The novel complex tri(o-chlorobenzyl)tin 3-indolylacetate has been synthesized. The crystal structure of the complex was determined byX-ray diffraction study. The crystal belongs to triclinic system with space group P-1 with a=0.8376(3) nm, b=1.1118(3) nm, c=1.6557(5) nm, α=102.747(5)°, β=101.238(5)°, γ=107.683(5)°, V=1.4382(8) nm³, Z=2, D_c=1.549 g/cm³, μ(Mo Kα)=11.96 cm^-1, F(000)=674, R₁=0.0369, Rw=0.0785; The bond lengths of Sn—C are 0.2143(4), 0.2153(4) and 0.2161(4) nm. The Sn—O is 0.2072(3) nm. The tin atom has a distorted tetrahedral geometry.

Key words: tri(o-chlorobenzyl)tin,3-indolylacetate, synthesis, crystal structure