Isotopically Substituted Bis(ethylenedithio)tetrathiafulvalene at 15K by Time-of-Flight Neutron Diffraction

The title compound, C₁₀D₈S₈, (ET), has been synthesized whereby all eight S atoms, the four ethylene C atoms and all eight H atoms have been isotopically substituted with ³⁴S, ¹³C and ²H, respectively. Analysis of the neutron scattering lengths derived from single-crystal time-of-flight neutron diffraction data obtained at T = 15 K confirms the isotopic distribution. The title phase crystallizes in the space group P2₁/n with bond lengths and angles consistent with neutral ET.

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