Highly tunable fluorinated trispyrazolylborates [HB(3-CF3-5-{4-RPh}pz)3](-) (R = NO2, CF3, Cl, F, H, OMe and NMe2) and their copper(I) complexes.

Highly tunable fluorinated trispyrazolylborates [HB(3-CF3-5-{4-RPh}pz)3](-) (R = NO2, CF3, Cl, F, H, OMe and NMe2) and their copper(I) complexes.