Siemens SMART three-axis goniometer with an APEXII area-detector system diffractometer	634 independent reflections
Radiation source: fine-focus sealed tube	413 reflections with I > 2σ(I)
graphite	Rint = 0.013
Detector resolution: 512 pixels mm-1	θmax = 28.2°, θmin = 3.5°
in ω at 0.3° scan width one run with 740 frames, phi = 0°, chi = 0°	h = −9→9
Absorption correction: multi-scan (SADABS; Bruker; 2004)	k = −14→10
Tmin = 0.820, Tmax = 0.953	l = −9→4
1074 measured reflections