Electron and molecular group geometry

2 electron group geometry?

linear

AX2

linear molecular geometry, 180 angles

3 electron group geometry?

Trigonal Planar

AX3

trigonal planar, 120 angles

AX2E

Bent, <120 angles (non-ideal)

4 electron group geometry

Tetrahedral

AX4

tetrahedral, 109.5 angles

AX3E

Trigonal Pyramidal, <109.5 angles (non-ideal)

AX2E2

Bent, <<109.5 angles (non-ideal)

5 Electron group geometry

Trigonal Bipyramidal

AX5

Trigonal bipyramidal, 120 angles in equatorial (in same plane as central atom) positions, 90 angles between equatorial and axial (in perpendicular plane as central atom) positions

AX4E

See-Saw, <90 angles between equatorial and axial, <120 between the only 2 atoms in equatorial (non-ideal)

AX3E2

T-Shaped, <<90 angles (non-ideal)

AX2E3

linear, 180 angle between the only 2 atoms

6 electron group geometry

Octahedral

AX6

Octahedral, 90 angles between all 6 atoms

AX5E

Square pyramidal, <90 angles (non-ideal)

AX4E2

Square Planar, 90 angles (between all 4 atoms, all in equatorial)