Bruker SMART APEX DUO CCD area-detector diffractometer	3331 independent reflections
Radiation source: fine-focus sealed tube	2802 reflections with > 2(I)
graphite	Rint = 0.025
φ and ω scans	θmax = 30.0°, θmin = 1.2°
Absorption correction: multi-scan (SADABS; Bruker, 2009)	h = −24→24
Tmin = 0.844, Tmax = 0.979	k = −7→7
11852 measured reflections	l = −17→17