VSEPR STRUCTURES

No.

Electron

Pairs

Electron Pair

Arrangement

No. Lone Pairs On Central

Atom

No. Bonds on Central Atom

MOLECULAR STRUCTURE

Example

6

Octahedral

0

6

Octahedral

SCl6

6

Octahedral

1

5

Square pyramidal

ICl5

6

Octahedral

2

4

Square planar

XeF4

6

Octahedral

3

3

T-shaped

 

5

Trigonal bipyramidal

0

5

Trigonal bipyramidal

PCl5

5

Trigonal bipyramidal

1

4

See-saw

TeCl4

5

Trigonal bipyramidal

2

3

T-shaped

ICl3

5

Trigonal bipyramidal

3

2

Linear

I3-

4

Tetrahedral

0

4

Tetrahedral

CH4

4

Tetrahedral

1

3

Trigonal pyramidal

NH3

4

Tetrahedral

2

2

Bent or Angular

H2O

3

Trigonal planar

0

3

Trigonal

planar

BCl3

3

Trigonal

planar

1

2

Bent or Angular

NO2-

2

Linear

0

2

Linear

CO2