Step 5: Draw the structure that best fits the mass spec data. Let's review the results of the previous steps. Step 1: The molecular ion is 27. Step 2: There are no Cl or Br atoms based on isotope pattern. Step 3: The molecular ion is odd, so there is one nitrogen. Now consider Step 4 as it relates to the unknown compound. Step 4: examine the largest peaks and calculate the difference from the molecular ion. Look for common alkyl fragments. The mass spec data shows only one base peak at m/z 27, and a smaller peak at 26, so there are no alkyl fragments. One nitrogen atom will have a molecular weight of 14, leaving 13 amu for the remaining unknown portion. A molecular weight of 13 amu can only correspond to one carbon atom and one nitrogen atom, giving the molecular formula of CHN.
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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