Lecture 7 - Chem 338 Lecture 7 Molecular Partition...

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Chem 338 C h em 3 3 8 L e c t u r e 7 Molecular Partition Functions: Vibrational & Electronic 1. Vibrational: 2. Electronic: 3. Total: q molecular = q trans q rot q vib q elec a. Molar Partition Function: b. Internal Energy, U : c. Heat Capacity, C V : ( ) 2 1 // vib hv k T hv k T jB j B j qe e −− = ( ) 2 , ln B NV Q Uk T T = ( ) , V U C T [] (,) ! A N A qV T Q N = 21 () / elec J B J L Sk T qJ e ε = +
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Chem 338 Molecular Partition Functions: q = q trans q rot q vib q elec Translation Rotation Vibration Electronic Atoms 32 2 2 / B Mk T V h π ⎡⎤ ⎢⎥ ⎣⎦ ________ ________ ( ) () 21 JB LSkT JLS Je ε −• =+ + G GG Diatomic
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This note was uploaded on 06/28/2010 for the course CHEM 338 taught by Professor Petersson during the Spring '10 term at Wesleyan.

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Lecture 7 - Chem 338 Lecture 7 Molecular Partition...

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