Once the molecule file is fully loaded, the image at right will become live. At that time the "activate 3-D" icon will disappear.

Vibrational Frequencies for Ozone

Vibrational Modes

Molecules are in constant motion by transnational, vibrational or rotational movement. For poly-atomic molecules the possible modes of vibration are symmetric, asymmetric, wagging, scissoring, twisting and rocking. Specifically, for a triatomic molecule, there are only three independent modes of vibration available. Below are the modes of vibration for ozone.

Symmetric
The outer oxygens are moving in and out at the same rate.

To view the symmetric stretch of ozone, click the SymmetricStretching tab below.

Asymmetric
The outer oxygens are moving in and out at different rates.

To view the asymmetric stretch of ozone, click the AsymmetricStretching tab below.

Scissoring
The outer oxygens come close to each other and then move back out. It is called scissoring because the atoms follow the same motion as scissors.

To view the scissoring motion of ozone, click the Scissoring tab below.

Ozone IR Graph: NIST Ozone IR

As seen on the IR graph provided by NIST, our ozone vibrations do not perfectly match up with their spectrum. You can view Ozone's calculated vibrational frequencies by right clicking the image and going to model. The wave-number will be displayed next to the model that you are looking at.

It can be assumed that the 1100cm-1 wave-number on the NIST graph refers to the symmetric stretching vibration in ozone.

To view the symmetric stretch of ozone, click the SymmetricStretching1 tab below.

The 1050cm-1 wave-number on NIST graph refers to the asymmetric stretching vibration in ozone.

To view the asymmetric stretch of ozone, click the AsymmetricStretching1 tab below.

The 700cm-1 wave-number on NIST graph refers to the scissoring vibration in ozone.

To view the scissoring motion of ozone, click the Scissoring1 tab below.

For partial atomic charges and dipole moments, click here:
Charges

Page skeleton and JavaScript generated by the Export to Web module of Jmol 14.31.24 2021-01-13 21:13 on Mar 4, 2021.

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