2-Methyl-imidazolium tetra-kis-(2-thenoyltri-fluoroacetonato-κ2 O,O')neodymium(III).

The title complex, (C4H7N2)[Nd(C8H4F3O2S)4], is a salt formed via the acid-base reaction between 2-thenoyltri-fluoro-acetone (HTTA) and 2-methyl-imidazole (MeIm) in presence of neodymium(III) tri-fluoro-methane-sulfonate. The resulting compound features [Nd(TTA)4]- anions with the central rare-earth metal cation placed on a twofold rotation axis, and [MeImH]+ cations, disordered over an inversion centre. Cations and anions are linked through N-H⋯O hydrogen bonds to form zigzag chains running along [001].