Abstract
Carbamoylmethylthio-substituted TTF-based donors afforded inclusion-type salts with a BF4 counter ion or an F4-TCNQ acceptor. The crystal structures of these salts are characterized by a one-dimensional double chain composed of singly-oxidized donors via SOMO–SOMO interaction and side-by-side S⋯S contacts. Counter ions of BF4 are hydrogen-bonded to the amide groups. On the other hand, F4-TCNQ acceptors are stacked in a channel created by a stair-like arrangement of donor chains. The thermally activating magnetic susceptibility of the F4-TCNQ complex was interpreted in terms of a double-chain frustrated spin system.
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