Crystal structure of μ-fluorido-bis{(η4-cyclooctadiene)[hexafluoridoantimonato(V)]platinum(II)} hexafluoridoantimonate(V) hydrogen fluoride 0.75-solvate

In the complex cation of the binuclear solvated title salt, [Pt2F(SbF6)2(C8H12)2]SbF6·0.75HF, an F atom bridges the two platinum(II) atoms with a bond angle of 123.3 (2)°. The corresponding Pt—F bond lengths are in the range of other fluorine-bridged binuclear platinum(II) complexes. Two of the three SbF6− anions each coordinate with one F atom to one platinum(II) atom. Including the η4-bound cyclooctadiene (COD) ligands, the overall coordination sphere of each platinum(II) atom is square-planar. The third SbF6− anion is not bound to the complex. Hydrogen fluoride is present in the crystal structure as a solvent disordered over three positions, each with an occupancy of 0.25. F...F distances of 2.5512 (7), 2.6076 (8) and 3.2215 (10) Å to surrounding SbF6− anions are indicative of F—H...F hydrogen-bonding interactions although no H atoms could be localized for the disordered solvent molecules. The resulting hydrogen-bonded network is three-dimensional.

Abstract licence: CC BY

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