The Molecular Symmetry Group Theory for Thrimethylamine-BH3 Addend (BH3 Free Rotation)

A simple method is described, for calculation of character table for the symmetry group of molecules consisting of a number XH3 groups attached to a rigid framework. For the full non-rigid group (f-NRG) of the trimethylamine-BH3 addend (BH3 free of rotation), with C3v symmetry we prove that it is a group of order 648 with 14 conjugacy classes. The character tables of this group are calculated.