Bruker SMART CCD area-detector diffractometer	2151 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.028
Monochromator: graphite	θmax = 28.3º
T = 273(2) K	θmin = 1.8º
φ and ω scans	h = −16→23
Absorption correction: none	k = −22→22
14901 measured reflections	l = −20→20
2911 independent reflections