Bimetallic multidimensional supramolecular coordination polymers containing triphenyltin cation and CuCN

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Abstract

The reaction of K3[Cu(CN)4] in H2O with a solution of Ph3SnCl and 4-methylpyrimidine (mpym) in acetonitrile affords, at room temperature, the white powder [(Ph3Sn)3Cu(CN)4.mpym·H2O], II, precipitating in the mother liquor and colourless platelet crystals [(Ph3Sn)2Cu(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-(μ-Ph3Sn)-CN] chains forming waves where the CNSnPh3fragments locate the peak and bottom positions of the waves as side arms. The 2D-layers are connected by hydrogen bonds and π-π 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; -CN→Sn(Ph3)←O(H)H...NC- and -CN→Sn(Ph3)-N(mpym)N-Sn(Ph3)←NC- creating super-Prussian blue 3D-network structure. The reaction of K3[Cu(CN)4] in H2O with a solution of Ph3SnCl and 4-methylpyrimidine (mpym) in acetonitrile affords, at room temperature, the white powder [(Ph3Sn)3Cu(CN)4. mpym·H2O], II, precipitating in the mother liquor and colourless platelet crystals [(Ph3Sn)2Cu(CN)3], I, which was obtained from the filtrate after two days. The copper site in I assumes trigonal bipyramidal configuration. The network structure of I is constructed via 3D-puckered layers constructed of infinite parallel [CuCN-(μ-Ph3Sn)-CN] chains forming waves where the CNSnPh3fragments locate the peak and bottom positions of the waves as side arms. © 2010 Elsevier B.V. All rights reserved.

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Etaiw, S. E. H., Fayed, T. A., & Abdou, S. N. (2010). Bimetallic multidimensional supramolecular coordination polymers containing triphenyltin cation and CuCN. Journal of Organometallic Chemistry, 695(15–16), 1918–1923. https://doi.org/10.1016/j.jorganchem.2010.04.024

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