Molecular Geometry

Linear (AX₂)

2 bonded atoms, 0 unbonded pairs, sp, 180°, BeF₂

Trigonal planar (AX₃)

3 bonded atoms, 0 unbonded pairs, sp², 120°, BF₃

Bent (angular) (AX₂E)

2 bonded atoms, 1 unbonded pair, sp²,

Tetrahedral (AX₄)

4 bonded atoms, 0 unbonded pairs, sp³, 109.5°, CH₄

Trigonal pyramidal (AX₃E)

3 bonded atoms, 1 unbonded pair, sp³, <109°, NH₃

Bent (angular) (AX₂E₂)

2 bonded atoms, 2 unbonded pairs, sp³,

Trigonal bipyramidal (AX₅)

5 bonded atoms, 0 unbonded pairs, 90°, 120°, 180°, PCl₅

Octahedral (AX₆)

6 bonded atoms, 0 unbonded pairs, 90°, 180°, SF₆

Square planar (AX₄E₂)

4 bonded atoms, 2 unbonded pairs, 90°, XeF₄

Square pyramidal (AX₅E)

5 bonded atoms, 1 unbonded pair, 90°, BrF₅

T-shaped (AX₃E₂)

3 bonded atoms, 2 unbonded pairs, 90°, 120°, ClF₃

Linear (AX₂E₃)

2 bonded atoms, 3 unbonded pairs, 180°, XeF₂

Seesaw (AX₄E)

4 bonded atoms, 1 unbonded pair, 180°, 120°, 90°, SF₄

single bond

1 sigma bond

double bond

1 sigma bond, 1 pi bond

triple bond

1 sigma bond, 2 pi bonds