Tetraethylammonium tetrachloronickelate is the

chemical compound A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds. A molecule consisting of atoms of only one element ...

with the formula (N(C₂H₅)₄)₂NiCl₄. It is the

tetraethylammonium Tetraethylammonium (TEA), () or (Et4N+) is a quaternary ammonium cation consisting of four ethyl groups attached to a central nitrogen atom, and is positively charged. It is a counterion used in the research laboratory to prepare lipophilic salts ...

salt of the blue-colored tetrahedral anion iCl₄sup>2-. Several

tetrachloronickelate Tetrachloronickelate is the metal complex with the formula iCl4sup>2−. Salts of the complex are available with a variety of cations, but a common one is tetraethylammonium. When concentrated lithium chloride and nickel chloride solution in wa ...

salts are known. They are paramagnetic.

References

{{Chlorides Chlorides Nickel complexes Metal halides