Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 12 (December 2012)

organic compounds

Acta Cryst. (2012). E68, o3276    [ doi:10.1107/S1600536812044571 ]

Isopropyl 2,2-bis­(4-bromo­phen­yl)-2-hy­droxy­acetate

G. Smith

Abstract: The title compound, C17H16Br2O3, which is a restricted commercial acaricide (common name bromo­propyl­ate), has two independent and conformationally similar mol­ecules in the asymmetric unit [dihedral angles between the planes of the two phenyl rings = 68.7 (4) and 77.4 (5)°]. The C atoms of the isopropyl group of one of the mol­ecules are disordered over two sites with occupancies of 0.638 (16) and 0.362 (16). Minor non-merohedral twinning was also present in the crystal. Inter­molecular O-H...O hydrogen-bonding inter­actions involving the hy­droxy groups and carboxyl O-atom acceptors give separate centrosymmetric homodimers through cyclic hydrogen-bonding motifs [graph set R22(10)].

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