VSEPR Table

No.of s Electron	Electron Pair Geometry	No. of Pendant	Molecular Geometry Example
s Pairs + p 2 + 2	(Bond Angle) linear (180^o)	Atoms 2	linear Display: CO₂Distances (length in Å units) C=O oposite 180^o O=C=O Rotate: 30° about X Y Z open into window + task Central Atom Carbon dioxide Hybridization ?
3 + 1	trigonal planar (120^o)	3	trigonal planar Display: CO₃^2- Distances (length in Å units) C=O trigonal 120^o O=C-O Rotate: 30° about X Y Z open into window + task Central Atom Carbonate Hybridization ?
2 + 2	(120^o)	2	bent Display: NO₂^-Distances (length in Å units) N=O O=N=O Rotate: 30° about X Y Z open into window + task Central Atom Nitric dioxide Hybridization ?
4 + 0	tetrahedral (109.5^o)	4	tetrahedral Display: CH₄Distances (length in Å units) C-H H-C-H Rotate: 30° about X Y Z open into window + task Central Atom Metane Hybridization ?
3 + 0	(104.5^o)	3	trigonal pyramidal Display: NH₃Distances (length in Å units) N-Htrigonal 104.5^o H-N-HRotate: 30° about X Y Z open into window + task Central Atom Amonia Hybridization ?

No.of s Electron	Electron Pair Geometry	No. of Pendant	Molecular Geometry Example
s Pairs + p 2 + 0	(Bond Angle) (104.5^o)	Atoms 2	bent Display: H₂O Distances (length in Å units) H-O bent 104.5^o H-O-H Rotate: 30° about X Y Z open into window Water - Hydrogen Oxide Hybridization ?
2 + 0	trigonal planar + + bent (120^o, 109^o)	2	trigonal planar Display: HCOOH Distances(length in Å units) C=O HCOH bent 109^o C-O-H 120^o Rotate: 30° about X Y Z open into window + task Central Atom Formic acid Hybridization ?
3 + 1	Ethene trigonal planar (120^o, 120^o)	5	trigonalplanar Display: H₂C=CH₂ Distances (length in Å units) C=C straighte 120^o H-^C=C-H oposite 120^o H-C Rotate: 30° about X Y Z open into window + task Central Atom Ethene Hybridization ?
2 + 2	Ethyne linear (180^o, 180^o)	4	square planar Display: HC=-CH ^-Distances(length in Å units) C=-C straighte180^o H-^C=-C-H oposite 180^o H-C Rotate: 30° about X Y Z open into window + task Central Atom Ethyne - Acetylene Hybridization ?
s Pairs + p 6 + 0	octahedral (90^o, 180^o)	6	octahedral Display: SF₆Distances (length in Å units) S-F straighte 90^o F-S-F oposite 180^o F-S-F Rotate: 30° about X Y Z open into window + task Central Atom Sulfur hexafluoride Hybridization ?
5 + 0	trigonal bipyramidal (90^o, 120^o)	5	trigonal bipyramidal Display: PCl₅ Distances(length in Å units) P-Cl straighte 90^o Cl-P-Cl bipyramidal 180^o Cl-P-Cl trigonal 120^o Cl-P-Cl Rotate: 30° about X Y Z open into window + task Central Atom Phosphor pentachloride Hybridization?

No.of s
Electron

Electron Pair
Geometry

No. of
Pendant

Molecular Geometry Example

Image

s Pairs
+ p
2
+ 0

(Bond Angle)
(104.5^o)

Atoms
2

bent Display:

H₂O Distances
(length in Å units)

H-O
bent 104.5^o

H-O-H
Rotate: 30° about X

open into window Water -
Hydrogen Oxide Hybridization ?

2
+ 0

trigonal
planar +
+ bent
(120^o, 109^o)

trigonal planar Display:

HCOOH
Distances(length in Å units)

C=O

HCOH bent 109^o

C-O-H 120^o
Rotate: 30° about X

open into window + task Central Atom
Formic acid Hybridization ?

3
+ 1

Ethene
trigonal planar
(120^o, 120^o)

trigonalplanar Display:

H₂C=CH₂
Distances (length in Å units)

C=C
straighte 120^o

H-^C=C-H
oposite 120^o

H-C
Rotate: 30° about X

open into window + task Central Atom
Ethene Hybridization ?

2
+ 2

Ethyne
linear
(180^o, 180^o)

square planar Display:

HC=-CH
^-Distances(length in Å units)

C=-C
straighte180^o

H-^C=-C-H
oposite 180^o

H-C
Rotate: 30° about X

open into window + task Central Atom
Ethyne - Acetylene Hybridization ?

s Pairs
+ p
6
+ 0

octahedral
(90^o, 180^o)

octahedral Display:

SF₆Distances
(length in Å units)

S-F
straighte 90^o

F-S-F
oposite 180^o

F-S-F
Rotate: 30° about X

open into window + task Central Atom
Sulfur hexafluoride Hybridization ?

5
+ 0

trigonal
bipyramidal
(90^o, 120^o)

trigonal bipyramidal Display:

PCl₅
Distances(length in Å units)

P-Cl
straighte 90^o

Cl-P-Cl
bipyramidal 180^o

Cl-P-Cl
trigonal 120^o

Cl-P-Cl
Rotate: 30° about X

open into window + task Central Atom
Phosphor pentachloride Hybridization?

No.of s Electron	Electron Pair Geometry	No. of Pendant	Molecular Geometry Example	Image
s Pairs + p 5 + 0	(Bond Angle) square pyramidal (90^o, 180^o)	Atoms 5	square pyramidal Display: BrF₅ Distances (length in Å units) Br-F straighte 90^o F-Br-F oposite 180^o F-Br-F Rotate: 30° about X Y Z open into window + task Central Atom Bromine pentafluoride Hybridization ?
4 + 0	square planar (90^o, 180^o)	4	square planar Display: ICl₄^- Distances (length in Å units) I-Cl straighte 90^o Cl-I-Cl oposite 180^o Cl-I-Cl Rotate: 30° about X Y Z open into window + task Central Atom Iodine tetrafluoride Hybridization ?

No.of s
Electron

Electron Pair
Geometry

No. of
Pendant

Molecular Geometry Example

Image

s Pairs
+ p
5
+ 0

(Bond Angle)
square
pyramidal
(90^o, 180^o)

Atoms
5

square pyramidal Display:

BrF₅
Distances (length in Å units)

Br-F
straighte 90^o

F-Br-F
oposite 180^o

F-Br-F
Rotate: 30° about X

open into window + task Central Atom
Bromine pentafluoride Hybridization ?

4
+ 0

square planar
(90^o, 180^o)

square planar Display:

ICl₄^-
Distances (length in Å units)

I-Cl
straighte 90^o

Cl-I-Cl
oposite 180^o

Cl-I-Cl
Rotate: 30° about X

open into window + task Central Atom
Iodine tetrafluoride Hybridization ?

VSEPR Table

use the other VESPR table. Use your mouse to manipulate the structures. Click on "open into window" to devote an entire window to a single structure

4 + 0	see-saw (90^o, 180^o)	4	see-saw Display: SF₄Distances (length in Å units) S-F straighte 90^o F-S-F see-saw oposite 180^o F-S-F Rotate: 30° about X Y Z open into window + task Central Atom Sulfur tetrafluoride Hybridization ?
3 + 0	T-shaped (90^o, 180^o)	3	T-shaped Display: BrF₃Distances (length in Å units) B-F straighte 90^o F-Br-F oposite 180^o F-Br-F Rotate: 30° about X Y Z open into window + task Central Atom Bromine trifluoride Hybridization ?
2 + 0	linear (180^o)	2	linear Display: ICl₂^-Distances (length in Å units) I-Cl linear 180^o Cl-I-Cl Rotate: 30° about X Y Z open into window + task Central Atom Iodine dichloride Hybridization ?
s Pairs + p 2 + 0	(Bond Angle) linear (180^o)	Atoms 2	linear Display: BeH₂ Distances (length in Å units) BeH HBeH Rotate: 30° about X Y Z open into window + task Central Atom Beryllium hydride Hybridization ?