Title Synthesis and crystal structureof a Sn(IV) complex Type Presentation Keywords Tin; Pyridine-2,6-dicarboxilic acid; Piperazine; Crystal Structure Abstract Continuing the synthesis of (pipzH2)(pydc) metal complexes, a complex with the formula of (pipzH2)[Sn2(pydc)4(OH)4- -(OH)2], 6H2O, where pydch2 is pyridine-2,6-dicarboxilic acid and pipz is piperazine, was prepared. Researchers Hossein Aghabozorg (Third Researcher), Mohammad Ghadermazi (Second Researcher), Faranak Manteghi (First Researcher)