Predicting Molecular Geometry and Hybridization

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2. Bent. (AX2 E2 ). 120. 109.5. 4. 3. Trigonal Planar. (sp2 ). Tetrahedral. (sp3 ). Geometry. Examples. VSEPR. Predicting Molecular Geometry and Hybridization  ...
VSEPR Predicting Molecular Geometry and Hybridization Electron Groups

Bonding Groups

Lone Pairs

2

2

0

3

0

Linear (sp)

Linear (AX 2 )

Approximate Bond Angles 180

Trigonal Planar (AX 3 ) Trigonal Planar

3

4

Electron Geometry Molecular Geometry (Hybridization) (VSEPR class)

120

(sp 2 ) 2

1

Bent (AX 2 E)

4

0

Tetrahedral (AX 4 )

3

1

2

2

Tetrahedral (sp 3 )

Trigonal Pyramidal (AX 3 E)

Bent (AX 2 E 2 )

109.5

Geometry Examples

Electron Groups

Bonding Groups

Lone Pairs

5

0

Trigonal Bipyramidal (AX 5 )

1

Seesaw (AX 4 E)

4 5

Electron Geometry Molecular Geometry (Hybridization) (VSEPR class)

Trigonal Bipyramidal (sp 3 d)

6

3

2

T-Shaped (AX 3 E 2 )

2

3

Linear (AX 2 E 3 )

6

0

Octahedral (AX 6 )

5

1

Square Pyrimidal (AX 5 E)

4

2

3

3

T-Shaped (AX 3 E 3 )

2

4

Linear (AX 2 E 4 )

Octahedral 3

2

(sp d )

Square Planar (AX 4 E 2 )

Approximate Bond Angles

120 (in plane) 90 (above and below)

180

90

Geometry Examples

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