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The reactions of diorganotin dichloride [Ph_2SnCl_2, (PhCH_2)_2-SnCl_2 or (n-Bu)_2SnCl_2] with potassium salt of 2,5-dimercapto-4-phenyl-1, 3, 4-thiodiazole gave complexes R_2Sn (S_3N_2C_8H_5)_2(4: R=Ph; 5: R=PhCH_2 and 6: R=n-Bu), respectively.Characterizations were carried out for all complexes by IR, ~1HNMR spectra and X-ray crystallography analysis. Including theSn…N interaction, the three complexes all have six-coordinateddistorted octahedral geometry. Based on the requence of stereo-chemical constraint sequence, phenyl≈benzyl>n-butyl, the lessthe effect of the stereochemical constraint of R groups, the
The reactions of diorganotin dichloride [Ph_2SnCl_2, (PhCH_2) _2-SnCl_2 or (n-Bu) _2SnCl_2] with potassium salt of 2,5-dimercapto-4-phenyl-1,3,4-thiodiazole gave complexes R_2Sn (S_3N_2C_8H_5) _2 (4: R = Ph; 5: R = PhCH_2 and 6: R = n-Bu), respectively.Characterizations were carried out for all complexes by IR, ~ 1HNMR spectra and X-ray crystallography analysis. Including the Sn ... N interaction, the three complexes all have six-coordinateddistorted octahedral geometry. Based on the requisition of stereo-chemical constraint sequence, phenyl≈benzyl> n-butyl, the lessthe effect of the stereochemical constraint of R groups, the