A cubane-like cluster compound FeS(CHdtc)4·1/2CHCl(1) having the highest core oxidation state [FeS]was obtained by combination reaction of dinuclear fragment compound Mg(DMF)[FeSCl] in the presence of CHdtcNa. Compound 1 crystallizes in orthorhombic, space group Pbcn with a=13.917(2), b=18.551