Module 1 : Introduction
Lecture 2 - 3 : VSEPR theory and its utility
 

Molecular shapes determined by VSEPR theory (contd..)

Molecule

SN

Number of lone pairs

Geometry

shape

Example

MA2

 2 0

Linear

 

CO2

MA3

 3
3		 0
 1

Trigonal planar

Trigonal planar
angular

SO3
SO2

MA4

 4 0
 1
 2

Tetrahedral

Tetrahedral
Trigonal pyramidal
Angular

CH4
NH3
H2O

MA5

 5 0
 1
 2
 3

Trigonal bipyramidal

Trigonal bipyramidal
Seesaw
T-shaped
linear

AsF5
SF4
ClF3
XeF2

MA6

 6 0
 1
 2

Octahedral

Octahedral
Square pyramidal
Square planar

SF6
BrF5
XeF4