5.111SC | Fall 2014 | Undergraduate
Principles of Chemical Science
Unit II: Chemical Bonding & Structure

Lecture 13: Molecular Orbital Theory

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Image excerpted from Lecture 13 Notes 

  1. Molecular Orbital Theory
    1. Homonuclear Molecules with MOs Originating from s Orbitals
    2. Homonuclear Molecules with MOs Originating from s and p Orbitals
    3. Heteronuclear Diatomic Molecules

Lecture Video

Why do some atoms readily form bonds with each other and other atoms don’t? Using molecular orbital theory, we can rationalize why molecular hydrogen (H2) is an abundant molecule whereas molecular helium (He2) is not. If you want to power your starship with dilithium (Li2) crystals, you should watch this lecture.

Lecture Notes

Notes for Lecture 13 (PDF)

Clicker Questions

Lecture 13 Clicker Questions (PDF)

Textbook Reading

The Limitations of Lewis’s Theory Section 3.8 Section 3.8
Molecular Orbitals Section 3.9–3.11 Section 3.9–3.11

Problems and Solutions

Problems for Lecture 13 (PDF)

Solutions for Lecture 13 (PDF)

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Course Info
As Taught In
Fall 2014
Learning Resource Types
theaters Lecture Videos
notes Lecture Notes
assignment_turned_in Problem Sets with Solutions
grading Exams with Solutions
theaters Other Video
co_present Instructor Insights