Transition State Search Using a Guided Direct Inversion in the Iterative Subspace Method

2012 ◽  
Vol 8 (12) ◽  
pp. 5175-5179 ◽  
Author(s):  
Joseph W. May ◽  
Jeremy D. Lehner ◽  
Michael J. Frisch ◽  
Xiaosong Li
Keyword(s):  
Transition State ◽  
Subspace Method ◽  
Direct Inversion ◽  
Transition State Search

Error vector choice in direct inversion in the iterative subspace method

10.1002/jcc.4 ◽  
1996 ◽  
Vol 17 (16) ◽  
pp. 1836-1847 ◽  
Author(s):  
Irina V. Ionova ◽  
Emily A. Carter
Keyword(s):  
Subspace Method ◽  
Error Vector ◽  
Direct Inversion

scholarly journals Exploration of Transition State Search in Physical Chemistry

Daxue Huaxue ◽  
2021 ◽  
Vol 0 (0) ◽  
pp. 2012018-0
Author(s):  
Xin Zhang ◽  
Peinan He
Keyword(s):  
Physical Chemistry ◽  
Transition State ◽  
Transition State Search

Application of numerical basis sets with a family of DFT methods to predict the transition states of Diels-Alder reactions: Assessing the accuracy through synchronous transit method

2017 ◽  
Author(s):  
Saurav Dutta ◽  
Bhabani S. Mallik
Keyword(s):  
Transition State ◽  
Alder Reaction ◽  
Diels Alder ◽  
Computational Method ◽  
Basis Set ◽  
Basis Sets ◽  
Gaussian Basis Sets ◽  
Dft Methods ◽  
Diels Alder Reaction ◽  
Transition State Search

<div> <table> <tr> <td> <p>Knowledge of the transition state is crucial in determining the mechanism in order to diversify the applicability of the reaction. The computational method is the most convenient way to locate the transition state in the absence any efficient experimental technique. We have applied the method of the transition state search on the Diels-Alder reaction computationally by means of combined linear synchronous transit and quadratic synchronous transit methods. Here we have shown that, of various methods adopted, BOP functional with numerical basis set provides a computationally economical alternative to the widely used B3LYP functional with higher Gaussian basis sets in the transition state search. It can reproduce the experimental parameters like activation energy of the Diels-Alder reaction, and the calculations are much faster than the corresponding other functional based calculations.</p> </td> </tr> </table> </div>

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