Bis[N,N′‐bis(2‐nitrocinnamaldehyde)phenylenediimine]copper(I) Perchlorate

Abstract

The complex [Cu(nitroca2ph)2]ClO4, where nitroca2ph is N,N′‐bis(2‐nitrocinnamaldehyde)phenylenediimine, crystallizes in the triclinic space group ${\rm P}{\bar 1}$ with a = 13.167(1), b = 13.209(1), c = 14.465(1) Å, α = 83.209(9)°, β = 68.438(2)°, γ = 70.803(2)°, V = 2209.4(3) Å3, Z = 2, Dcalc = 1.527 mg/m3. The coordination polyhedron about the Cu(I) atom is best described as a distorted tetrahedron. 2‐nitroca2en acts as a bidentate ligand coordinating via two N atoms to the copper. The four Cu–N distances are 2.04 (2), 2.038(2), 2.046(2), and 2.062(2) Å.

Synthesis and characterization of [Cu(mb2en)2]ClO4 and [Cu(mb2en)(PPh3)2]BPh4: crystal structure of [Cu(mb2en)2]ClO4

“…Steric crowding and -acidity in a well designed ligand are the most important prerequisites for stability of copper(I) complexes and their redox, photophysical and photochemical behavior [7][8][9][10]. * In continuation of our work on the preparation of copper(I) diimine complexes with low lying MLCT transitions [11][12][13][14], here we report the synthesis and characterization of a ligand and its copper(I) complexes (figure 1). The structures, spectral properties, and redox chemistry of these complexes are also investigated.…”