Bruker SMART CCD area-detector diffractometer	3021 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.036
graphite	θmax = 25.0°, θmin = 1.4°
φ scans, and ω scans	h = −25→26
6322 measured reflections	k = −8→8
3525 independent reflections	l = −18→11