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• W2063679753 abstract "The intramolecular Se⋯N interactions between the selenium and the nitrogen atom in three series of o-substituted organoselenium compounds has been studied using density functional theory (DFT). The nature and the strength of these interactions and their dependence on substituents, the chelate ring size as well as the rigidity are predicted using a B3LYP/6-31G(d)/LanL2DZ method. The strength of the Se⋯N interactions is found to be dependent on the nature of Se–X (X = Cl, Br, I, SPh, CH2Ph; Ph: Phenyl) acceptor orbitals and follow the order I > Br > Cl > SPh > CH2Ph. The natural bond orbital (NBO) analysis using DFT methods points to nN→σ*Se–X electron delocalization as the key contributing factor towards Se⋯N nonbonding interactions. Both NBO and atoms in molecules (AIM) methods suggest that the intramolecular interaction in the organoselenium compounds is dominantly covalent in nature. Studies on the effect of solvent on the Se⋯N interaction show that a polar solvent stabilizes the Se⋯N interactions by shortening the Se⋯N distances." @default.
• W2063679753 created "2016-06-24" @default.
• W2063679753 creator A5000271918 @default.
• W2063679753 creator A5033270489 @default.
• W2063679753 date "2012-01-01" @default.
• W2063679753 modified "2023-09-24" @default.
• W2063679753 title "Effect of chelate ring and rigidity on Se⋯N interactions: a computational study" @default.
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• W2063679753 doi "https://doi.org/10.1039/c2ra20591b" @default.
• W2063679753 hasPublicationYear "2012" @default.
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