Bruker SMART CCD area-detector diffractometer	4356 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.022
graphite	θmax = 27.6°, θmin = 3.6°
φ and ω scans	h = −11→11
10841 measured reflections	k = −9→8
4602 independent reflections	l = −22→22