AP Chemistry Bond Angles and Shapes

Linear

2 shared pairs

bond angle 180°

2 sp

Trigonal Planar

3 shared pairs

bond angle 120°

3 sp²

Bent

2 shared 1 unshared pair

bond angle 117°

3 sp²

Tetrahedral

4 shared pairs

bond angle 109.5°

4 sp³

Trigonal Pyramidal

3 shared 1 unshared pair

bond angle 107.5°

4 sp³

Bent (4)

2 shared 2 unshared pairs

bond angle 104.5°

4 sp³

Trigonal Bipyramidal

5 shared pairs

bond angles 120° and 90°

5 sp³d

Seesaw

4 shared 1 unshared pair

bond angles < 90° and < 120°

5 sp³d

T-shaped

3 shared 2 unshared pairs

bond angles 90°

5 sp³d

Linear (5)

2 shared 3 unshared pairs

bond angle 180°

5 sp³d

Octahedral

6 shared pairs

bond angle 90°

6 sp³d²

Square Pyramidal

5 shared 1 unshared pair

bond angle < 90°

6 sp³d²

Square Planar

4 shared 2 unshared pairs

bond angle 90°

6 sp³d²