VSEPR Theory (Molecular Shapes)
e- domains |
Formula |
Image |
Bonds |
Lone Pairs |
Molecular Shape |
Electron Geometry |
Example |
Hybridization |
Bond Angles |
1 |
AX |
WIP |
1 |
0 |
Linear |
Linear |
H2 |
s |
180° |
2 |
AX2 |
WIP |
2 |
0 |
CO2 |
sp |
180° |
AXE |
WIP |
1 |
1 |
CN- |
3 |
AX3 |
WIP |
3 |
0 |
Trigonal planar |
Trigonal planar |
AlBr3 |
sp2 |
120° |
AX2E |
WIP |
2 |
1 |
Bent |
SnCl2 |
AXE2 |
WIP |
1 |
2 |
Linear |
O2 |
4 |
AX4 |
WIP |
4 |
0 |
Tetrahedral |
Tetrahedral |
SiCl4 |
sp3 |
109.5° |
AX3E |
WIP |
3 |
1 |
Trigonal pyramid |
PH3 |
AX2E2 |
WIP |
2 |
2 |
Bent |
SeBr2 |
AXE3 |
WIP |
1 |
3 |
Linear |
Cl2 |
5 |
AX5 |
WIP |
5 |
0 |
Trigonal bipyramid |
Trigonal bipyramid |
AsF5 |
sp3d |
90° , 120° |
AX4E |
WIP |
4 |
1 |
See Saw |
SeH4 |
AX3E2 |
WIP |
3 |
2 |
T shape |
ICl3 |
AX2E3 |
WIP |
2 |
3 |
Linear |
BrF2 |
6 |
AX6 |
WIP |
6 |
0 |
Octahedral |
Octahedral |
SeCl6 |
sp3d2 |
90° |
AX5E |
WIP |
5 |
1 |
Square pyramid |
IF5 |
AX4E2 |
WIP |
4 |
2 |
Square planar |
XeF4 |