119Sn and 13C NMR spectral study of some vinyltin(IV) compounds involving the Sn-S bond
The 13 C and 119 Sn NMR spectra were examined for two series of vinyltin(IV) compounds involving the Sn-S bond, of general formulas (CH 2 =CH) n Sn(SR) 4 - n ( n = 0 - 4) and (CH 2 =CH) n Sn(Cl)(SR) 3 - n ( n = 0 - 3) where R = 1-C 4 H 9 , C(S)N(C 2 H 5 ) 2 or 8-quinolinyl C 9 H 6 N, or SR = 1/2 (SCH 2 CH 2 S). Deuteriochloroform and hexadeuteriodimethyl sulfoxide served as non-coordinating and coordinating solvents, respectively. The 13 C and 119 Sn NMR data provided a basis for discussion of the nature and strength of the Sn-S bonding, coordination of the central tin atom including the shape of the coordination polyhedron, and the ability of the compounds to form donor acceptor complexes.