The molecular and crystal structure of 2,17,32,35-tetrathia-[3,3,3,3](3,5′,5,3′)biphenylophane*

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Abstract
The crystal structure of 2,17,32,35-tetrathia[3,3,3,3](3,5′,5,3′)biphenylophane has been determined from three-dimensional x-ray diffraction data. The compound crystallizes in the monoclinic space group P21/c with four molecules per unit cell. The cell dimensions are: a = 19.416(3) Å, b = 7.206(2) Å, c = 19.568(3) Å, and β = 110.76(3)°. The structure was solved by the symbolic addition procedure and was refined by the block-diagonal least-squares method to R = 0.078 (4849 reflections). The molecule consists of two crossed biphenyl units bridged by four –CH2–S–CH2– groups. The two biphenyl molecules are not planar. The benzene rings are twisted about and are bent from central C–C bonds.

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