2,3-Bis(2-cyano­ethyl­sulfan­yl)-6,7-bis­(methyl­sulfan­yl)tetra­thia­fulvalene

The crystal structure of the title compound, C₁₄H₁₄N₂S₈, at 180 K contains pairs of mol­ecules related by centres of inversion, arranged in a herringbone-type manner to form layers. N...σ*(S—C) inter­actions exist between layers.