Bruker APEXII area-detector diffractometer	1474 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.062
graphite	θmax = 25.2°, θmin = 3.1°
φ and ω scan	h = −14→14
12947 measured reflections	k = −15→15
2956 independent reflections	l = −14→14