Principles of Instrumental Analysis
Principles of Instrumental Analysis
7th Edition
ISBN: 9781305577213
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cengage Learning
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Question
Transmitance 1.2 1.0 0.8 0.6 0.4 0.2 0.0 3500 3000 2500 Wavenumbers (cm-1) 2000 1500 1000 500 50
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Transcribed Image Text:Transmitance 1.2 1.0 0.8 0.6 0.4 0.2 0.0 3500 3000 2500 Wavenumbers (cm-1) 2000 1500 1000 500 50
Infrared Spectroscopy (IR) is very useful for determining the functional groups present in an organic molecule. For each of the spectra below, complete the following: • Build the molecule in Spartan and describe the motion of the molecule at each key absorption frequency • Identify key absorption frequencies in the spectrum and identify the type of stretch/bend/wag/etc. (i.e. O-H) • Match the spectra from the provided structures • Identify the main functional groups in the molecule OH A B F D E H OH NH2 J
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Transcribed Image Text:Infrared Spectroscopy (IR) is very useful for determining the functional groups present in an organic molecule. For each of the spectra below, complete the following: • Build the molecule in Spartan and describe the motion of the molecule at each key absorption frequency • Identify key absorption frequencies in the spectrum and identify the type of stretch/bend/wag/etc. (i.e. O-H) • Match the spectra from the provided structures • Identify the main functional groups in the molecule OH A B F D E H OH NH2 J
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