Oxoporphyrins–The Molecular Structure of 5,15-Dioxo-2,3,7,8,12,13,17,18-octaethyl-porphodimethene-thallium(III) Chloride

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The crystal structure of the title compound was determined in order to obtain structural information on a tetrapyrrole bearing meso-oxo-functions. C36H42N4O2T1C1·CH3OH, P 1, a = 10.358(2), b = 12.344(3), c = 15.490(3) Å, α = 84.36(2)°, β = 78.53(2)°, γ = 82.26(2)°, V = 1918.2(7) Å3, Z = 2, 130 K, R = 0.04 for 6749 reflections with I > 4σ(I). The structure consists of the penta-coordinated thallium ligated by the four nitrogens of the porphodimethene ligand and a chloride in the axial position. The central macrocycle shows some degree of ruffling with the carbonyl groups pointing slightly above and below the mean plane of the molecule. © 1992, Walter de Gruyter. All rights reserved.

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Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences

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