Synthesis and Crystal Structure of Pd(AETYF)Cl2 CH2Cl2 [AETYF = 4',5'-Diaza-9'-(4,5-

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A stable Pd(Ⅱ) compound Pd(AETYF)C12·CH2Cl2 (AETYF = 4',5'-diaza-9'-(4,5-bis(ethylthio)-1,3-dithiole-2-ylidene)-fluorene) has been synthesized and its crystal structure was determined by X-ray crystallography. The crystal is of monoclinic, space group P21/c with a =15.249(6), b = 8.619(3), c = 19.078(7) A, β = 106.932(8)°, C19H18Cl4N2PdS4, Mr = 650.79, V =2398.6(16)A3, Z = 4, Dc = 1.802 g/cm3, F(000) = 1296, μ = 1.579 mm-1, Npar = 268, the final R =0.0538 and wR = 0.1282 for 5068 observed reflections with I > 2σ(I). The crystal structure determination shows that the atoms of the molecule, except two ethyl-groups, are conjugated in a quasiplane and these molecules are further stacked or contacted via plane to plane or edge to edge π-πinteractions, forming parallel molecular chains along the b axis.
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