Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 7 (July 2013)


metal-organic compounds



xu5709 scheme

Acta Cryst. (2013). E69, m354-m355    [ doi:10.1107/S160053681301489X ]

Aqua(5,10,15,20-tetraphenylporphyrinato-[kappa]4N)cadmium(II)-18-crown-6 (1/1)

H. Toumi, Y. Belghith, J.-C. Daran and H. Nasri

Abstract: The title compound, [Cd(C44H28N4)(H2O)]·(C12H24O6), was made by the reaction of the [Cd(TPP)] with an excess of 18-crown-6 in chlorobenzene (where TPP is tetraphenylporphyrinate). The CdII cation is chelated by a TPP anion and coordinated by a water molecule in a distorted N4O square-pyramidal geometry, the CdII cation being displaced by 0.7533 (9) Å from the mean plane of four N atoms of TPP anion. The porphyrin core presents a significant distortion, the maximum atomic deviation from the 24-atom mean plane is 0.1517 (2) Å. The 18-crown-6 molecule is linked with the CdII complex via classical O-H...O hydrogen bonds. In the crystal, weak C-H...[pi] interactions link the complex and 18-crown-6 molecules into a three-dimensional supramolecular architecture.


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