Direct electrochemical synthesis of benzenethiolato complexes of tin(II), tin(IV), and lead(II). Molecular structure of the 2,2′-bipyridine adduct of Sn(SC6H5)4

Article abstract of DOI:10.1021/ic00137a046

The electrochemical oxidation of tin into solutions of RSH (R = C₆H₅ C₆H₄CH₃) gives Sn(SR)₂. When 2,2′-bipyridine (bpy) or 1,10-phenanthroline is added to the solution phase, the product is the tin(IV) species Sn(SR)₄L. The electrochemical oxidation is shown to involve Sn(II) as the first product in each case. The crystal structure of Sn(SC₆H₅)₄bpy is monoclinic, with a = 13.150 (5) ?, b = 17.438 (6) ?, c = 14.215 (6) ?, β = 93.49 (3)°, V = 3254 (2) ?³, Z = 4, and space group P2₁/n (C_2h⁵, No. 14). The molecule has a distorted octahedral SnS₄N₂ kernel, with bond distances of 2.449 (Sn-S) and 2.331 ? (Sn-N). With a lead anode, the product is Pb(SC₆H₅)₂; no lead(IV) species could be isolated.