Bruker SMART APEX diffractometer	1888 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.041
graphite	θmax = 27.5°, θmin = 1.0°
ω scans	h = −5→6
10046 measured reflections	k = −51→51
2825 independent reflections	l = −9→8