Table 1. X-ray data-collection statistics for the Alr crystal.

The values in parentheses refer to the highest-resolution shell.

Space group	C2221
Unit cell	a = 118.08, b = 141.86, c = 113.83 Å
	α = β = γ = 90°
Resolution (Å)	50.00–2.40 (2.40–2.54)
Unique reflections	37702
R merge † (%)	10.2 (54.0)
I/σ	9.4 (1.6)
Average redundancy	4.1 (4.0)
Completeness (%)	99.6 (99)

^† R _merge = , where is the mean observations I _i(hkl) of reflection hkl.