A stable. mu. -peroxo complex of rhodium(II) intercalated in the interlamellar spaces of montmorillonite. Solid-state sup 27 Al, sup 29 Si, and sup 31 P NMR and EPR investigation

Formation of the {mu}-peroxo Rh(II) complex by the oxygenation of cationic (Rh(PPh{sub 3}){sub 3}){sup +} species trapped in the hydration layer of montomorillonite is reported herein. The complex has been characterized by IR, EPR, ESCA, x-ray, and solid state {sup 27}Al, {sup 29}Si, and {sup 31}P N...

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Bibliographic Details
Published in:Inorganic chemistry 1989-11, Vol.28:24
Main Authors: Khan, M.M.T., Siddiqui, M.R.H., Samad, S.A.
Format: Article
Language:English
Subjects:
400201 - Chemical & Physicochemical Properties
400202 - Isotope Effects, Isotope Exchange, & Isotope Separation
ALUMINIUM 27
ALUMINIUM ISOTOPES
AROMATICS
CHEMICAL PREPARATION
COMPLEXES
DATA
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
INFORMATION
INFRARED SPECTRA
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
ISOTOPES
LIGHT NUCLEI
NMR SPECTRA
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
ORGANIC COMPOUNDS
ORGANIC PHOSPHORUS COMPOUNDS
PHOSPHORUS 31
PHOSPHORUS ISOTOPES
RHODIUM COMPLEXES
SILICON 29
SILICON ISOTOPES
SPECTRA
STABLE ISOTOPES
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
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Summary:Formation of the {mu}-peroxo Rh(II) complex by the oxygenation of cationic (Rh(PPh{sub 3}){sub 3}){sup +} species trapped in the hydration layer of montomorillonite is reported herein. The complex has been characterized by IR, EPR, ESCA, x-ray, and solid state {sup 27}Al, {sup 29}Si, and {sup 31}P NMR spectroscopy. Oxygenation of Wilkinson's complex outside the lattice was found to give the well-defined RhCl(O{sub 2})(PPh{sub 3}){sub 3} and the dimeric (RhCl(PPh{sub 3}){sub 2}O{sub 2}){sub 2} complexes. 26 refs., 5 figs.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic00323a030