What is the general formula?
AX2
Name of electron domain.
Trigonal planar (electron domain geometry)
Name of electron domain.
Tetrahedral electron domain geometry
Give an example. Draw it.
What is the general formula?
What is second general formula?
AX3
AX2E1
1. General formula.
2. General formula
3. General formula
AX4
AX3E1
AX2E2
Name of 3-D shape.
Triatomic linear
Give an example. Draw it.
Give another. Draw.
Ex. COCl2
Ex. SnF2
1. Example
2. Example
3. Example
DRAW.
1. CH4
2. NH3
3. H2O
Draw a stereochemical (3-D) shape with bond angles.
Bond angle = 180 degrees
Stereochemical (3-D) drawing with bond angles
Second one.
Bond angle: not all equal, between top and bottom = >120 degrees, between two lower ones= <120 degrees
Bond angle: <120 degrees
Name the 3-D shape.
1.
2.
3.
Tetrahedral
Trigonal pyramidal
Bent
Name 3-D shape.
Name second.
Trigonal planar.
Bent.
Stereochemical drawings + bond angles.
1.
2.
3.
Bond angle: 109.5 (top to bottom)
Bond angle: <109.5 (except for NH3- 107.3)
Bond angle: <109.5(for H2O- 104.5)