Comparative study of lithium and sodium hexahydrido- and hexadeuteridoaluminates; Raman and infrared spectra of Li sub 3 AlH sub 6 , Na sub 3 AlH sub 6 , and Li sub 3 AlD sub 6
Journal Article
·
· Materials Research Bulletin; (USA)
- Laboratoire de Thermochimie Minerale associe au C.N.R.S. n 116, Institut National des Sciences Appliquees de Lyon, 20, avenue Albert Einstein, F - 69621 Villeurbanne Cedex (FR)
Raman and infrared spectra of Lithium and Sodium hexahydrido- and hexadeuteridoaluminates Li/sub 3/AlH/sub 6/, Na/sub 3/AlH/sub 6/ and Li/sub 3/AlD/sub 6/ have been investigated in order to study metal-hydrogen interactions. A vibrational analysis has been performed. Several force field models (Urey-Bradley, Orbital Valence force field, Shimanouchi, Murrell) have been used in order to compute the force constants of Al-H bonds. No significative difference is observed between the results obtained from the various models, and the environment of aluminum is thus well determined. AlH/sub 6//sup 3-/ ions form an almost perfect octahedron in Li/sub 3/AlH/sub 6/ and a distorted one in Na/sub 3/AlH/sub 6/.
- OSTI ID:
- 5175298
- Journal Information:
- Materials Research Bulletin; (USA), Journal Name: Materials Research Bulletin; (USA) Vol. 24:1; ISSN MRBUA; ISSN 0025-5408
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400102* -- Chemical & Spectral Procedures
400201 -- Chemical & Physicochemical Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM HYDRIDES
CHEMICAL BONDS
CHEMICAL REACTIONS
COMPUTER CALCULATIONS
DEUTERIDES
DEUTERIUM COMPOUNDS
ENERGY LEVELS
EXCITED STATES
HYDRIDES
HYDROGEN COMPOUNDS
HYDROGEN DEUTERIDE
INFRARED SPECTRA
LITHIUM COMPOUNDS
LITHIUM DEUTERIDES
LITHIUM HYDRIDES
RAMAN SPECTRA
SODIUM COMPOUNDS
SODIUM HYDRIDES
SPECTRA
VALENCE
VIBRATIONAL STATES
400102* -- Chemical & Spectral Procedures
400201 -- Chemical & Physicochemical Properties
640302 -- Atomic
Molecular & Chemical Physics-- Atomic & Molecular Properties & Theory
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM HYDRIDES
CHEMICAL BONDS
CHEMICAL REACTIONS
COMPUTER CALCULATIONS
DEUTERIDES
DEUTERIUM COMPOUNDS
ENERGY LEVELS
EXCITED STATES
HYDRIDES
HYDROGEN COMPOUNDS
HYDROGEN DEUTERIDE
INFRARED SPECTRA
LITHIUM COMPOUNDS
LITHIUM DEUTERIDES
LITHIUM HYDRIDES
RAMAN SPECTRA
SODIUM COMPOUNDS
SODIUM HYDRIDES
SPECTRA
VALENCE
VIBRATIONAL STATES