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Anion can be identified by pyromellitic imide-azacyclophane which is one of the host compounds.This article investigated the interaction between the host and organic pollution compounds.The host and other eight compounds were optimized by DFT(density functional theory) B3LYP/6-31G level and the energy of compounds was corrected using Boys-Bemardi method.On the basis of B3LYP/6-31G optimized geometries,the RDG function and sign(λ2(r))ρ(r) function values of space points were calculated,and color RDG isosurface map was drawn.3He chemical shift was calculated by the B3LYP/6-31G method.The results showed that the eight organic pollution molecules with the host one shaped stable configurations by hydrogen bonds,respectively.The stabilization energy of complexes 4 and 7 showed repulsion(steric effects) of cyclophane cage observably affecting the stability of the complexes.The location,intensity and the type of interaction in complex 1 were analyzed through color-filled RDG isosurface map.Aromaticity calculations showed that the weak interaction reduced the transverse induction ring current in the host rings,and deteriorated the aromaticity of compounds.
Anion can be identified by pyromellitic imide-azacyclophane which is one of the host compounds.This article investigated the interaction between the host and organic pollution compounds. The host and other eight compounds were optimized by DFT (density functional theory) B3LYP / 6-31G level and the energy of compounds were corrected using Boys-Bemardi method. On the basis of B3LYP / 6-31G optimized geometries, the RDG function and sign (λ2 (r)) ρ (r) function values of space points were calculated, and color RDG isosurface map was drawn.3He chemical shift was calculated by the B3LYP / 6-31G method. The results showed that the eight organic pollution molecules with the host one shaped stable configurations by hydrogen bonds, respectively. stabilization energy of complexes 4 and 7 showed repulsion (steric effects) of cyclophane cage observably affecting the stability of the complexes.The location, intensity and the type of interaction in complex 1 were analyzed through color-filled RDG isosurface map. A romaticity calculations showed that the weak interaction reduced the transverse induction ring current in the host rings, and deteriorated the around of compounds.