Synthesis, crystal structure and spectroscopic properties of [2,13-bis(1-naphthalenylmethyl)-5,16-dimethyl-2,6,13,17-tetraazatricyclo(14,4, 01.18,07.12)docosane] copper(II) diperchlorate acetonitrile disolvate

Jong Ha Choi*, William Clegg, Gary S. Nichol

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

The N-functionalized macrocyclic ligand 2,13-bis(l-naphthalenylmethyl)-5, 16-di methyl -2, 6, 13, 17-tetraazatricyclo(14,4,00.18,0 7.12)docosane (L3) and its copper(II) complex were prepared. The crystal structure of [Cu(L3)](ClO4) 2·2CH3CN was determined by single-crystal X-ray diffraction at 150 K. The copper atom, which lies on an inversion centre, has a square planar arrangement and the complex adopts a stable trans-III configuration. The longer distance [2.081(2) Å] for Cu-N(tertiary) compared to 2.030(3) Å for CuN(secondary) may be due to the steric effect of the attached naphthalenylmethyl group on the tertiary nitrogen atom. Two Perchlorate ions are weakly attached to copper in axial sites and are further connected to the ligand of the cation through NH⋯O hydrogen bonds [N⋯O 3.098 Å]. IR and UV/Vis spectroscopic properties are also described.

Original languageEnglish
Pages (from-to)1612-1616
Number of pages5
JournalZeitschrift für anorganische und allgemeine Chemie (ZACC)
Volume636
Issue number8
DOIs
Publication statusPublished - Aug 2010

Keywords / Materials (for Non-textual outputs)

  • Copper
  • Ir spectroscopy
  • Macrocyclic ligands
  • Trans-III configuration
  • UV/Vis spectroscopy

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