Central atom:Clclf3 structure
Cl contributes:7 e
3 x F contibute:3 e
Total VSE:10
Total VSEP:5
Geometry:T-shaped (based on trigonal-bipyramidal)


  • The lone pairs occupy equatorial positions on the trigonal bipyramid. This minimises the number of 90° lone-pair:bonding-pair interactions
  • The equatorial-axial F–Cl–F bond angles are less than 90° due to lone-pair:bonding-pair repulsion being greater than bonding-pair:bonding-pair repulsion
  • The axial-axial F–Cl–F bond angle is less than 180° for the same reason


3-D rotatable diagram