Abstract
The synthesis, characterization, and structure of a cyano-bridged two-dimensional supramolecule, [CuII(trans-chxn)2]3[CoIII(CN)6]2·2H2O (1; chxn = 1,2-diaminocyclohexane), have been described. The title compound crystallizes in the triclinic Pī space group with the unit cell parameters: a = 9.141(5) A, b = 12.406(5) A, c = 15.064(5) A, α = 95.190(5)°, β = 94.460(5)°, γ = 109.510(5)°, V = 1593.0(12) A3, and Z = 1. The compound contains two crystallographically different copper(II) and cobalt(III) centers. Each of the two copper(II) ions is hexacoordinated by two diamines and two bridging cyanides. Two trans cyanides of one type of hexacyanometalate link one type of copper(II) center to result in one-dimensional chain, while two pairs of trans cyanides of the second type of hexacyanometalate link both the types of copper(II) ions to result in the second dimension. There are extensive hydrogen bonding interactions within the two-dimensional cyano-bridged sheet involving the solvated water molecule, amine groups, and cyanide nitrogens. Synthesis, characterization, and structure of a cyano-bridged two-dimensional CuIICoIII coordination polymer derived from trans-1,2-diaminocyclohexane as blocking ligand Malabika Nayak, Samit Majumder, Pascale Lemoine, and Sasankasekhar Mohanta* The synthesis, characterization, and structure of a cyano-bridged two-dimensional supramolecule, [CuII(trans-chxn)2]3[CoIII(CN)6]2 · 2H2O (chxn = 1,2-diaminocyclohexane), have been described.
Published Version
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