An alternative description of the structures of Rh7Mg44 and Mg6Pd
- 1 November 1978
- journal article
- Published by International Union of Crystallography (IUCr) in Acta Crystallographica Section A
- Vol. 34 (6) , 833-835
- https://doi.org/10.1107/s0567739478001758
Abstract
The structure types of Rh7Mg44 and Mg6Pd are described by means of packing octahedra and tetrahedra. The host structure common to the two types is a cubic intergrowth of two different building units. One unit has the Mg atoms arranged as the anions in Keggin's ion (PW12040 3-), and the other is an octahedrally capped block of the pyrochlore structure.Keywords
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