Crystal and Molecular Structures of Octaethylporphinium(monocation) Triiodide and Its Benzene Hemisolvate
- 1 April 1981
- journal article
- research article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 54 (4), 998-1004
- https://doi.org/10.1246/bcsj.54.998
Abstract
The structure of the triclinic form of octaethylporphinium (monocation) triiodide was determined by X-ray analysis. The structure of the previously determined orthorhombic form was refined using diffractometer data. The final R values for the triclinic and the orthorhombic forms were 0.060 and 0.069, respectively. The present analysis has established the inherent structure of porphyrin monocations; three pyrrole rings are coplanar and the plane of the fourth ring is tilted from the mean plane of the other three. The magnitude of the tilt angle is 12.5° for the triclinic form and 16.1° for the orthorhombic form.Keywords
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