Electron Pair Geometry

Linear angle

180 degrees

Linear ball and stick model

Linear spatial arrangement

Linear number of regions

2 RHEDs

Trigonal Planar angle

120 degrees (angles)

Trigonal planar ball and stick model

Trigonal Planar spatial arrangement

Trigonal Planar number of regions

3 RHEDs

Tetrahedral angle

109.5 degrees (all angles)

Tetrahedral ball and stick model

Tetrahedral line-dash-wedge notation

Tetrahedral spatial arrangement

Tetrahedral number of regions

4 RHEDs

Trigonal Bipyramidal angle

angles of 90 degrees and 120 degrees

Trigonal Bipyramidal ball and stick model

Trigonal Bipyramidal line-dash-wedge notation

Trigonal Bipyramidal spatial arrangement

Trigonal Bipyramidal number of regions

5 RHEDs

Octahedral angles

all angles 90 degrees or 180 degrees

Octahedral ball and stick model

Octahedral line-dash-wedge notation

Octahedral spatial arrangement

Octahedral number of regions

6 RHEDs