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The theoretical investigation of intermolecular interactions between iminophosphorane and HSX (X = F, Cl and Br)
Ist Teil von
Journal of the Iranian Chemical Society, 2021, Vol.18 (1), p.139-149
Ort / Verlag
Berlin/Heidelberg: Springer Berlin Heidelberg
Erscheinungsjahr
2021
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
MP2/aug-cc-pVDZ calculations were employed to interpret the molecular interactions of iminophosphorane (IP) and HSX (X = F, Cl and Br). The halogen bond (X···N), hydrogen bond (H···N, H···X, H···S) and S···N interactions were found for complex formation between IP and HSX molecules. Among the predicted models, the S···N and H···N interactions have been recognized as important types of these interactions which were more stable than other types. Quantum theory of atoms in molecules and natural bond orbital methods were used in this study to dissect the nature of these interactions and charge distribution of IP and IP···HSX structures. To further explore the interactions, the interaction energies, the electron density (
ρ
), the Laplacian (∇
2
ρ
), the bond ellipticity (
ɛ
), the second-order perturbation energies (
E
(2)
) and the charge transfer qCT were analyzed. Reasonable coincidence of value has been found in these interactions.