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Updated: Mar 17, 2026

Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
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The Tetracyanopyridinide Dimer Dianion, σ-[TCNPy]2 (2.)

Jingjun Hao1, Arnold L Rheingold2, Marzieh Kavand3

  • 1Material Research Science and Engineering Center, Department of Chemistry, University of Utah, Salt Lake City, UT, 84112-0850, USA.

Chemistry (Weinheim an Der Bergstrasse, Germany)
|July 29, 2016
PubMed
Summary

The reaction of 2,3,5,6-tetracyanopyridine (TCNPy) with Cr(C6H6)2 forms a unique diamagnetic dimer with a strong sp(3)-sp(3) bond. This finding contrasts with related compounds forming weaker, multicenter bonds.

Keywords:
bondingcrystal structurecyanidescyanocarbonradical ions

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