Abstract
ClPd(l-dppm)2PtCl (1) reacts with (CNC6H4- 2-OCH2-)2 to form a sparingly soluble and thermally stable orange polymeric material 4. 1 reacts with 1 or 2 equiva- lents of CNC6H4-2-OCH3 to form the soluble A-frame d 8 - d 8 model complexes 2 (ClPd(l-dppm)2(l-CNR)PtCl), and 3 (ClPd(l-dppm)2(l-CNR)Pt(CNR))(Cl) (R = C6H4-2- OCH3), respectively. IR (m(NC) bridging versus terminal) and NMR data reveal an A-frame structure where the ter- minal CNR ligands are bonded to Pt. 4 which is amorphous (XRD) appears stable up to 290 C (TGA), but exhibits an exothermic process between 215 and 255 C upon the first scan in DSC, but disappears upon the second. Two com- pounds, model 2 (ke = 674 nm; se = 0.38 ± 0.01 ls; Ue = 0.0079 (±10%)) and polymer 4 (ke = 660 nm; se = 0.18 ± 0.01 ls; Ue = 0.0056 (±10%)) are luminescent at 77 K in the solid state and in fluid solution (PrCN).
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