Published June 15, 1984
| Version v1
Journal article
Optical and magnetic properties of uranium borohydride and tetrakismethylborohydride
Creators
- 1. Materials and Molecular Research Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720
Description
The U(BD4)4/Hf(BD4)4 optical spectrum reported by Bernstein and Keiderling has been reanalyzed. All 19 allowed transitions have been identified. The crystal field is approx.2.5 times as strong as that of U4+/ThBr4, but the values of the F/sup k/ and zeta parameters are nearly the same. The magnetic susceptibility of the structurally related molecule U(BH3CH3)4 has been measured from 2--330 K. Using the eigenvectors from the optical analysis, the magnetic data can be fit with an orbital reduction factor k = 0.85. For U(BD4)4/Hf(BD4)4 k = zeta/zetaion = 0.91
Additional details
Publishing Information
- Journal Title
- J. Chem. Phys.
- Journal Volume
- 80
- Journal Issue
- 12
- Series
- J. Chem. Phys.
- Journal Page Range
- 5942-5950
- ISSN
- 0021-9606
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 16005897
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- ABSORPTION SPECTRA; BOROHYDRIDES; CRYSTAL FIELD; ENERGY-LEVEL TRANSITIONS; HAFNIUM COMPOUNDS; MAGNETIC SUSCEPTIBILITY; URANIUM COMPOUNDS
- Descriptors DEC
- ACTINIDE COMPOUNDS; BORON COMPOUNDS; HYDROGEN COMPOUNDS; MAGNETIC PROPERTIES; PHYSICAL PROPERTIES; SPECTRA; TRANSITION ELEMENT COMPOUNDS