Acta Cryst. (2005). E61, o1973-o1975  [ doi:10.1107/S1600536805016867 ]

5,10,15,20-Tetrakis(4-pyridyl)porphyrin tris(acetic acid) clathrate

S. George and I. Goldberg

Abstract: The crystal structure of the title compound, C₄₀H₂₆N₈·3CH₃COOH, has been determined at ca 110 K. The compound crystallizes as an acetic acid clathrate in which three guest molecules are intercalated between layered zones of offset stacked porphyrins. Two of the pyridyl groups of the latter are involved in hydrogen bonds with the acetic acid.

Online 10 June 2005

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