Bruker X8 Kappa APEXII diffractometer	3451 independent reflections
Radiation source: fine-focus sealed tube	3119 reflections with I > 2σ(I)
graphite	Rint = 0.028
Detector resolution: 0.0833 pixels mm-1	θmax = 30.0°, θmin = 3.5°
φ and ω scans	h = −8→8
Absorption correction: gaussian (SADABS; Bruker, 2009)	k = −17→17
Tmin = 0.880, Tmax = 0.964	l = −20→23
14337 measured reflections