Rapid solid-state transformation of tetrahedral [AlH4]− into octahedral [AlH6]3− in lithium aluminohydride
- 16 August 2000
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 17,p. 1665-1666
- https://doi.org/10.1039/b004144k
Abstract
Polycrystalline LiAlH4 transforms into polycrystalline Li3AlH6 and Al during short time (5 min) ball-milling with 3 mol% TiCl4 at room temperature; solid-state rearrangement of tetrahedral [AlH4]− into octahedral [AlH6]3− at ambient conditions was previously unknown; this transformation does not occur during ball-milling of pure LiAlH4 or in the presence of 3 mol% TiCl4 without mechanochemical treatment.Keywords
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