No abstract

The crystal structure of Fe

Abstractfor 137 unique reflections. The refined structure differs from the approximate structure proposed previously by an additional partially occupied atomic position.

No abstract

The structure of Co 2 Al 5 (hP28, Pb^lmmc) was refined by means of Rietveld method. The shortest Co-Al distance amounts 2.338 A. Co 2 Al 5 shows a homogeneity range between Co 2 9Al 71 and Co 275 Al 725 at 1125 K. The concentration dependence of lattice parameters was also measured. The axial ratio cla increases with increasing mole fraction of aluminum. © 1998 International Centre for Diffraction Data. [S0885-7156(98)00701-5]