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The cobalt, nickel, copper, zinc and cadmium complexes of S-methyl-N-(ferrocenyl-l-methyl-methylidene)-dithiocarbazate (H-LSM) and S-benzyl-N-(ferrocenyl-l-methyl-methylidene)-dithiocarbazate (H-LSB) were synthesized and the crystal structure of Cd[Fe-C(CH3) = NNCSS. (CH3)]2 was solved by X-ray diffraction. The crystal is in the orthorhombic system with space group Pbca, cell parameters a=19.741(3), b=19.924(5), c=15.452(4) A, and the final factors of R=0.032. The study on quenching the luminescence of Ru(bpy)3 by those complexes showed that bimolecular quenching constants obtained from the Stern-Vohner constant and the excited-state lifetime were related to the redox potential of the quencher. Linear relationship is shown in the plot of logkq vs. E1/2(Q+/Q). The main factor which influences the quenching rate constant and the redox potential is the coordinating ability of the metal in the complex.
The cobalt, nickel, copper, zinc and cadmium complexes of S-methyl-N- (ferrocenyl-l-methyl- methylidene) -dithiocarbazate (H-LSM) and S-benzyl-N- (ferrocenyl-l-methyl- dithiocarbazate (H-LSB) were synthesized and the crystal structure of Cd [Fe-C (CH3) = NNCSS. (CH3)] 2 was solved by X-ray diffraction. The crystal is in the orthorhombic system with space group Pbca, cell parameters a = 19.741 (3), b = 19.924 (5), c = 15.452 (4) A, and the final factors of R = 0.032. The study on quenching the luminescence of Ru (bpy) 3 by those complexes showed that bimolecular quenching constants obtained from the Stern-Vohner constant and the excited-state lifetime were related to the redox potential of the quencher. Linearity is shown in the plot of logkq vs. E1 / 2 (Q + / Q). The main factor which influences the quenching rate constant and the redox potential is the coordinating ability of the metal in the complex.