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Auxiliary ligand effects on the structural dimensionality of copper(II) coordination complexes: from 3D networks to 1D chains

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Abstract

Reaction of a hexapodal ligand 1,3,5-triazine-2,4,6-triamine hexaacetic acid (H6TTHA) produced two copper(II) coordination complexes {Cu5(HTTHA)2(H2O)10} n (1) and {Cu2(H2TTHA)(phen)2} n (2) (phen = 1,10-phenanthroline). X-ray structure determination reveals that complex 1 has a complicated 3D structure, in which three coordination styles (tetracoordinate, pentacoordinate, and hexacoordinate geometries) are all present. Complex 2, which includes a phen auxiliary ligand, exhibits an infinite 1D chain network stabilized by hydrogen bonds and π-π stacking interactions. Square [Cu2O2] dimer units are present in both complexes.

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Acknowledgments

The work was supported by College Students’ Innovative Experiment Project of China (No. 091049148). We thank Xue-bin Deng of Beijing Normal University for providing the crystal data with the Bruker Smart Apex CCD diffractometer.

Author information

Correspondence to Hua Xia.

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Jiang, X., Lin, L., Zhu, Y. et al. Auxiliary ligand effects on the structural dimensionality of copper(II) coordination complexes: from 3D networks to 1D chains. Transition Met Chem 36, 901–906 (2011). https://doi.org/10.1007/s11243-011-9548-1

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Keywords

  • Phen
  • Coordination Polymer
  • Aqua Ligand
  • Triazine Ring
  • Phen Ligand