Electron/Molecular Domain Structures

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Linear Electron Domain

1 Molecular Shape: Linear

2 Domains

Trigonal Planar Electron Domain

2 Different Molecular Shapes: Trigonal Planar & Bent

3 Domains

Tetrahedral Electron Domain

3 Different Molecular Shapes: Tetrahedral & Trigonal Pyramidal & Bent

4 Domains

Trigonal Bipyramidal Electron Domain

4 Different Molecular Shapes: Trigonal Bipyramidal & Seesaw & T-shaped & Linear

5 Domains

Octahedral Electron Domain

3 Different Molecular Shapes: Octahedral & Square Pyramidal & Square Planar

6 Domains

Linear Molecular Shape

2 bonds, 0 lone pairs, 180^o OR 2 bonds, 3 lone pairs, 180^o

Trigonal Planar Molecular Shape

3 bonds, 0 lone pairs, 120^o

Bent Molecular Shape

2 bonds, 1 lone pair, <120^o OR 2 bonds, 2 lone pairs, <109.5^o

Tetrahedral Molecular Shape

4 bonds, 0 lone pairs, 109.5^o

Trigonal Pyramidal Molecular Shape

3 bonds, 1 lone pair, <109.5^o

Trigonal Bipyramidal Molecular Shape

5 bonds, 0 lone pairs, <90^o and <120^o 

Seesaw Molecular Shape

4 bonds, 1 lone pair, <90^o and <120^o 

T-shaped Molecular Shape

3 bonds, 2 lone pairs, <90^o 

Octahedral Molecular Shape

6 bonds, 0 lone pairs, 90^o 

Square Pyramidal Molecular Shape

5 bonds, 1 lone pair, <90^o 

Square Planar Molecular Shape

4 bonds, 2 lone pairs, 90^o