Abstract
The synthesis of the facial tris cyclometalated complexes fac-[Rh(ppy) 3 ] (ppyH=2-phenylpyridine), fac-[Ir-(ppy) 3 ], and fac-[Ir(thpy) 3 ] (thpyH=2-(2-thienyl)pyridine) by a generalized method is described. The conformation of the complexes is discussed on the basis of the 1 H NMR spectra, and for fac-[Ir(thpy) 3 ] the room-temperature crystal structure is presented: chemical formula C 27 H 18 N 3 S 3 Ir, cubic, space group Pa3, Z=8, a=16.872(4) A, V=4803(3) A 3 . The excited-state properties are investigated by absorption, luminescence, and luminescence line-narrowing spectroscopy in different media
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