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Question

What is the center of symmetry?


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Solution

Center of symmetry

  • In their crystal lattices, covalent molecules and ionic compounds have a certain arrangement that gives them symmetry.
  • A point is nothing more than one atom from a certain molecule or an ion that is present in an ionic lattice in a crystal.
  • Any point in space that can be used as a mirror to reflect any group on a molecule back through it in the opposite direction and obtain an equivalent group is known as a center of symmetry.
  • A molecule has a center of symmetry when an identical atom is located diametrically opposite and equally away from the center.

Example

  • Trans-2,4-dimethyl-cyclobuthene-trans-1,3-dicarboxylicacid has center of symmetry.
  • Structure:

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