Dipole Moments ·u=4.8xδxd,whereδis the charge (proportional to AEN)and d is the distance (bond length)in Angstroms. Electronegativities:F>CI>Br >I Bond lengths:C-F C-CI C-Br C-I Bond dipoles:C-CI C-F C-Br C-I 1.56D1.51D1.48D1.29D ·Molecular dipoles depend on shape,too！ => Chapter6 11Chapter 6 11 Dipole Moments • m = 4.8 x  x d, where  is the charge (proportional to DEN) and d is the distance (bond length) in Angstroms. • Electronegativities: F > Cl > Br > I • Bond lengths: C-F < C-Cl < C-Br < C-I • Bond dipoles: C-Cl > C-F > C-Br > C-I 1.56 D 1.51 D 1.48 D 1.29 D • Molecular dipoles depend on shape, too! =>