This page is designed for use without the plug-in Chime. If you do have this plug-in, use the other VESPR table.
Click on an image to download a PDB file.
Fei Liu and Marcus Horne contributed to this page.
| No. of Electron Pairs |
Electron Pair Geometry (Bond Angle) |
No. of Pendant Atoms |
Molecular Geometry | Example |
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|---|---|---|---|---|---|---|
| Formula | Image | |||||
| 2 | linear (180o) |
2 | linear | BeH2 |  |
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| 3 | trigonal planar (120o) |
3 | trigonal planar | CO32- |  |
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| 2 | bent | NO2- |  |
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| 4 | tetrahedral (109.5o) |
4 | tetrahedral | CH4 |  |
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| 3 | trigonal pyramidal | NH3 |  |
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| 2 | bent | H2O |  |
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| 5 | trigonal bipyramidal (90o, 120o) |
5 | trigonal bipyramidal | PCl5 |  |
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| 4 | see-saw | SF4 |  |
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| 3 | T-shaped | BrF3 |  |
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| 2 | linear | ICl2- |  |
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| 6 | octahedral (90o) |
6 | octahedral | SF6 |  |
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| 5 | square pyramidal | BrF5 |  |
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| 4 | square planar | ICl4- |  |
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