Chemistry VESPR Geometry (Linear, Trigonal planar, Tetrahedral)

Linear

# of Bonding Groups = 2

# of lone pairs = 0

Approximate Bond Angle = 180

Example = CO2

Trigonal Planar

# of Bonding Groups = 3

# of lone pairs = 0

Approximate Bond Angle = 120

Example = BH3

Bent (Trigonal Planar)

# of Bonding Groups = 2

# of lone pairs = 1

Approximate Bond Angle = <120

Example = NO2-

Tetrahedral

# of Bonding Groups = 4

# of lone pairs = 0

Approximate Bond Angle = 109.5

Example = CH4

Trigonal Pyramidal

# of Bonding Groups = 4

# of lone pairs = 0

Approximate Bond Angle = <109.5

Example = NH3

Bent (Tetrahedral)

# of Bonding Groups = 2

# of lone pairs = 2

Approximate Bond Angle = <109.5

Example = H2O