Self-assembled 1D infinite inorganic [2]catenane and 2D sheet framework with calix[8]phenylazoimidazole and [4+4]metallomacrocyclic motifs based on silver and ditopic bis(imidazolyl)methane ligands

Self-assembled 1D infinite inorganic [2]catenane and 2D sheet framework with... Three novel supramolecular complexes, [Ag4(2-mBIM)4](ClO4)4(H2O) (1), [Ag2(2-mBIM)2](PF6)2 (2) and [Ag2(PA-BIM)2](ClO4)2(CH2Cl2) (3) (2-mBIM = bis(2-methyl- imidazol-1-yl)methane; PA-BIM = 1,1-bis[(2-phenylazo)imidazol-1-yl]methane), have been prepared and structurally characterized. The reported complexes bear [4+4]metallomacrocyclic motifs comprising four silver atoms and four ditopic bis(imidazolyl)methane ligands. Complex 1 exhibits a rare 1D infinite inorganic [2]catenane structure, which was self-assembled by the interlocking action of [4+4]metallomacrocyclic units. Complex 2 is a 2D layered supramolecular motif containing [4+4]macrometallacycle units with π-π interaction between imidazole rings. Complex 3 has a 2D sheet supramolecular framework through Ag–Ag interactions in [4+4]macrometallacyclic calix [8]phenylazoimidazole with a nanocavity. The results suggest that the bisimidazolium ligands and anions play crucial roles in the formation of the different host structures. The thermal stability and photoluminescence spectra of the synthesized complexes have also been discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Molecular Structure Elsevier

Self-assembled 1D infinite inorganic [2]catenane and 2D sheet framework with calix[8]phenylazoimidazole and [4+4]metallomacrocyclic motifs based on silver and ditopic bis(imidazolyl)methane ligands

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier B.V.
ISSN
0022-2860
eISSN
1872-8014
D.O.I.
10.1016/j.molstruc.2018.02.011
Publisher site
See Article on Publisher Site

Abstract

Three novel supramolecular complexes, [Ag4(2-mBIM)4](ClO4)4(H2O) (1), [Ag2(2-mBIM)2](PF6)2 (2) and [Ag2(PA-BIM)2](ClO4)2(CH2Cl2) (3) (2-mBIM = bis(2-methyl- imidazol-1-yl)methane; PA-BIM = 1,1-bis[(2-phenylazo)imidazol-1-yl]methane), have been prepared and structurally characterized. The reported complexes bear [4+4]metallomacrocyclic motifs comprising four silver atoms and four ditopic bis(imidazolyl)methane ligands. Complex 1 exhibits a rare 1D infinite inorganic [2]catenane structure, which was self-assembled by the interlocking action of [4+4]metallomacrocyclic units. Complex 2 is a 2D layered supramolecular motif containing [4+4]macrometallacycle units with π-π interaction between imidazole rings. Complex 3 has a 2D sheet supramolecular framework through Ag–Ag interactions in [4+4]macrometallacyclic calix [8]phenylazoimidazole with a nanocavity. The results suggest that the bisimidazolium ligands and anions play crucial roles in the formation of the different host structures. The thermal stability and photoluminescence spectra of the synthesized complexes have also been discussed.

Journal

Journal of Molecular StructureElsevier

Published: May 15, 2018

References

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