Spontaneous self-assembly of an unsymmetrical trinuclear triangular copper (II) pyraolate complex, [Cu(sub 3)(Mu (sub 3)-OH)mu-pz)(sub 3)(MeCOO)(sub 2)(Hpz)] (Hpz=pyrazole). Synthesis, experimental and theoretical characterization, reactivity and catalytic activity

The almost quantitative formation of the triangular trinuclear copper derivative [Cu(sub 3)(Mu(sub 3)-OH)(Mu-pz)(sub 3)(MeCOO)(sub 2)(Hpz)](1) (Hpz=pyrazole), is simply achieved by adding Hpz to an ethanol solution of Cu (Me COO)(sub 2). H (sub 2) O. An X-ray molecular structure determination shows that the derivative is completely unsymmetric and that trinuclear units result assembled in an extended bidimensional network formed through acetate bridges and hydrogen bonds.