Bis(2-thienyl)acetylene

Bis(2-thienyl)acetylene

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The planar [maximum deviation 0.0066 (4) Å] pride sundancer scooter symmetrical molecule of the title compound, C10H6S2, lies across a crystallographic inversion centre.The thiophene rings are rotationally disordered about the acetylene bond, with the two pseudo inversion-related S atoms in skittles ornament 0.80:0.

20 occupancy sites.The C[triple-bond]C bond distance is 1.195 (9) Å.