A racemic polar cobalt phosphonate with weak ferromagnetism.

Comfortably nemp: A novel polar compound [Co(2)(nemp)(2)(H(2)O)(2) ] incorporating racemic [1-(1-naphthyl)ethylamino]methylphosphonate (nemp(2-)) as a ligand is reported (see packing structure). This compound shows nonlinear optical properties at room temperature and weak ferromagnetism below 2 K.