Molecular structure of simple mono- and diphenyl meso-substituted porphyrin diacids: influence of protonation and substitution on the distorsion |
| |
| Authors: | Sandrine Juillard,Gé rard Simonneaux,Loic Toupet |
| |
| Affiliation: | a Laboratoire de Chimie Organométallique et Biologique, UMR CNRS 6509, Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France
b Groupe de Physique Cristalline, UA CNRS 040804, Université de Rennes 1, Campus de Beaulieu, 35042 Rennes Cedex, France |
| |
| Abstract: | The crystal and molecular structures of three simple porphyrin diacids have been determined from X-ray diffraction data to delineate how the peripheral substituents of the porphyrin affect the overall molecular flexibility. Di-meso-substituted [DPPH4]2+(CF3CO2−)2 and, mono-meso-substituted [MPPH4]2+(CF3CO2−)2 and [dedmMPPH4]2+(CF3CO2−)2 porphyrin diacids show increasingly saddled core conformation. Some of the spectroscopic properties (NMR and UV-visible) of the porphyrin diacids are also discussed in terms of the observed structures. |
| |
| Keywords: | Porphyrin diacids Structure Saddled Flexibility |
| 本文献已被 ScienceDirect 等数据库收录！ |
|
