“…The iso -maleonitrile dithiolate ( i -mnt = [S 2 C = C(CN) 2 ] 2– ) ligand is an electrochemically active, , conjugated, and bidentate sulfur donor featuring peripheral nitrile groups that can act as divergent metal-binding sites for the synthesis of hard/soft heterobimetallic CPs. ,, Although metal complexes with i -mnt and related ligands, such as maleonitrile dithiolate (mnt) complexes, have been extensively examined as isolated molecular units, , i -mnt has rarely been utilized as a bridging unit in coordination polymer chemistry. ,, One of the first examples of i -mnt being used in this fashion is Ni(NH 3 ) 4 [Ni( i -mnt) 2 ], which features a [Ni( i -mnt) 2 ] 2– unit that shows binding interactions between the N-cyano nitrile donor of the i -mnt and the nickel center of the [Ni(NH 3 ) 4 ] 2+ cation . In more recent examples, such as ( n Bu 4 N)Ln(DMF) 8 [Au 2 ( i -mnt) 2 ] 2 (Ln = Eu 3+ , Gd 3+ , Tb 3+ ), 1D chains of Au(I) dimers are supported by the i -mnt ligands (S-bound to Au(I)), while the Ln(III) units are fully saturated by DMF, with no N-cyano interactions.…”