VSPER Theory

bond pair = 2
lone pair = 0

shape: linear

name: linear

bond angle: 180

bond pair = 3
lone pair = 0

shape: trigonal planar name: trigonal planar bond angle: 120

bond pair = 2
lone pair = 1

shape: trigonal planar
name: bent (v-shape)

bond angle: slightly less than 120 (depending on how electronegative the bonds are)

bond pair = 4
lone pair = 0

shape: tetrahedral

name: tetrahedral

bond angle: 109.5

bond pair = 3
lone pair = 1

shape: tetrahedral

name: trigonal pyramidal

bond angle: 107 approx.

bond pair = 2
lone pair = 2

shape: tetrahedral

name: bent (v-shape)

bond angle: 104.5 approx.

bond pair = 5
lone pair = 0

shape: trigonal bipyramidal

name: trigonal bipyramidal

bond angles: 90, 120, 180

bond pair = 4
lone pair = 1

shape: trigonal bipyramidal

name: seesaw

bond angles: <90, <120

bond pair = 3
lone pair = 2

shape: trigonal bipyramidal

name: T-shape

bond angles: <90, 180

bond pair = 2
lone pair = 3

name: trigonal bipyramidal

shape: linear

bond angle: 180

bond pair = 6
lone pair = 0

shape: octahedral

name: octahedral

bond angle: 90, 180

bond pair = 5
lone pair = 1

shape: octahedral

name: square pyramidal

bond angle: <90, 180

bond pair = 4
lone pair = 2

shape: octahedral

name: square planar

bond angle: 90, 180