Acta Crystallographica Section C

Crystal Structure Communications

Volume 63, Part 7 (July 2007)

metal-organic compounds

 

The nature of supramolecular interactions in tetrakis(4-iodophenyl)porphyrin and its zinc(II) complex

S. Lipstman, S. Muniappan and I. Goldberg

Abstract: Crystals of tetrakis(4-iodophenyl)porphyrin chloroform 0.85-solvate, C₄₄H₂₆I₄N₄·0.85CHCl₃, (I), and [tetrakis(4-iodophenyl)porphyrinato]zinc(II), [Zn(C₄₄H₂₄I₄N₄)], (II), reveal different modes of supramolecular organization. II attractions provide a significant contribution to the layered interporphyrin arrangement in (I), wherein all molecules have the same orientation. Weak axial coordinations of the I atoms to the Zn centres appear to have a dominant effect on the formation of two-dimensional supramolecular assemblies in (II), with a herring-bone arrangement of the metalloporphyrin species. Both molecules are located on inversion centres.

Formula: C₄₄H₂₆I₄N₄·0.85CHCl₃ and [Zn(C₄₄H₂₄I₄N₄)]

	Structure factor file (CIF format) (246.5 kbytes) [ doi:10.1107/S0108270107023104/sk3127Isup2.hkl ] Contains datablock I
	Structure factor file (CIF format) (226.4 kbytes) [ doi:10.1107/S0108270107023104/sk3127IIsup3.hkl ] Contains datablock II

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