Nonius KappaCCD diffractometer	2324 independent reflections
Radiation source: fine-focus sealed tube	1604 reflections with I > 2σ(I)
graphite	Rint = 0.074
φ and ω scans	θmax = 25.5°, θmin = 3.4°
Absorption correction: multi-scan (SADABS; Bruker, 2006)	h = −10→10
Tmin = 0.888, Tmax = 0.982	k = −20→20
11914 measured reflections	l = −10→10