Trigonal bipyramidal with angles of 90° & 120° (PCl5)

ball and stick model of phosphorus pentachloride

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Seesaw with angles of 90° & 120° (SF4)

ball and stick model of sulfur tetrafluoride

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

T-shaped with angles of 90° (ClF3)

ball and stick model of Chlorine trifluoride

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Linear with angles of 180° (I3-)

ball and stick model of triodide ion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Octahedral with angles of 90° (AsF6-)

ball and stick model of Arsenic hexafluoride ion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tetragonal pyramidal with angles of 90° (ICl5)

ball and stick model of Iodine pentachloride

 

 

 

 

 

 

 

 

 

 

 

 

Square planar with angles of 90° (XeF4)

ball and stick model of Xenon tetrafluoride

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Polarity in Covalent Molecules

Molecule Geometry Structure Electronegativities Bond Dipoles Molecular Dipole Model
Carbon monoxide  linear

  C:::O

ENC= 2.5,
ENO= 3.5
 CO structure diagram with dipole arrow  CO structure diagram with dipole arrow  
Carbon dioxide  linear  O=C=O
ENC= 2.5,
ENO= 3.5
 CO2 structure diagram with dipole arrows  None: two dipoles are of equal magnitude, but opposite in direction and cancel.  
 Water  bent
  3D structural diagram of water showing lone pairs of electrons
 water structure diagram

 

ENH= 2.1,
ENO= 3.5
 water structure diagram with bond dipole arrows  water structure diagram with molecular dipole arrow ball and stick model of water with dipolee
 Ammonia  trigonal pyramidal  ammonia structure diagram

 

ENH= 2.1,
ENN= 3.0
 ammonia structure diagram with bond dipole arrows  ammonia structure diagram with molecular dipole arrow ball and stick model of ammonia with dipole
Ammonium ion tetrahedral  ammonium ion structure diagram 

 

ENH= 2.1,
ENN= 3.0
ammonium ion structure diagram with bond dipole arrows  None: four dipoles are symmetrically arranged to cancel each other out and give a spherically charged but non-polar ion. ball and stick model ofammonium ion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

drawing of trigonal pyramid

 

 

 

 

 

 

 



ball and stick model of Chlorine trifluoride

 

 

 

 

 

 

 


© R A Paselk

Last modified 8 April 2015