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Abstract:
A significant feature of the atomic structure of the intermetallic
compounds RhAl2.63 (Pearson-Parthe symbol cP(34-5) [notation according
to Parthe et al. (1993)], space group P23), ITAl2.75 (cP(34-4), P23) and
AuZn3 (cP32, Pm (3) over bar n) is the occurrence of icosahedral
clusters. Least squares refined lattice parameters and powder
diffraction data are reported for these homeotypic phases. (C) 1997
International Centre for Diffraction Data.