WEB TUTORIAL - Group Theory

H₂O Worked Example

It may help to follow this tutorial whilst looking at The Flow Diagram to follow the process of arriving at the point group.

Help

A C_n axis is any rotation that gives the same configuration. E.g. A rotation of 180° will give a C₂ axis, which can be seen in allene which has 3 C₂ axes.

Below shows two of the possible three allene C₂ axes:

Is there a C_n axis present in water?
YES
NO