Table 4.

Single crystal data collection and structure refinements of τ₁₂.

Empirical formula	Al3Fe2Si
Z	16
Crystal system, Space group	Fd$\overline{3}$m
Structure type	NiTi2
Cell parameter (Å)	10.806(2)
Cell volume (Å3)	1261.8(6)
Crystal dimensions (μm)	20 × 40 × 50
2 θ range for data collection (°)	3–70
Reflections collected/unique	1790/1201
Extinction coefficient	0.0002(2)
R1 = Σ(||Fo| − |Fc||)/ΣFo (164 merged reflections)	0.042
wR2 = ${\left[\sum w{\left(F_o^2-F_c^2\right)}^2/\sum |w\left(F_o^4\right)\right]}^{1/2}$	0.061
Final difference Fourier map/eÅ−3	−0.92 to +1.09