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Representation of the interplanar angle (α) between the planes containing the phenylselanyl, blue plane, and the benzo[b]selenophene, purple plane, groups for 3-iodo-2-(phenylselanyl)benzo[b]selenophene (4). Displacement ellipsoids are drawn at the 50% probability level. Gray: carbon; orange: selenium; bluish green: iodine; white: hydrogen.
