Lab 11 Nuclear Magnetic Resonance CHEM251L
Student Name: Click here to enter text.
Access Code (located on the lid of your lab kit): Click here to enter text.
Lab Report Format Expectations
Utilize college level grammar and professional formatting when completing this worksheet.
All drawings must be clear and presented in high resolution photos with your handwritten name clearly
visible in the background.
Pre-Lab Questions
1. NMR Spectroscopy differs from IR Spectroscopy in that NMR utilizes magnetic fields and
electromagnetic radiation in the radio frequency range. What is the purpose of the magnetic
field in NMR Spectroscopy?
Click here to enter text.
2. The Degree of Unsaturation formula can be used to help identify the structure of a molecule.
Write out the Degree of Unsaturation formula. What starting information is required to use this
formula to determine the molecular structure?
Click here to enter text.
, Lab 11 Nuclear Magnetic Resonance CHEM251L
Exercise 1
Introduction Questions
1. What does the area under each peak represent in the 1H-NMR? Suppose you have two peaks,
one that integrates to an area of 1 and another that integrates to an area of 3, what does this
tell you about the hydrogens represented by these peaks?
Click here to enter text.
2. What does the splitting in the peaks tell you about the hydrogens in a 1H-NMR?
Click here to enter text.
Data and Observations
Data Table 1: Peak Assignment for NMR Spectra 1
Degree of Unsaturation: Click here to enter text.
Peak (ppm) Integration Multiplicity
Click here to enter text. Click here to enter text. Click here to enter text.
Click here to enter text. Click here to enter text. Click here to enter text.
Click here to enter text. Click here to enter text. Click here to enter text.
Click here to enter text. Click here to enter text. Click here to enter text.
Student Name: Click here to enter text.
Access Code (located on the lid of your lab kit): Click here to enter text.
Lab Report Format Expectations
Utilize college level grammar and professional formatting when completing this worksheet.
All drawings must be clear and presented in high resolution photos with your handwritten name clearly
visible in the background.
Pre-Lab Questions
1. NMR Spectroscopy differs from IR Spectroscopy in that NMR utilizes magnetic fields and
electromagnetic radiation in the radio frequency range. What is the purpose of the magnetic
field in NMR Spectroscopy?
Click here to enter text.
2. The Degree of Unsaturation formula can be used to help identify the structure of a molecule.
Write out the Degree of Unsaturation formula. What starting information is required to use this
formula to determine the molecular structure?
Click here to enter text.
, Lab 11 Nuclear Magnetic Resonance CHEM251L
Exercise 1
Introduction Questions
1. What does the area under each peak represent in the 1H-NMR? Suppose you have two peaks,
one that integrates to an area of 1 and another that integrates to an area of 3, what does this
tell you about the hydrogens represented by these peaks?
Click here to enter text.
2. What does the splitting in the peaks tell you about the hydrogens in a 1H-NMR?
Click here to enter text.
Data and Observations
Data Table 1: Peak Assignment for NMR Spectra 1
Degree of Unsaturation: Click here to enter text.
Peak (ppm) Integration Multiplicity
Click here to enter text. Click here to enter text. Click here to enter text.
Click here to enter text. Click here to enter text. Click here to enter text.
Click here to enter text. Click here to enter text. Click here to enter text.
Click here to enter text. Click here to enter text. Click here to enter text.
