Lecture 25

Lecture 25 - Chem 338 Lecture 25 State to State Chemistry...

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Chem 338 C h em 3 3 8 L e c t u r e 2 5 State to State Chemistry 1. Molecular Beams a. Selectivity b. Cross section: σ R π ( r A + r B ) 2 P c. Threshold and tunneling d. State selection e. σ R ( E , J i , v i , J f , v f ) f. Non - Boltzmann distributions g. Angular distributions 2. Reaction Dynamics a. Trajectories b. Polanyi: End to end vs End to side PES c. Now we understand σ R ( , J i , v i , J f , v f )
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Chem 338 1. Molecular Beams a. Selectivity
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Chem 338 Supersonic Beams
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Chem 338 b. Cross section: σ R π ( r A + r B ) 2 P N () 1 2 2 8 / ,( / ) AB A B Steric Fact BA B AB re or B at E kT Arrheni rr CrossSect kT m m mm o us in E e π σ ΑΒ ⎡⎤ ⎛⎞ −Δ + + ⎢⎥ ⎜⎟ ⎝⎠ ⎣⎦ υ ±²²²²³ ² ² ±²²²²²³ ±²²³ ² ²²²²²´ ² ² ´ ²´ P
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Chem 338 c. Threshold and tunneling
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Chem 338 d. State selection
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Chem 338 e. σ R ( E , J
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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 25 - Chem 338 Lecture 25 State to State Chemistry...

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