Table 1. Data-collection statistics.

Values in parentheses are for the outermost resolution shell.

X-ray source	Cu Kα anode
Wavelength (Å)	1.5418
Resolution range (Å)	31.15–2.90 (3.05–2.90)
Space group	P61 or P65
Unit-cell parameters (Å, °)	a = b = 95.15, c = 100.25, α = β = 90, γ = 120
Total No. of observations	143360 (19699)
Unique reflections	11506 (1636)
Redundancy	12.5
Completeness (%)	99.7 (98.1)
Mean I/σ(I)	27.5 (7.6)
Rmerge† (%)	9.5 (36.5)

^† R _merge = .