Preparation and characterization of singly oxidized metalloporphyrin dimers: [M(OEP[sup [sm bullet]/2])][sub 2]SbCl[sub 6], M = Cu, Ni. Photosynthetic special pair models
Journal Article
·
· Journal of the American Chemical Society; (United States)
- Univ. of Notre Dame, IN (United States)
- Univ. of Southern California, Los Angeles (United States)
- Centre d'Etudes Nucleaires de Grenoble (France)
The authors report the preparation and physical characterization (X-ray, UV-visible-near IR, IR, EPR, magnetic susceptibility) of two new metalloporphyrin [pi]-cation radical derivatives formally analogous to the radical cation of the photosynthetic reaction central special pair. The complexes are [M(OEP[sup [sm bullet]/2])][sub 2][sup +] (M = Ni or Cu), and they possess a single electron holes per pair of porphyrin rings; both form discrete dimers in the solid state. The absence of an obvious covalent bond in these dimers distinguishes them from al previously characterized [open quotes]partially oxidized[close quotes] bis(porphyrin) systems. 21 refs., 4 figs.
- OSTI ID:
- 5989358
- Journal Information:
- Journal of the American Chemical Society; (United States), Journal Name: Journal of the American Chemical Society; (United States) Vol. 115:3; ISSN JACSAT; ISSN 0002-7863
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
400500 -- Photochemistry
ANTIMONY COMPLEXES
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
COMPLEXES
COPPER COMPLEXES
DIMERS
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
MOLECULAR STRUCTURE
NICKEL COMPLEXES
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PORPHYRINS
SPECTROSCOPY
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
400201* -- Chemical & Physicochemical Properties
400500 -- Photochemistry
ANTIMONY COMPLEXES
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
COMPLEXES
COPPER COMPLEXES
DIMERS
HETEROCYCLIC ACIDS
HETEROCYCLIC COMPOUNDS
MOLECULAR STRUCTURE
NICKEL COMPLEXES
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PORPHYRINS
SPECTROSCOPY
SYNTHESIS
TRANSITION ELEMENT COMPLEXES