Abstract
The syntheses and crystal structures of novel supramolecular coordination polymers (SCPs) of AgCN with bipodal ligands; 4,4′-bipyridine (bpy), trans-1,2-bis(4-pyridyl)ethylene (tbpe) and 1,2-bis(4-pyridyl)ethane (bpe) are reported. The syntheses were affected in H 2O/acetonitrile/NH 3 media at room temperature. SCP [(AgCN) 2 · bpy] ( 1) is monoclinic and crystallizes in the space group P2 1/ c, a = 9.0565(4) Å, b = 16.0063(8) Å, c = 9.1361(4) Å, β = 110.51° and Z = 4. SCP [(AgCN) 3 · (tbpe) 2 · H 2O] ( 2) is triclinic and crystallizes in the space group P 1 ¯ , a = 9.8427(4) Å, b = 10.3596(4) Å, c = 14.0864(6) Å, α = 98.873°, β = 101.739°, γ = 95.506° and Z = 2. SCP [(AgCN) 4 · bpe] ( 3) is monoclinic and crystallizes in the space group P2 1/ c, a = 10.1872(5) Å, b = 9.1610(5) Å, c = 14.4862(6) Å, β = 130.00(18)° and Z = 2. The 3D-topolgies of 1– 3 resulted from the bridging action of the bipodal ligands and the argentophilic interactions as well as extensive H-bonding and π–π stacking.
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