The (H2C = NH2+)Ar isomeric complexes recently observed by Duncan and coworkers using gas phase infraredspectroscopy [Chem. Phys. Lett. 726 (2019) 53-56] were theoretically investigated by different techniques ofbonding analysis. The higher stability of the NH-coordinated complex with respect to the C-coordinated onearises from a major contribution of the inductive binding component, the electrostatic and dispersion contributionsbeing, instead, comparable in the two isomers. A similar situation expectedly occurs in other complexesof the noble-gas atoms with unsaturated and aromatic ions, observed to feature the competitive occurrenceof a more stable H-bonded isomer and a less stable ?-stacked one.
Complexes of the noble-gas atoms with unsaturated ions: A theoretical investigation on the exemplary (H2C = NH2 +)Ar
Borocci S;Sanna N
2020
Abstract
The (H2C = NH2+)Ar isomeric complexes recently observed by Duncan and coworkers using gas phase infraredspectroscopy [Chem. Phys. Lett. 726 (2019) 53-56] were theoretically investigated by different techniques ofbonding analysis. The higher stability of the NH-coordinated complex with respect to the C-coordinated onearises from a major contribution of the inductive binding component, the electrostatic and dispersion contributionsbeing, instead, comparable in the two isomers. A similar situation expectedly occurs in other complexesof the noble-gas atoms with unsaturated and aromatic ions, observed to feature the competitive occurrenceof a more stable H-bonded isomer and a less stable ?-stacked one.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
