Abstract
The reaction of K(3)[Cu(CN)(4)] in H(2)O with a solution of Ph(3)SnCl and 4-methylpyrimidine (mpym) in acetonitrile affords, at room temperature, the white powder [(Ph(3)Sn)(3)Cu(CN)(4)mpym center dot H(2)O], II, precipitating in the mother liquor and colourless platelet crystals [(Ph(3)Sn)(2)Cu(CN)(3)], I, which was obtained from the filterate after two days. The copper site in I assumes distorted trigonal plane geometry. The network structure of I is constructed via 3D-puckered layers constructed of infinite parallel [CuCN-(mu-Ph(3)Sn)-CN] chains forming waves where the CNSnPh(3) fragments locate the peak and bottom positions of the waves as side arms. The 2D-layers are connected by hydrogen bonds and pi-pi stacking. This is the first example for a Cu-coordination polymer containing the tetrahedral and bipyramidal configured tin atoms. The pyramidal tetrahedral [Cu(CN)(4)](3-) anion, in II, are interconnected by two kinds of nanometer spacers; -C = N -> Sn(Ph(3))<- O(H)H center dot center dot center dot N = C- and -C = N -> Sn(Ph(3))-N(mpym)N-Sn(Ph(3))<- N = C- creating super-Prussian blue 3D-network structure. (C) 2010 Elsevier B. V. All rights reserved.