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organic compounds
The title compound, C12H6Cl4, 2,2',5,5'-tetrachlorobiphenyl, crystallized in the monoclinic space group C2/c. The dihedral angle and bond length between the two phenyl rings are 59.0° and 1.467 (14) Å, respectively. The ortho- and meta-C-Cl bond lengths, C(6)-Cl(2) and C(3)-Cl(1), are 1.746 (8) and 1.746 (9) Å, respectively.