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Figure 4 A view of a part of the crystal structure of the title compound: (a) Left-handed helical chains of molecules with R configuration connected via the weak C—H⋯F interactions (represented with the orange dashed lines) along the b axis; (b) the weak C—H⋯F interactions of the left-handed helical chains (indicated as the orange dashed line in the orange oval rings), the weak C—H⋯F interactions of the right-handed helical chains (represented as the green dashed line in the green oval rings); and the weak C—H⋯O interactions (represented as the red dashed lines); (c) Right-handed helical chains of the molecules with S configuration connected via the weak C—H⋯F interactions (represented with the green dashed lines) along the b axis. |