Symmetry Operations

• Introduction
• Identity
• Reflection
• Inversion
• Proper Rotation
• Improper Rotation

Example Molecules

• Water
• Benzene
• Ethane (staggered)
• Methane

Going Further

• Point groups
• Applications

This project supported by
NSF-DUE #0536710

HTML5 • Java

Methane (T_d)

Reflection Planes

Proper (C₃) Rotation Axes

Proper/Improper (C₂/S₄) Rotation Axes

Methane belongs to the T_d point group.