A series of 16 articles, dealing with formation of tricyanomethanide salts from nitrogen
bases (amines) and tricyanomethane, turned out to be wrong because no tricyanomethane
or similar compounds are used and no tricyanomethanide salts are prepared. This statement
is based mainly on the recently published spectroscopic data and depicted spectra,
which are completely incompatible with the claimed structures. Some of the tricyanomethanide
salts are now synthesized from nitrogen heterocycles and tricyanomethane or other
precursors. The corresponding products show plausible spectroscopic data and physical
properties, which are entirely different to those previously reported.
Key words
exclusion of structures - spectroscopic characterization - tricyanomethane - tricyanomethanide
salts - unstable compounds