Organotin(Ⅳ) compound {[(nC4H9)2Sn(05·O2CC12H10N)(05·CH3O)]2O}2 was synthesized by the reaction of n dibutyltin oxide with Nphenylanthranilic acid. The compound was characterized by elemental analysis
IR and 1H NMR analyses. The crystal structure was determined by Xray single crystal diffraction method. The result indicates that crystal belongs to triclinic
space group P-1 with a =1173(2) nm
b = 1256(2) nm
c= 1329(2) nm
α = 8229(3)°
β = 7183(3)°
γ = 6536(3)°
V = 1690(5) nm3
Z = 1
μ= 1509 mm-1
Dc = 1425 Mg·m-3
F(000) =736
R = 0056 9
wR = 0158 9
GOF = 1074. The complex is a centrosymmetric structure mode with a fourmember central endocyclic Sn2O2 unit in which two bridged oxygen atoms both connect with an exocyclic tin atom. The endocyclic tin atoms and the exocyclic tin atoms are all fivecoordination and have coordination geometry of distorted trigonal bipyramid.