Bruker APEXII CCD area-detector diffractometer	7416 independent reflections
Radiation source: sealed tube	7177 reflections with I > 2σ(I)
graphite	Rint = 0.028
φ and ω scans	θmax = 37.5°, θmin = 2.2°
Absorption correction: multi-scan (SADABS; Bruker, 2005)	h = −43→43
Tmin = 0.872, Tmax = 0.951	k = −6→6
56940 measured reflections	l = −23→24