6,6'-Dibromoindigo

The structure in the solid state is revealed by X-ray crystallography and shows each molecule hydrogen-bonded to four others. The black dotted lines labelled 2.306 show the length of the hydrogen bonds joining the molecules

structure of 6,6'-dibromoindigo

S Larsen and F Watjen, Acta Chemica Scandanavica Series A 1980 34 171

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