How the choice of a computational model could rule the chemical interpretation: The Ni(II) catalyzed ethylene dimerization as a case study Export

@article{citeulike:5968561, abstract = {In this article, we present a critical study of the theoretical protocol used for the determination of the nickel(II) catalyzed ethylene dimerization mechanism, considered as a representative example of the various problems related to the modeling a catalytic cycle. The choice of an appropriate computational procedure is indeed crucial for the validity of the conclusions that will be drawn from the computational process. The influence of the exchange-correlation functional on energetic profiles and geometries, the role of the basis set describing the metal atom, as well as the importance of the chosen molecular model, have been thus examined in details. From the obtained results, some general conclusions and guidelines are presented, which could constitute useful warnings in modeling homogenous catalysis. Besides, the database constituted by our high-level calculations can be used within benchmarking procedures to assess the performances of new computational methods based on density functional theory. {\copyright} 2009 Wiley Periodicals, Inc. J Comput Chem 2010}, address = {Laboratoire d'Electrochimie, Chimie des Interfaces et Mod\'{e}lisation pour l'Energie, CNRS UMR 7575, Ecole Nationale Sup\'{e}rieure de Chimie de Paris Chimie ParisTech, 11 rue P. et M. Curie, F-75231 Paris Cedex 05, France; Ecole Polytechnique, CNRS, Laboratoire ldquoH\'{e}t\'{e}ro\'{e}l\'{e}ments et Coordinationrdquo, 91128 Palaiseau Cedex, France}, author = {Tognetti, Vincent and Le Floch, Pascal and Adamo, Carlo}, citeulike-article-id = {5968561}, citeulike-linkout-0 = {http://dx.doi.org/10.1002/jcc.21392}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/122638237/ABSTRACT}, doi = {10.1002/jcc.21392}, issn = {1096-987X}, journal = {Journal of Computational Chemistry}, number = {9999}, pages = {NA+}, posted-at = {2009-10-18 22:16:01}, priority = {2}, title = {How the choice of a computational model could rule the chemical interpretation: The Ni(II) catalyzed ethylene dimerization as a case study}, url = {http://dx.doi.org/10.1002/jcc.21392}, volume = {9999}, year = {2009} }

TY - JOUR ID - citeulike:5968561 L3 - citeulike-article-id:5968561 N2 - In this article, we present a critical study of the theoretical protocol used for the determination of the nickel(II) catalyzed ethylene dimerization mechanism, considered as a representative example of the various problems related to the modeling a catalytic cycle. The choice of an appropriate computational procedure is indeed crucial for the validity of the conclusions that will be drawn from the computational process. The influence of the exchange-correlation functional on energetic profiles and geometries, the role of the basis set describing the metal atom, as well as the importance of the chosen molecular model, have been thus examined in details. From the obtained results, some general conclusions and guidelines are presented, which could constitute useful warnings in modeling homogenous catalysis. Besides, the database constituted by our high-level calculations can be used within benchmarking procedures to assess the performances of new computational methods based on density functional theory. © 2009 Wiley Periodicals, Inc. J Comput Chem 2010 IS - 9999 JF - Journal of Computational Chemistry SN - 1096-987X AD - Laboratoire d'Electrochimie, Chimie des Interfaces et Modélisation pour l'Energie, CNRS UMR 7575, Ecole Nationale Supérieure de Chimie de Paris Chimie ParisTech, 11 rue P. et M. Curie, F-75231 Paris Cedex 05, France; Ecole Polytechnique, CNRS, Laboratoire ldquoHétéroéléments et Coordinationrdquo, 91128 Palaiseau Cedex, France TI - How the choice of a computational model could rule the chemical interpretation: The Ni(II) catalyzed ethylene dimerization as a case study VL - 9999 SP - NA AU - Tognetti, Vincent AU - Le Floch, Pascal AU - Adamo, Carlo PY - 2009/// UR - http://dx.doi.org/10.1002/jcc.21392 ER -