Bidimensional self-assembling of [HgII(RPhNNNPhR′)2] (R = acetyl, R′ = F) through metal-η4-arene π-interactions and non classical C–H⋯O bonding: Synthesis and X-ray characterization of a bis diaryl asymmetric-substituted triazenide complex polymer of Hg(I

Deprotonated 3-(2-fluorophenyl)-1-(4-acetylphenyl)triazene reacts with Hg(CH3COO)2 in tetrahydrofuran to give light yellow crystals of [HgII(RPhNNNPhR′)2]n (R = acetyl, R′ = F). The new polymeric triazenide complex of Hg(II) belongs to the monoclinic space group C2/c. The lattice of [HgII(RPhNNNPhR′)2]n can be viewed as a bidimensional assembly of planar tectons [HgII(RPhNNNPhR′)2], occurring through metallocene alike Hg(II)-η2,η2-arene π-interactions along the crystallographic axis b and non classical C–H⋯O bonding along the axis a.