Abstract
[AgL]NO3 and [AgL1.5]NO3 (I) complexes, where L = NH2-C6H4-C(CH3)2-C6H4-C(CH3)2-C6H4-NH2, were obtained. The structure of compound I was determined. Triclinic crystals, space group P\(\bar 1\), a = 6.259(1) A, b = 15.663(1) A, c = 20.653(3) A, α = 71.13(1)°, β = 81.66(1)°, γ = 82.45(1)°, V = 1887.8(3) A3, ρcalc = 1.208 g/cm3, Z = 2. Ag+ ion coordinated to three nitrogen atoms of ligands L has a distorted T-shaped coordination. The structure of I is built of cationic polymeric chains [Ag(L)]∞+ composed of one bridging ligand L (Ag-N(l) = 2.207(6) A and Ag-N(2) = 2.221(6) A, NAgN angle is 160.5(2)°). Second crystallographically nonequivalent centrosymmetrical ligand L pairwise combines the chains to form infinite tapes along direction [010] (Ag(l)-N(3) = 2.529(6)A). Noncoordinated NO3− anion (Ag(1)…O(1) = 2.982(6) A) participates in N-H…O hydrogen bonds as proton acceptor to form 3D supramolecular assembly.
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