UEBER POLYSTANNANE. IV. VERGLEICH VON ABSTAENDEN d(Sn-Sn), NMR-KOPPLUNGEN 1J(Sn-Sn) UND VALENZSCHWINGUNGEN ν(Sn-Sn) IN ACETAT-VERBRUECKTEN DISTANNANEN Ph4Sn2(X3CCO2)2 (X=H, Cl, F)

Article abstract of DOI:10.1016/0022-328X(87)80155-9

The three compounds Ph4Sn2(X3CCO2)2 were synthesized from Ph2SnH2 and X3CCOOH (X=H, Cl) or by cleavage of two phenyl groups in Ph6Sn2 with stoichiometric amounts of X3CCOOH (X=Cl, F).The crystal structures (R=0.041, 0.030, 0.058) show that the Ph4Sn2 unit