Clathrate solvates of tetra­kis(4-methoxy­carbonyl­phenyl)porphyrin and its zinc(II)–pyridine complex, in which the porphyrin host structures are stabilized by porphyrin–porphyrin stacking and C—H⋯O attractions

Muniappan, S.; Liptsman, S.; Goldberg, I.

doi:10.1107/S010827010600641X

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 6
A face-on view of two overlapping layers in (II)

, in the form of a crystal structure projection down the c axis (a horizontal and b vertical). The upper layer is shown in a space-filling mode, which also illustrates the attractive contacts between the terminal methoxycarbonyl groups of neighbouring porphyrin molecules. The lower porphyrin layer is represented by a stick framework (except for the Zn ions, which are denoted by small spheres). Note that the axial ligands of the lower porphyrin layer penetrate into one set of interporphyrin voids in the upper porphyrin layer. The approximate sites of the solvent molecules in the voids of the upper layer (as derived from the conventional refinement) are represented by discrete spheres; pyridine is represented by the larger spheres and chloroform by the smaller spheres.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 62| Part 4| March 2006| Pages m140-m143

doi:10.1107/S010827010600641X

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