Extended Assemblies of Ru(bpy)(CO)2X2 (X = Cl, Br, I) Molecules Linked by 1,4-Diiodotetrafluoro-Benzene (DITFB) Halogen Bond Donors
Ding, X., Tuikka, M., Rissanen, K., & Haukka, M. (2019). Extended Assemblies of Ru(bpy)(CO)2X2 (X = Cl, Br, I) Molecules Linked by 1,4-Diiodotetrafluoro-Benzene (DITFB) Halogen Bond Donors. Crystals, 9(6), Article 319. https://doi.org/10.3390/cryst9060319
Julkaistu sarjassa
CrystalsPäivämäärä
2019Oppiaine
Epäorgaaninen ja analyyttinen kemiaOrgaaninen kemiaInorganic and Analytical ChemistryOrganic ChemistryTekijänoikeudet
© 2019 by the authors.
The ruthenium carbonyl compounds, Ru(bpy)(CO)2X2 (X = Cl, Br or I) act as neutral
halogen bond (XB) acceptors when co-crystallized with 1,4-diiodotetrafluoro-benzene (DITFB). The
halogen bonding strength of the Ru-X···I halogen bonds follow the nucleophilic character of the
halido ligand. The strongest halogen bond occurs between the chlorido ligand and the iodide atoms
of the DITFB. All three halogen bonded complexes form polymeric assemblies in the solid state.
In Ru(bpy)(CO)2Cl2·DITFB (1) and in Ru(bpy)(CO)2Br2·DITFB (2) both halido ligands are halogen
bonded to only one DITFB donor. In Ru(bpy)(CO)2I2·DITFB (3) only one of the halido ligands is
involved in halogen bonding acting as ditopic center for two DITFB donors. The polymeric structures
of 1 and 2 are isomorphic wave-like single chain systems, while the iodine complexes form pairs
of linear chains attached together with weak F···O≡C interactions between the closest neighbors.
The stronger polarization of the iodide ligand compared to the Cl or Br ligands favors nearly linear
C-I···I angles between the XB donor and the metal complex supporting the linear arrangement of the
halogen bonded chain.
...
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MDPI AGISSN Hae Julkaisufoorumista
2073-4352Asiasanat
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