A black single crystal with a platelet shape was selected under a polarizing microscope and then studied by SCXRD on beamline I19, Diamond Light Source, Didcot, U.K. using silicon double crystal monochromatic synchrotron radiation (λ = 0.6889 Å, Pilatus 2 M detector). The synchrotron data were collected with the sample at 100 K. Cell refinement and data reduction were performed using Xia 27 and Dials programs. The structure was solved and refined using SHELX-2013, 29 implemented through Olex2. The final residual factors converged to R1 = 0.0119 and wR2 = 0.0114 for reflections with I > 2σ (I). Single crystal solution structure refinement parameters, isotropic and anisotropic thermal displacement parameters and main bond distances are available in the Supporting Information (S13 -16)