The structural characterisation and elucidation of the electronic structure of the mononuclear Pt(III) complex [Pt([9]aneS3)2]3+ ([9]aneS3 = 1,4,7-trithiacyclononane).

The mononuclear Pt(III) complex, [Pt([9]aneS(3))(2)](3+), has been isolated and characterised by X-ray crystallography; its electronic structure determined by EPR spectroscopy and DFT calculations.