Bonding of osmium carbonyls to magnesia: evidence from /sup 13/C NMR spectroscopy

Journal Article · Thu Jun 30 04:00:00 EDT 1988 · J. Phys. Chem.; (United States)

DOI:https://doi.org/10.1021/j100324a048· OSTI ID:6281509

Hasselbring, L; Puga, J; Dybowski, C; Gates, B C

The interactions of (H/sub 2/Os(CO)/sub 4/) and of (H/sub 4/Os/sub 4/(CO)/sub 12/) with the basic MgO support have been examined by CP/MAS /sup 13/C NMR spectroscopy in conjunction with infrared spectroscopy and extraction experiments. Comparison of the spectra of the surface species with those of model compounds, in solution and in the solid state, indicates a strong localized absorbate-support interaction of the mononuclear complex (HOs(CO)/sub 4/)/sup -/ to a surface Mg/sup 2 +/ ion through the oxygen of a carbonyl ligand, whereas there is a weak ionic association of the large tetranuclear anion (H/sub 3/Os/sub 4/(CO)/sub 12/)..sqrt.. with the surface.

• Research Organization: Univ. of Delaware, Newark (USA)
• DOE Contract Number: FG05-85ER75214
• OSTI ID: 6281509
• Journal Information: J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 92:13; ISSN JPCHA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALINE EARTH METAL COMPOUNDS
BINDING ENERGY
CARBON 13
CARBON ISOTOPES
CARBONYLS
CHALCOGENIDES
CHEMICAL BONDS
CHEMICAL SHIFT
DATA
ENERGY
EVEN-ODD NUCLEI
EXPERIMENTAL DATA
INFORMATION
INFRARED SPECTRA
ISOTOPES
LIGHT NUCLEI
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
NMR SPECTRA
NUCLEI
NUMERICAL DATA
OSMIUM COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
REFRACTORY METAL COMPOUNDS
SPECTRA
STABLE ISOTOPES
TRANSITION ELEMENT COMPOUNDS