The bond length in 12CH molecule is 112 pm. The force constant of the bond is 448 Nm^1. Use harmonic approximation to predict the vibration-rotation spectrum of the molecule. a) Calculate the wavenumber ( in cm^1 ) of the band origin. b) Calculate the wavenumbers ( in cm^1 ) of the second peaks of the P and R branches.
The bond length in 12CH molecule is 112 pm. The force constant of the bond is 448 Nm^1. Use harmonic approximation to predict the vibration-rotation spectrum of the molecule. a) Calculate the wavenumber ( in cm^1 ) of the band origin. b) Calculate the wavenumbers ( in cm^1 ) of the second peaks of the P and R branches.
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Question
The bond length in 12CH molecule is 112 pm. The force constant of the bond
is 448 Nm^1.
Use harmonic approximation to predict the vibration-rotation spectrum of the
molecule.
a) Calculate the wavenumber ( in cm^1 ) of the band origin.
b) Calculate the wavenumbers ( in cm^1 ) of the second peaks of the P and R branches.
![h= 6.626x103ª J.s c=2.998x10° m.s 1 eV = 1.6022x1019) 1A = 10 10 m,
1/2
6
dx =
8a2
(:)"" sin50 do
16
me =9.109x10-31
kg, k= 1.3807x10-23 J/K S0 x*e-ax²
15](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb1f2e65f-6e80-4fd3-b7f7-5665703de78b%2F424c0037-65b2-43c1-9d23-79be1a56770e%2Fqigqjp5_processed.png&w=3840&q=75)
Transcribed Image Text:h= 6.626x103ª J.s c=2.998x10° m.s 1 eV = 1.6022x1019) 1A = 10 10 m,
1/2
6
dx =
8a2
(:)"" sin50 do
16
me =9.109x10-31
kg, k= 1.3807x10-23 J/K S0 x*e-ax²
15
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