Single-crystal to single-crystal transformation of a new lead(II) coordination polymer with ligands 8-hydroxyquinoline (8-Quin) and nitrate, [Pb(2)(8-Quin)(2)(NO(3))(2)(MeOH)] (1 alpha) to [Pb(8-Quin)(NO(3))] (1 beta), is reported and the structures of 1 alpha and 1 beta determined by X-ray crystallography.