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| Introduction |
| Symmetry Elements |
| · Proper Rotation Axis |
| · Mirror Plane |
| · Inversion Centre |
| · Improper Rotation Axis |
| · Identity |
| Point Group Gallery |
| Spotting a Chiral Compound |
| · Part I - Mirror Planes |
| · Part II - Inversion Centre |
| · Part III - Improper Rotation |
| · Summary & Conclusion |
| WSM Homepage |
Molecular Symmetry and Chirality
Inversion Centre
Note: viewing the structures on these pages requires use of
the MDL Chime Plug-In.
The i operation inverts the molecule, by moving all atoms through a point at the centre, to a position at equal distance on the opposite side.
If the configuration of a molecule is unchanged as a result of inversion, the molecule has an inversion centre i. The i centre may or may not be coincident with an atom.
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(E)-1,2-dichloroethene has an inversion centre between the two carbon atoms.
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This page is maintained and copyright by W. Stephen McNeil at UBC Okanagan.
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