catena-Poly[[[3,7-bis­(dimethyl­amino)phenothiazonium] lead(II)-tri-μ-iodo] N,N′-dimethyl­formamide]

In the title compound, {(C₁₆H₁₈N₃OS)[PbI₃]·C₃H₇NO}_n, each Pb^II atom is bonded to six I atoms to form chains of trans face-shared PbI₆ octa­hedra. In the crystal structure, the cations are stacked along the c axis, with significant π–π inter­actions.