Question

The infrared spectrum of 1H19F has an intense line at 3961.64 cm⁻¹. The atomic masses in amu are as follows: 1H - 1.0078, 19F - 18.9984. 1) Calculate the force constant of this molecule. 2) Calculate the period of vibration of this molecule.

Name: the infrared spectrum of 1h19f1h19f has an intense line at 396164 cm1cm1 the atomic masses in amuamu are as follows 1h1h 10078 19f19f 189984 1 calculate the force constant of this molecule 2 56358
Uploaded: 2021-11-16T08:34:28-08:00
Duration: 3 min 51 s
Channel: Vaidik Stats
Description: the infrared spectrum of 1h19f1h19f has an intense line at 396164 cm1cm1 the atomic masses in amuamu are as follows 1h1h 10078 19f19f 189984 1 calculate the force constant of this molecule 2 56358

          The infrared spectrum of 1H19F has an intense line at 3961.64 cm⁻¹. The atomic masses in amu are as follows: 1H - 1.0078, 19F - 18.9984.
1) Calculate the force constant of this molecule.
2) Calculate the period of vibration of this molecule.

Added by Jonathon S.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Vaidik Stats

11/16/2021

Step 1

The vibrational frequency \( \nu \) is related to the force constant \( k \) and the reduced mass \( \mu \) by the formula: \[ \nu = \frac{1}{2\pi} \sqrt{\frac{k}{\mu}} \] Given that the wavenumber \( \tilde{\nu} \) is 3961.64 cm\(^{-1}\), we can convert this Show more…

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The infrared spectrum of 1H19F has an intense line at 3961.64 cm⁻¹. The atomic masses in amu are as follows: 1H - 1.0078, 19F - 18.9984. 1) Calculate the force constant of this molecule. 2) Calculate the period of vibration of this molecule.