High-temperature spectra of plutonium and praseodymium trichlorides
Journal Article
·
· Sov. Radiochem. (Engl. Transl.); (United States)
OSTI ID:5923154
Measurements have been made on the absorption spectra of PuCl/sub 3/, Gd(Pu)Cl/sub 3/, and PrCl/sub 3/ between room temperature and 1100 K at 0.4-2.5 ..mu..m. The supersensitivity criterion is considered for the intensities of the Pu(III) and Pr(III) spectra. Evidence is obtained for supersensitive behavior in the /sup 3/F/sub 2/ reverse arrow /sup 6/H/sub 5/2/ for Pu(III). Plutonium and praseodymium trichlorides melt with change from ninefold to mainly sixfold f-element coordination, while the Pu-Cl and Pr-Cl distances shorten considerably; the metal-chlorine distances shorten further as the liquid is heated.
- OSTI ID:
- 5923154
- Journal Information:
- Sov. Radiochem. (Engl. Transl.); (United States), Journal Name: Sov. Radiochem. (Engl. Transl.); (United States) Vol. 29:6; ISSN SVRDA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ABSORPTION SPECTRA
ACTINIDE COMPOUNDS
BOND LENGTHS
CHLORIDES
CHLORINE COMPOUNDS
DIMENSIONS
DISTANCE
ELECTRONIC STRUCTURE
ENERGY-LEVEL TRANSITIONS
GADOLINIUM CHLORIDES
GADOLINIUM COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HIGH TEMPERATURE
INTERATOMIC DISTANCES
LENGTH
LINE WIDTHS
MEDIUM TEMPERATURE
MELTING POINTS
MOLECULAR STRUCTURE
MOLTEN SALTS
PHYSICAL PROPERTIES
PLUTONIUM CHLORIDES
PLUTONIUM COMPOUNDS
PRASEODYMIUM CHLORIDES
PRASEODYMIUM COMPOUNDS
RARE EARTH COMPOUNDS
SALTS
SENSITIVITY
SPECTRA
SPECTRAL SHIFT
STRUCTURAL CHEMICAL ANALYSIS
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
TRANSURANIUM COMPOUNDS
VALENCE
400201* -- Chemical & Physicochemical Properties
ABSORPTION SPECTRA
ACTINIDE COMPOUNDS
BOND LENGTHS
CHLORIDES
CHLORINE COMPOUNDS
DIMENSIONS
DISTANCE
ELECTRONIC STRUCTURE
ENERGY-LEVEL TRANSITIONS
GADOLINIUM CHLORIDES
GADOLINIUM COMPOUNDS
HALIDES
HALOGEN COMPOUNDS
HIGH TEMPERATURE
INTERATOMIC DISTANCES
LENGTH
LINE WIDTHS
MEDIUM TEMPERATURE
MELTING POINTS
MOLECULAR STRUCTURE
MOLTEN SALTS
PHYSICAL PROPERTIES
PLUTONIUM CHLORIDES
PLUTONIUM COMPOUNDS
PRASEODYMIUM CHLORIDES
PRASEODYMIUM COMPOUNDS
RARE EARTH COMPOUNDS
SALTS
SENSITIVITY
SPECTRA
SPECTRAL SHIFT
STRUCTURAL CHEMICAL ANALYSIS
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
TRANSURANIUM COMPOUNDS
VALENCE