An Introduction to Mathematical Crystallography |
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2-fold axes according angles appears Appendix arises arrays atoms axial axis bearing in mind body-centred Bravais centre Chapter choosing coincides combined configurations considerations consists constitute construct coordinates corresponding crystal crystallographic cube cubic cyclic defined describes directions distinct edges equation equivalent exhibits exists face-centred factor group follows further geometrical given glide Hence hexagonal hexagonal cell horizontal 2-fold axis identical implies independent indicated integers introduced lattice point lattice vector lines located macroscopic mathematical mirror monoclinic motif structure non-primitive obtain operators origin orthorhombic parallel passing pattern perpendicular plane point groups positions possibilities primitive cubic PROBLEMS produces properties Prove reciprocal lattice referred reflection regarded relation relative replaced respectively rotation screw seen showing Similar Similarly space groups space lattice stacking symbol symmetry symmetry axis Table tetragonal tetrahedral transformation translation unit cell vertical mirror virtue wave write yields zone