Supramolecular cation of an acyclic polyether: potassium(pentaethylene glycol) in a molecular conducting nickel dithiolate salt

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Tomoyuki Akutagawa, Tatuso Hasegawa, Takayoshi Nakamura, Tomoyuki Akutagawa, Yu-ichiro Nezu, Tatuso Hasegawa, Takayoshi Nakamura, Ken-ichi Sugiura, Yoshiteru Sakata, Tamotsu Inabe and Allan E. Underhill


Abstract

The X-ray structural analysis of the title compound revealed the formation of segregated [Ni(dmit)2] (dmit = 2-thioxo-1,3-dithiol-4,5-dithiolate) columns and dimeric K+2[PEG]2 (PEG = pentaethylene glycol) supramolecular cations in the crystal; the interaction between K+ and acyclic PEG was found to be weaker that that between K+ and cyclic polyether 18-crown-6.


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