Correlation between the covalency and the thallium-205 nuclear magnetic resonance chemical shift in oxides and halides
Journal Article
·
· J. Solid State Chem.; (United States)
/sup 205/Tl chemical shift measurements were carried out on thallium(I) oxides and halides. A correlation between the chemical shift and the stereochemical activity of the 6s/sup 2/ lone pair of Tl/sup I/ was established; the greater this activity, the greater the absolute value of the chemical shift. For the halides, optical and chemical shift measurements gave access to the Tl-X bond ionicity via Ramsey's equation. In thallium(I) halides the absolute value of the chemical shift increases with the covalency. The work of Glaser on thallium(III) halides showed the chemical shift to decrease with increasing covalency. An explication of this difference is proposed. The hyperfine coupling constant A of the paramagnetic compound Tl/sub 4/MnI/sub 6/ was determined by the study of the chemical shift as a function of the susceptibility. This constant A is seen to be weak (-7 KG/..mu../sub B/).
- Research Organization:
- Laboratoire de Chimie des Solides, Nantes, France
- OSTI ID:
- 5425510
- Journal Information:
- J. Solid State Chem.; (United States), Journal Name: J. Solid State Chem.; (United States) Vol. 63:3; ISSN JSSCB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
CHEMICAL BONDS
CHEMICAL SHIFT
DATA
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HEAVY NUCLEI
INFORMATION
ISOTOPES
MAGNETIC PROPERTIES
MAGNETIC RESONANCE
MAGNETIC SUSCEPTIBILITY
NIOBATES
NIOBIUM COMPOUNDS
NUCLEAR MAGNETIC RESONANCE
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHYSICAL PROPERTIES
REFRACTORY METAL COMPOUNDS
RESONANCE
SILICATES
SILICON COMPOUNDS
STABLE ISOTOPES
THALLIUM 205
THALLIUM COMPOUNDS
THALLIUM HALIDES
THALLIUM ISOTOPES
TITANATES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
VANADATES
VANADIUM COMPOUNDS
400201* -- Chemical & Physicochemical Properties
CHEMICAL BONDS
CHEMICAL SHIFT
DATA
EXPERIMENTAL DATA
HALIDES
HALOGEN COMPOUNDS
HEAVY NUCLEI
INFORMATION
ISOTOPES
MAGNETIC PROPERTIES
MAGNETIC RESONANCE
MAGNETIC SUSCEPTIBILITY
NIOBATES
NIOBIUM COMPOUNDS
NUCLEAR MAGNETIC RESONANCE
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
OXYGEN COMPOUNDS
PHOSPHATES
PHOSPHORUS COMPOUNDS
PHYSICAL PROPERTIES
REFRACTORY METAL COMPOUNDS
RESONANCE
SILICATES
SILICON COMPOUNDS
STABLE ISOTOPES
THALLIUM 205
THALLIUM COMPOUNDS
THALLIUM HALIDES
THALLIUM ISOTOPES
TITANATES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
VANADATES
VANADIUM COMPOUNDS