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crystallographic point group

crystallographic point group

In crystal symmetry, all the combinations of symmetries that exist with respect to a fixed point in a crystal are called "crystallographic point groups." Symmetry elements consist of rotation(1-, 2-, 3-, 4- and 6-fold), rotary inversion(4-), mirror(m) and inversion(i). 32 independent point groups are constructed by the combinations of the 8 symmetry elements.

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