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Abstract
The crystal structure of 6′-acetamido-6-bromo-2-cyano-4′-diethylamino-4-nitroazobenzene has been determined by single-crystal X-ray analyis. The crystals are monoclinic, a = 7.070(3), b = 12.409(4), c = 23.439(7) Å, β = 101.35(3)°, space group P21/c, Z = 4. The structure was refined to R = 0.078 and Rw = 0.065 by block-diagonal least-squares methods, using 2743 independent reflections measured with a single-crystal diffractometer. The conformation found has the acetamide group trans to the Br atom, and is apparently stabilized by intramolecular hydrogen bonding.
Published Online: 2010-08-25
Published in Print: 1982
