qm/mm yang paper

14
1 10.1021/jp805137x 1 Monday, January 31, 2011

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Page 1: QM/MM  Yang Paper

1

10.1021/jp805137x

1Monday, January 31, 2011

Page 2: QM/MM  Yang Paper

The QM regionB3LYP/6-31G(d):Charmm22/TIP3P

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2Monday, January 31, 2011

Page 3: QM/MM  Yang Paper

Covalent boundary

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10.1063/1.478083

3Monday, January 31, 2011

Page 4: QM/MM  Yang Paper

Explicit Solvationand > 20 Å constraints

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Page 5: QM/MM  Yang Paper

TS found using Quadratic String method(and QST3?)from Suppl. Mat.:

10.1063/1.2816557:

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Page 6: QM/MM  Yang Paper

Dynamics: The Minimum Free Energy Path

equations from Supp. Mat.6

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Page 7: QM/MM  Yang Paper

Dynamics: The Minimum Free Energy Path

10.1063/1.28165577

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Page 8: QM/MM  Yang Paper

0 0

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E rQM ,rMM( ) = Ψ Heff Ψ + EQM /MMESP rQM ,rMM( ) − EQM /MM

ESP rQM ,rMM0( )⎡⎣ ⎤⎦

+EQM /MM ,vdw rQM ,rMM( ) + EQM /MM ,cov rQM ,rMM( ) + E rMM( )

10.1063/1.28165578

constantduring MD

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Page 9: QM/MM  Yang Paper

requires 1 ab initio QM/MM gradient per opt step

10.1063/1.2816557

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Page 10: QM/MM  Yang Paper

10.1063/1.281655710

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Page 11: QM/MM  Yang Paper

10.1063/1.2816557

10.1146/annurev.physchem.59.032607.09361811

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Page 12: QM/MM  Yang Paper

10.1063/1.281655712

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Page 13: QM/MM  Yang Paper

QM charges depend on QM and MM geometry

13 10.1063/1.2816557

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Page 14: QM/MM  Yang Paper

Results

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14Monday, January 31, 2011