Abstract
The manipulation of intermolecular interaction intensities significantly influences a wide range of domains in material science, attracting widespread attention from researchers. In this study, we used a strategy distinct from the adjustment of molecular skeletons, through the introduction of different halogenated ligands, two new coplanar halogenated Schiff base complexes with large conjugate structure [CuII(3,5-Cl-Salphmen)]·DMF(CuL3,5-Cl) and [CuII(3Br-5Cl-Salphmen)]·DMF(CuL3Br5Cl), where 3,5-Cl-Salphmen(H2L3,5-Cl) = N,N′-bis(3,5-dichlorosalicylidene)- diamine, 3Br-5Cl-Salphmen(H2L3,5-Br) = N,N′-bis(3‑bromo-5-chlorosalicylidene)- diamine were obtained. The effects of different substituted atoms on molecular orbitals, energy levels, intermolecular interstrength are analyzed in detail by DFT theory calculations, and compared with CuII-3,5-Br-Salphmen(CuL3,5-Br) and non-halogenated analogues CuII-Salphmen(CuLH). Analysis results show that the strategy of increasing molecular conjugation by the substitution of different halogen atoms can not only effectively modulate the charge distribution on the benzene ring but also can precisely control the binding energy as well as strength of intermolecular interactions.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
