Bruker APEXII CCD diffractometer	3502 reflections with I > 2σ(I)
Radiation source: sealed tube	Rint = 0.045
Graphite monochromator	θmax = 26.4°, θmin = 1.4°
φ and ω scans	h = −12→12
33697 measured reflections	k = −36→36
6431 independent reflections	l = −13→13