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Point Groups

Point Groups. (Crystal Systems) Roya Majidi 1393. 2D. The five Bravais lattices in 2 dimensions. 2D. 2D. P, C. 2D. P, C. 2D. 2D. 2D. 2-D Symmetry. The original 6 elements plus the 4 combinations creates 10 possible 2-D Point Groups : 1 2 3 4 6 m 2mm 3m 4mm 6mm

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Point Groups

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  1. Point Groups (Crystal Systems) Roya Majidi 1393

  2. 2D The five Bravais lattices in 2 dimensions

  3. 2D

  4. 2D P, C

  5. 2D P, C

  6. 2D

  7. 2D

  8. 2D

  9. 2-D Symmetry The original 6 elements plus the 4 combinations creates 10 possible 2-D Point Groups: 1 2 3 4 6 m 2mm 3m 4mm 6mm Any 2-D pattern of objects surrounding a point must conform to one of these groups

  10. 3D The 14 Bravais lattices in 3 dimensions

  11. سه میلی

  12. تک میلی

  13. راست گوشی

  14. چهار گوشی

  15. مکعبی

  16. سه گوشی / رومبوهدرال

  17. شش گوشی

  18. Crystallographic Point Groups Stereographic projections of point group symmetry (“+” is in the northern hemisphere and “o” is in the southern hemisphere)

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