2-{22-Bis(diethyl­amino)­ethan-2-ylium­thio­ylsulfan­yl}-11-bis­(diethyl­amino)­ethyl­ium bis­(perchlorate)

摘要

The title salt, C20H42N4S2 ²⁺·2ClO4 ⁻, was obtained from the reaction of bis­(diethyl­amino)­carbeniumdithio­carboxyl­ate, (Et2N)2C2S2, with Fe(ClO4)2·6H2O in CH2Cl2. The title compound, in which one of the S atoms of (Et2N)2C₂S₂ is bound to a 1,1-bis­(diethyl­amino)­ethane moiety, has two carbenium C atoms, and the charge compensation is provided by two perchlorate anions. The N₂C—CS₂ bond length is 1.512 (4) Å, corresponding to a C—C single bond, and the dihedral angle between N₂C– and –CS₂ planes [72.0 (2)°] is smaller than that of (Et₂N)₂C₂S₂ [82.0 (1)°]. The crystal structure features C—H⋯S hydrogen bonds.