Theory Of Molecular Spectroscopy
- Sciences
- 400 level
- 2 credit units
- 137 pages
- 7 units
This course, Theory of Molecular Spectroscopy (CHM 402), explores the behavior of molecules in the presence of radiation. It covers the principles underlying various spectroscopic methods, emphasizing changes in molecular motion resulting from interactions with radiation. Students will learn about energy estimation, quantum mechanical approaches, and the principles, applications, and instrumentations of various spectroscopic techniques, including infrared, UV/Visible, NMR, and Mössbauer spectroscopy.
About this course
- Difficulty
- Intermediate
- Study hours
- 180 hours
- Maths
- Intermediate
- Content
- Theoretical, practical, problem solving
- Practical work
- Yes
- CHM201
- CHM301
- Assignments
- Tutor marked assessments
- Final examination
What you'll read
The real module and unit structure of CHM402, taken from the course material NOUN publishes.
One paragraph, so you can see how it reads
CHM402 · UNIT 1 QUANTUM THEORY OF ROTATION
The electromagnetic radiation used in spectroscopic analysis of organic compounds span a wide range of wavelengths or frequencies ranging from radio waves 600-200 m to gamma rays <10-12m wavelength units. (See figure 1.0 and table 1.0). The energies increase correspondingly.
What you should be able to do
- Express the energy of rotation and vibration of a molecule in the quantum mechanical sense using the Schrödinger equation.
- Explain the theories of spectroscopy involving rotation, vibration and electronic transition; their instrumentations and applications
- Calculate the maximum wavelength of absorption for conjugated dienes and polyenes.
- Explain the principles of spectroscopy involving the nuclei of atoms, their applications, instrumentation and spectral interpretation.
- Differentiate between nuclear methods.
What it prepares you for
- Spectroscopist
- Analytical Chemist
- Materials Scientist
- Quality Control Analyst
- Research Scientist
- Pharmaceuticals
- Environmental Monitoring
- Materials Science
- Food Chemistry
- Petroleum Industry
- Spectrophotometer
- NMR Spectrometer
- ESR Spectrometer
- Mössbauer Spectrometer
Where it gets hard
The units students slow down on, and what makes each one heavy.
- Module 1: Quantum Theory of Rotation
Unit 1: Quantum Theory of Rotation
Deriving the quantized energy of rotation requires a strong foundation in quantum mechanics and mathematical skills.
- Module 3: Nuclear Magnetic Resonance Spectroscopy
Unit 1: Nuclear Magnetic Resonance Spectroscopy
Interpreting complex NMR spectra and proposing molecular structures requires understanding of chemical shifts, spin-spin coupling, and spectral patterns.
- Module 3: Carbon NMR Spectroscopy and Electron Spin Resonance
Unit 2: Carbon NMR Spectroscopy and Electron Spin Resonance
Understanding the principles of Carbon NMR Spectroscopy and Electron Spin Resonance requires knowledge of quantum mechanics and advanced mathematical skills.
A suggested way through it
13 weeks, about 69 hours in total. Yours will differ.
- Week 1Module 1: Quantum Theory of Rotation
Unit 1: Quantum Theory of Rotation · 3 hours
Review the electromagnetic spectrum and its regions.. Understand Born-Oppenheimer approximation and its significance.. Study the model for a rotating molecule and derive the quantized energy of rotation.. Solve problems related to rotational energy levels and rotational spectra..
- Week 2Module 1: Quantum Theory of Vibration
Unit 2: Quantum Theory of Vibration · 3 hours
Explain the principle of molecular vibration.. State the modes of vibration of polyatomic molecules.. Derive the energy of a vibrating molecule with respect to classical mechanics.. State the energy of a vibrating molecule in quantum mechanics..
- Week 3Module 1: Infrared and Raman Spectroscopy
Unit 3: Infrared and Raman Spectroscopy · 4 hours
Describe the models for stretching and bending vibrations molecules.. Describe the instrumentation and sample preparation for IR.. Explain the theory of Raman spectroscopy.. Distinguish between elastic and inelastic scattering..
- Week 4Module 2: Ultraviolet-violet Spectroscopy
Unit 1: Ultraviolet-violet Spectroscopy · 4 hours
Draw the energy diagram showing electron transitions.. State the allowed and forbidden transitions.. State the applications of UV-visible spectroscopy.. Define important concepts in UV-visible spectroscopy..
- Week 5Module 2: Absorbance and Transmittance
Unit 2: Absorbance and Transmittance · 4 hours
State Beer-Lambert law.. Derive Beer-Lambert law expression.. Solve calculations involving Beer-Lambert law.. Explain the effect of conjugation on λmax..
- Week 6Module 3: Nuclear Magnetic Resonance Spectroscopy
Unit 1: Nuclear Magnetic Resonance Spectroscopy · 5 hours
Explain the principle of NMR spectroscopy.. Describe the operation of an NMR spectrometer.. Discuss factors affecting chemical shift.. Employ the information from NMR spectra to propose the structure a simple organic compounds..
- Week 7Module 3: Carbon NMR Spectroscopy and Electron Spin Resonance
Unit 2: Carbon NMR Spectroscopy and Electron Spin Resonance · 5 hours
Understand the principles of Carbon NMR Spectroscopy.. Learn about Electron Spin Resonance and its applications.. Understand Nuclear Quadrupole Resonance and Mössbauer effect.. Differentiate between these nuclear methods..
- Week 8Module 3: Nuclear Quadrupole and Mössbauer effect
Unit 3: Nuclear Quadrupole and Mössbauer effect · 5 hours
Understand the principles of Nuclear Quadrupole Resonance.. Learn about Mössbauer effect and its applications.. Differentiate between these nuclear methods.. Solve problems related to Nuclear Quadrupole Resonance and Mössbauer effect..
- Week 9Module 1: Review of Module 1
Unit 1: Quantum Theory of Rotation · 3 hours
Review Quantum Theory of Rotation.. Practice problems on rotational energy levels and rotational spectra.. Solve problems related to rotational energy levels and rotational spectra..
Unit 2: Quantum Theory of Vibration · 3 hours
Review Quantum Theory of Vibration.. Practice problems on vibrational energy levels and vibrational spectra.. Solve problems related to vibrational energy levels and vibrational spectra..
- Week 10Module 1: Review of Module 1
Unit 3: Infrared and Raman Spectroscopy · 6 hours
Review Infrared and Raman Spectroscopy.. Practice problems on Infrared and Raman Spectroscopy.. Solve problems related to Infrared and Raman Spectroscopy..
- Week 11Module 2: Review of Module 2
Unit 1: Ultraviolet-violet Spectroscopy · 4 hours
Review Ultraviolet-violet Spectroscopy.. Practice problems on Ultraviolet-violet Spectroscopy.. Solve problems related to Ultraviolet-violet Spectroscopy..
Unit 2: Absorbance and Transmittance · 4 hours
Review Absorbance and Transmittance.. Practice problems on Absorbance and Transmittance.. Solve problems related to Absorbance and Transmittance..
- Week 12Module 3: Review of Module 3
Unit 1: Nuclear Magnetic Resonance Spectroscopy · 4 hours
Review Nuclear Magnetic Resonance Spectroscopy.. Practice problems on Nuclear Magnetic Resonance Spectroscopy.. Solve problems related to Nuclear Magnetic Resonance Spectroscopy..
Unit 2: Carbon NMR Spectroscopy and Electron Spin Resonance · 4 hours
Review Carbon NMR Spectroscopy and Electron Spin Resonance.. Practice problems on Carbon NMR Spectroscopy and Electron Spin Resonance.. Solve problems related to Carbon NMR Spectroscopy and Electron Spin Resonance..
- Week 13Module 3: Review of Module 3
Unit 3: Nuclear Quadrupole and Mössbauer effect · 8 hours
Review Nuclear Quadrupole and Mössbauer effect.. Practice problems on Nuclear Quadrupole and Mössbauer effect.. Solve problems related to Nuclear Quadrupole and Mössbauer effect..
Preparing for the exam
- Create concept maps linking Modules 1-3 spectroscopic techniques.
- Practice solving problems from Units 2-4 involving Beer-Lambert Law calculations.
- Review the instrumentation and applications of each spectroscopic method (Units 5-7).
- Focus on understanding the factors affecting chemical shift in NMR (Unit 8).
- Practice interpreting spectra from past exam papers (Units 9-10).
- Create flashcards for key terms and definitions from all units.
- Allocate specific time slots for revision each week, focusing on weaker areas.
Questions students ask about this course
What is CHM402 about?
This course, Theory of Molecular Spectroscopy (CHM 402), explores the behavior of molecules in the presence of radiation. It covers the principles underlying various spectroscopic methods, emphasizing changes in molecular motion resulting from interactions with radiation. Students will learn about energy estimation, quantum mechanical approaches, and the principles, applications, and instrumentations of various spectroscopic techniques, including infrared, UV/Visible, NMR, and Mössbauer spectroscopy.
How many units does CHM402 have?
CHM402, Theory Of Molecular Spectroscopy, has 7 units across 3 modules, over 137 pages of course material. You can read it one unit at a time.
How many credit units is CHM402?
CHM402 carries 2 credit units, at 400 level in Sciences.
Is CHM402 hard?
CHM402 is rated intermediate level, with intermediate mathematical content. It is mostly theoretical, practical and problem solving work, and it has a practical component.
How long does CHM402 take to study?
About 180 hours of study, spread across its 7 units.
How is CHM402 assessed?
CHM402 is assessed by assignments, tutor marked assessments and final examination.
What do I need before starting CHM402?
CHM201 CHM301
What can I do with CHM402?
Spectroscopist, Analytical Chemist, Materials Scientist, Quality Control Analyst and Research Scientist.