Matches in SemOpenAlex for { <https://semopenalex.org/work/W2315695555> ?p ?o ?g. }
- W2315695555 endingPage "9896" @default.
- W2315695555 startingPage "9876" @default.
- W2315695555 abstract "Herein, we report on the synthesis, redox activity, and coordination chemistry of 2,3,6,7,10,11-hexakis(tetramethylguanidino)triphenylene. CV measurements indicated that the new compound could be oxidized in three separate reversible two-electron oxidation events. The HOMO and LUMO energies were estimated from the oxidation wave and the onset of absorption in the UV/vis spectrum. Our discussion also includes the related new compound 2,3,6,7,10,11-hexakis(N,N′-dimethylethyleneguanidino)triphenylene. Then trinuclear CuI and CuII complexes of the new triphenylene ligands were characterized, and their electronic properties are discussed. In contrast to previously studied redox-active GFA ligands, oxidation of trinuclear copper(I) iodide complexes with I2 leads to copper instead of ligand oxidation. In the tetra-coordinated CuII complexes, the coordination mode is intermediate between tetrahedral and square planar. The optical properties of the complexes were studied, and low-energy electronic transitions were assigned to ligand-to-metal charge-transfer (LMCT) excitations. We then extended our analysis to trinuclear NiII and CoII complexes. The magnetic coupling mediated through the triphenylene ligand in the trinuclear CuII and CoII complexes was studied by SQUID magnetometry, revealing ferromagnetic coupling of the spin centers and different degrees of spin delocalization into the guanidino groups. Finally, we show that the GFA ligands could be linked to one- or two-dimensional coordination polymers and porous materials with a layer structure by reaction with silver halides." @default.
- W2315695555 created "2016-06-24" @default.
- W2315695555 creator A5007028711 @default.
- W2315695555 creator A5039804927 @default.
- W2315695555 creator A5051040922 @default.
- W2315695555 creator A5072024070 @default.
- W2315695555 creator A5073407894 @default.
- W2315695555 date "2014-09-04" @default.
- W2315695555 modified "2023-09-25" @default.
- W2315695555 title "Trinuclear Complexes and Coordination Polymers of Redox-Active Guanidino-Functionalized Aromatic (GFA) Compounds with a Triphenylene Core" @default.
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