Bruker X8 APEXII diffractometer	2231 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.023
graphite	θmax = 30.0°, θmin = 3.4°
φ and ω scans	h = −21→21
13930 measured reflections	k = −8→8
2506 independent reflections	l = −25→25