Table 2. Data-collection statistics.

Values in parentheses are for the highest resolution shell.

Beamline	23-ID-B, APS
Wavelength (Å)	1.03323
Detector	MAR 300 CCD
Oscillation (°)	0.5
No. of frames	400
Resolution (Å)	1.6 (1.7–1.6)
Space group	C2
Unit-cell parameters (Å, °)	a = 145.42, b = 108.68, c = 78.74, β = 115.845
No. of observed reflections	602221 (99530)
No. of unique reflections	144425 (23974)
Completeness (%)	99.6 (99.7)
R meas (%)	3.3 (64.5)
CC1/2	100 (92.4)
〈I/σ(I)〉	26.50 (3.1)
Multiplicity	4.17 (4.15)