Ring-strain release in neutral and dicationic 7,8,17,18-tetrabromo-5,10,15,20-tetraphenylporphyrin: crystal structures of C44H26Br4N4 and C44H28Br4N42+·2ClO4−·3CH2Cl2

Ring-strain release in neutral and dicationic 7,8,17,18-tetrabromo-5,10,15,20-tetraphenylporphyrin: crystal structures of C44H26Br4N4 and C44H28Br4N42+·2ClO4−·3CH2Cl2

Two porphyrin complexes were studied to determine the effects of protonation on ring deformation within the porphyrin. The porphyrin 7,8,17,18-tetrabromo-5,10,15,20-tetraphenylporphyrin, C44H26Br4N4, was selected because the neutral species is readily doubly protonated to yield a dication, which was...

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Bibliographic Details
Main Authors: W. Robert Scheidt, Hugues F. Duval, Allen G. Oliver
Format: Article
Language:English
Published: International Union of Crystallography 2016-06-01
Series:Acta Crystallographica Section E: Crystallographic Communications
Subjects:
crystal structure
prophyrin
hydrogen bonding
ring puckering
Online Access:http://scripts.iucr.org/cgi-bin/paper?S2056989016007349

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http://scripts.iucr.org/cgi-bin/paper?S2056989016007349

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