Gadolinium nitrate forms a complex with terpyridine at the interface betwee
n an aqueous solution of the metal cation and a chloroform solution of the
organic ligand. The title complex, [Gd(terpy)(NO3)(2)(H2O)(3)]NO3 (terpy =
terpyridine, C15H11N3), is ten-coordinate and its coordination polyhedron c
an be described as a distorted bicapped square antiprism. The coordinated n
itrates are bidentate. The three water ligands form hydrogen bonds in the l
attice.