VSEPR & Molecular Geometry

Hybridization

the mixture of atomic orbitals to form a molecular orbital.

VSEPR

valence shell electron pair repulsion.

6 electron domains

sp3d2

5 electron domains

sp3d

4 electron domains

sp3

3 electron domains

sp2

2 electron domains

sp

6 bonds, 0 lone pairs

Octahedral, 90

5 bonds, 1 lone pair

Square Pyramid, <90

4 bonds, 2 lone pairs

Square Planar, 90

3 bonds, 3 lone pairs

T-shaped, 90

2 bonds, 4 lone pairs

Linear, 180 5 bonds,

0 lone pairs

Trigonal bipyramidal, 90 &120

4 bonds, 1 lone pair

Seesaw, <90

3 bonds, 2 lone pairs

T-shaped, <90

2 bonds, 3 lone pairs

linear, 180

4 bonds, 0 lone pairs

Tetrahedral, 109.5

3 bonds, 1 lone pair

Trigonal Pyramid, 107.5

2 bonds, 2 lone pairs

bent, 104.5

3 bonds, 0 lone pairs

Trigonal Planar, 120

2 bonds, 1 lone pair

bent, between 104.5 and 120

2 bonds, 0 lone pairs

linear

hybridization

the mixture of atomic orbitals to form a molecular orbital

VSEPR

valence shell electron pair repulsion

anything with one lone pair

is polar

bent and t shape with 3 lone pairs

is polar

EN difference 0

covalent non polar

EN difference 0.4 through 1.7

covalent polar

EN difference <1.7

ionic