A　novel　coordination　polymer　[(C10H16N)2(Pb2I6)·　2DMF·　H2O]n　(C10H16N=N-butyl-2-Methy-Pyridinium)　was　syn　thesized　by　the　reaction　of　Pb(NO3)2　with　C6H10NI　at　room　temperature　in　DMF　solvent　and　structurally　character　ized　by　means　of　X-ray　single　diffraction.　The　title　compound　crystallizes　in　triclinic　system,　space　group　P1　with　a=1.123　7(2)　nm,　b=1.253　30(16)　nm,　c=0.808　00(12)　nm,　α=102.523(4)°,　β=92.475(5)°,　γ　=95.712(10)°,　V=1.102　9(3)　nm3,　Z=1,　Dc=2.470　Mg·m-3,　F(000)=738,　chemical　formula　C26H48N4O3Pb2I6　and　Mr=1　640.46,μ(MoKα)=11.849　mm-1,　the　final　R=0.057　8　and　wR=0.166　5　for　3　716　observed　reflections　with　I　＞　2o(I).　The　title　compound　consists　of　cations　([(C10H16N)+]　and　anion　chain(PbI3-),they　are　combined　by　static　attracting　forces　in　the　crystal.　DMF　and　H2O　locate　between　the　organic　and　inorganic　moiety.