 NICOLET 20SX FT-IR 17 18 19 3 26 27 28 29 3 3.5 4.5 5.5 9 10 11 12 13 14 15 16 21 22 N n 10 3800 3600 3400 3200 3000 2800 2600 2400 2200 1000 1600 WAVENUMBERS F E 2000 D 1800 1400 C 1200 B 800 A 600 10.0 0.1 02 82 58898222 104 05 06 0.7 08 0.9 1.0 20 450
Analyzing Infrared Spectra
The electromagnetic radiation or frequency is classified into radio-waves, micro-waves, infrared, visible, ultraviolet, X-rays and gamma rays. The infrared spectra emission refers to the portion between the visible and the microwave areas of electromagnetic spectrum. This spectral area is usually divided into three parts, near infrared (14,290 – 4000 cm-1), mid infrared (4000 – 400 cm-1), and far infrared (700 – 200 cm-1), respectively. The number set is the number of the wave (cm-1).
IR Spectrum Of Cyclohexanone
It is the analysis of the structure of cyclohexaone using IR data interpretation.
IR Spectrum Of Anisole
Interpretation of anisole using IR spectrum obtained from IR analysis.
IR Spectroscopy
Infrared (IR) or vibrational spectroscopy is a method used for analyzing the particle's vibratory transformations. This is one of the very popular spectroscopic approaches employed by inorganic as well as organic laboratories because it is helpful in evaluating and distinguishing the frameworks of the molecules. The infra-red spectroscopy process or procedure is carried out using a tool called an infrared spectrometer to obtain an infrared spectral (or spectrophotometer).
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