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Título

Complexes between dihydrogen and amine, phosphine, and arsine derivatives. Hydrogen bond versus pnictogen interaction

Autor Grabowski, S. J.; Alkorta, Ibon
Fecha de publicación 2013
EditorAmerican Chemical Society
Citación The journal of physical chemistry, A, Molecules, spectroscopy, kinetics, environment & general theory 117: 3243- 3251 (2013)
ResumenA theoretical study of the complexes between dihydrogen, H2, and a series of amine, phosphine, and arsine derivatives (ZH3 and ZH2X, with Z = N, P, or As and X = F, Cl, CN, or CH3) has been carried out using ab initio methods (MP2/aug-cc-pVTZ). Three energetic minima configurations have been characterized for each case with the H 2 molecule in the proximity of the pnictogen atom (Z). In configuration A, the σ-electrons of H2 interact with σ-hole region of the pnictogen atom generated by the of X-Z bond. These complexes can be ascribed as pnictogen bonded. In configuration C, the lone electron pair of Z acts as the Lewis base, and H2 plays the role of the Lewis acid. Finally, configuration B presents a variety of noncovalent interactions depending on the binary complex considered. The atoms-in-molecules theory (AIM), natural bond orbitals (NBO) method as well as the density functional theory-symmetry adapted perturbation theory (DFT-SAPT) approach were used in this study to deepen the nature of the interactions considered. © 2013 American Chemical Society.
URI http://hdl.handle.net/10261/96070
DOI10.1021/jp4016933
Identificadoresdoi: 10.1021/jp4016933
issn: 1089-5639
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