Calculating Effective Spring Constant for CO Molecule

  • Thread starter mathfilip
  • Start date
  • Tags
    Spring
In summary, the conversation discusses calculating the effective spring constant, K, for a CO molecule and its relation to the angular frequency. The given formula is K(CO) = m'*w^2, where m' is the reduced mass and w is the angular frequency. The question arises about the origin of this formula and the suggestion is to analyze the model used to understand it.
  • #1
mathfilip
8
0
I have a question regarding calculationg the effective spring constant, K, for a CO molecule. The actual question regards the relation between the angular frequency for the molecule and the rigidity K. Look at my teachers solution he gives the following formula relating those:

K(CO) = m'*w^2

, where m' is the reduced mass for the CO molecule and w is the angular frequency. I don't understand this formula at all, where does it come from? If someone has some insights in this, please help :)
 
Physics news on Phys.org
  • #2
When you say something about spring, spring constant, etc, when it comes to things other than a real spring, it has to be a model. So how did you model CO molecule? Analyze the model and you will see the answer :wink:
 

What is the definition of effective spring constant?

The effective spring constant is a measure of the stiffness or resistance to deformation of a molecule. It is a calculated value that takes into account the force constants of all the bonds within the molecule.

How is the effective spring constant calculated?

The effective spring constant is calculated using a formula that takes into account the force constants of all the bonds within the molecule, as well as the bond lengths and angles. This calculation is typically done using computational methods or software.

Why is the effective spring constant important for CO molecules?

The effective spring constant is important for CO molecules because it helps to determine the molecule's vibrational frequencies and how it will interact with other molecules or external forces. It also provides insight into the strength of the bonds within the molecule.

What factors can affect the effective spring constant of a CO molecule?

The effective spring constant of a CO molecule can be affected by factors such as changes in the bond lengths or angles due to external forces, changes in the electron density distribution, and changes in the molecular environment.

How can the effective spring constant be experimentally determined?

The effective spring constant can be experimentally determined through techniques such as infrared spectroscopy, which measures the molecule's vibrational frequencies, or through nuclear magnetic resonance (NMR) spectroscopy, which can provide information about bond lengths and angles. However, these experimental methods may not always be accurate and the calculated value may differ from the actual value.

Similar threads

  • Introductory Physics Homework Help
Replies
8
Views
274
  • Introductory Physics Homework Help
Replies
17
Views
236
  • Introductory Physics Homework Help
Replies
14
Views
2K
  • Introductory Physics Homework Help
Replies
17
Views
1K
  • Introductory Physics Homework Help
Replies
1
Views
1K
  • Introductory Physics Homework Help
Replies
17
Views
277
  • Introductory Physics Homework Help
Replies
31
Views
970
  • Introductory Physics Homework Help
Replies
7
Views
6K
  • Introductory Physics Homework Help
Replies
7
Views
789
  • Introductory Physics Homework Help
Replies
10
Views
794
Back
Top