Determination of the molecular structure of tris(difluorophosphino)-amine by electron diffraction in the gas phase

Abstract

The molecular structure of N(PF₂)₃ in the gas phase has been determined by electron diffraction. The molecule has a planar skeleton, with overall C_3h symmetry, and r_a(P–F) 157.4(2), r_a(P–N) 171.2(4) pm, F–P–F 97.1(5), and F–P–N 99.0(4)°. The root-mean-square amplitude of torsion of the PF₂ groups from their average positions is 17°, corresponding to a harmonic torsional frequency at 30 cm^–1.