The title structure, tetraethylammonium hio-cyanato)(2,2'-bipyrimidine
-N,N')chromium(III), [(C2H5)(4)N][Cr(NCS)(4)(C8H6N4)], consists of dis
crete [Cr(NCS)(4)(bipym)](-) and [(C2H5)(4)N](+) ions, The Cr3+ ion li
es on a mirror plane and has a regular octahedral coordination polyhed
ron. The bipym group is planar, with unexceptional bond distances and
angles.