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許慧霖-第十一週作業

•Find the transition state and calculate the barrier height (ΔV≠) for the following reaction and compare with the previous assignment.

reaction H2 + H → H + H2

methodMP2/6-31+G(d,p)

Tip: When you calculate ts, remember to calculate irc.

1111

energy

Sparatn

Gaussian

h
(hartrees)

-0.43539

 

h2
(hartrees)

-1.15761

 

transition state
(hartrees)

-1.63152

-1.51177

the barrier height
(hartrees)

-0.03852

 

the barrier height
(kcal/mol)

-24.17

 

error
(kcal/mol)

-75.15

 

1 hartree = 627.5095 kcal/mol(資料來源:https://lab409chem.ccu.edu.tw/var/file/80/1080/img/866/qchem.pdf

Sparatan1   Gaussian 1

Irc

1

111111

•Find the transition state and calculate the barrier height (ΔV≠) for the following reaction.

reaction CH4 +OH․→ H2O + CH3․

methodMP2/6-31+G(d,p)

1

11

11

 

 

energy

ch4
(hartrees)

-40.36571

oh
(hartrees)

-75.54081

transition state
(hartrees)

-115.88957

the barrier height
(hartrees)

0.01695

the barrier height
(kcal/mol)

10.64

1 hartree = 627.5095 kcal/mol(資料來源:https://lab409chem.ccu.edu.tw/var/file/80/1080/img/866/qchem.pdf

Calculate all the exercises in Chapter 11 of the Spartan 20 Tutorial and User's Guide.

11

111

CH4 +OH․→ H2O + CH3

1

https://drive.google.com/drive/folders/1jpsjaOmktBgyBlKiRO8J62krSfjf5JuV?usp=share_link

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