M. Pelletier et al., 3,3'-BIS(OCTYLOXY)-2,2'-BITHIOPHENE AT 195 K, Acta crystallographica. Section C, Crystal structure communications, 51, 1995, pp. 1394-1397
In the solid state, the title molecule, C24H38O2S2, possesses a crysta
llographic centre of symmetry. The bithiophene ring system is planar a
nd the central C2-C2' bond length is 1.445(2) Angstrom. The O atom is
within the thiophene mean plane and the torsion angles in the octyloxy
chains are all trans, except for the angle around the first C-C bond
which is gauche. The octyloxy chains are all parallel to one another a
nd are aligned along the bisector of the ac face of the unit cell.