Geometrical Structures for Molecules

2 bonding electrons and 0 non-bonding electron pairs

Linear

Approx bond angle for linear structure

180

3 bonding electron pairs and 0 non-bonding electron pairs

trigonal planar

Approx bond angle for trigonal planar structure

120

2 bonding electron pairs and 1 non-bonding electron pairs

Bent with <120

4 bonding electron pairs and 0 non-bonding electron pairs

Tetrahedral

Approx bond angle for tetrahedral structure

109.5

3 bonding electron pairs and 1 non-bonding electron pairs

Trigonal pyrimidal

Approx bond angle for trigonal pyramidal structure

107

2 bonding electron pairs and 2 non-bonding electron pairs

Bent with 104.5

5 bonding electron pairs and 0 non-bonding electron pairs

Trigonal bipyrimidal

4 bonding electron pairs and 1 non-bonding electron pairs

See-saw

3 bonding electron pairs and 2 non-bonding electron pairs

T-shaped

2 bonding electron pairs and 3 non-bonding electron pairs

Linear AX₂E₃

6 bonding electron pairs and 0 non-bonding electron pairs

Octahedral

5 bonding electron pairs and 1 non-bonding electron pairs

Square pyramidal

4 bonding electron pairs and 2 non-bonding electron pairs

Square planar