Keywords: Trigonal bipyramid.png en Idealized trigonal bipyramidal coordination polyhedron where all the bond lengths between the central atom light gray and the ligands dark gray are equal Note that in this case the faces are not equilateral triangles The thick edges correspond to dihedral angles of 53 1° the thinner ones to dihedral angles of 101 5° own Perditax 2010-11-07 Molecular geometry |