Bruker SMART CCD area-detector diffractometer	4057 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.034
Monochromator: graphite	θmax = 28.0º
T = 173(2) K	θmin = 1.6º
φ and ω scans	h = −10→10
Absorption correction: none	k = −13→13
11798 measured reflections	l = −17→16
4901 independent reflections