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[(BINAP)Pt(C≡CC6H4R-p)2] (R = H, 1; CH3, 2) (BINAP = 2,2’-bis(diphenylphos- phino)-1,1’-binaphthyl) were synthesized and characterized by X-ray crystallography. Complex 1 crystallizes in triclinic, space group P1 with a = 11.699(3), b = 12.512(3), c = 15.611(4) ’, α = 93.277(3), β = 97.626(2), γ = 97.375(14)o, V = 2239.9(9) ’3, Mr = 1014.92, Z = 2, Dc = 1.505 g/cm3, F(000) = 1010, μ(MoKα) = 3.244 mm–1, the final R = 0.0338 and wR = 0.0905 for 7738 observed reflections (I > 2σ(I)). Complex 2 crystallizes in monoclinic, space group P21/n with a = 18.03690 (10), b = 13.06060(10), c = 21.6913(3) ’, β = 96.5430(10)o, V = 5076.60(9) ’3, Mr = 1132.94, Z = 4, Dc = 1.482 g/cm3, F(000) = 2272, μ(MoKα) = 2.973 mm–1, the final R = 0.0481 and wR = 0.0893 for 8916 observed reflections (I > 2σ(I)). Both complexes emit intensively photoluminescence in both solid state and fluid solution due to MLCT (Pt→–C≡CC6H4R-p) emissive state.
(BINAP) Pt (C≡CC6H4R-p) 2] (BIN = 2,2’-bis (diphenylphos-phino) -1,1’-binaphthyl) were synthesized and Complex 1 crystallizes in triclinic space group P1 with a = 11.699 (3), b = 12.512 (3), c = 15.611 (4) ’, α = 93.277 (3), β = 97.626 2 = 97.375 (14) o and V = 2239.9 (9) ’3, Mr = 1014.92, Z = 2, Dc = 1.505 g / cm3, F (000) = 1010 and μ (MoKα) = 3.244 mm- 1, the final R = 0.0338 and wR = 0.0905 for 7738 observed reflections (I> 2σ (I)). Complex 2 crystallizes in monoclinic space group P21 / n with a = 18.03690 (10), b = 13.06060 = 21.6913 (3) ’, β = 96.5430 (10) o, V = 5076.60 (9)’ 3, Mr = 1132.94, Z = 4, Dc = 1.482 g / cm3, F (000) = 2272, ) = 2.973 mm -1, the final R = 0.0481 and wR = 0.0893 for 8916 observed reflections (I> 2σ (I)). Both complexes emit intensively photoluminescence in both solid state and fluid solution due to MLCT (Pt → -C≡ CC6H4R-p) emissive state.