Projection operator method: vibrations of water (H₂O)

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01:12 Reducible representation for 3N degrees of freedom
06:12 Reduction of reducible representation
18:03 Subtracting out rotations and translations
20:46 Effect of each symmetry operation on representative bond stretch
22:13 A1 stretch
22:53 B1 stretch
25:23 Effect of each symmetry operation on representative bond bend
26:33 A1 bend

Derivation of the normal modes of vibration for water (H₂O) - point group C₂v - by the projection operator method.

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01:12 Reducible representation for 3N degrees of freedom
06:12 Reduction of reducible representation
18:03 Subtracting out rotations and translations
20:46 Effect of each symmetry operation on representative bond stretch
22:13 A1 stretch
22:53 B1 stretch
25:23 Effect of each symmetry operation on representative bond bend
26:33 A1 bend

lseinjr
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This is great. My only suggestion would be to include a small character table in the screen so the viewer can follow along with that part of it instead of you just saying what it is. Thank you so much for all your videos, they have been so helpful!

terrypaske
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thank you soooo much for making this great teaching video!!!

ellyhung
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How many vibrations does it have [Co(NH3)6]?

ΜαριαΠ-λη
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how to know the activity in IR or Raman Spectra ?

ahmedamer
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Sir, last video BCl3 projection operation you count bonds, like for identity value of 'R' is 3 but in that video you count atoms which don't change it place, kindly tell me which I consider?

fayizali
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My sir said we also do projection operation for bending modes ..can you please explain???

bhagyashreec