Introduction to Crystal Geometry |
Contents
Translational order | 10 |
The point groups | 31 |
Contents Chapter 7 Application of pointgroup symmetries to crystals | 52 |
Copyright | |
5 other sections not shown
Common terms and phrases
4-fold axis a b c angle atoms cell edges Chapter coordinate system corresponding crystal geometry crystal systems crystallographic crystallographic point groups development in class diagram dihexagonal ditetragonal ditrigonal duplicate enantiomorphic Enantiomorphic forms Example of form form development glide plane group 4 m m hexagonal dipyramid homogeneous pattern illustrated in Fig improper rotations indices inversion center isogonal space groups lattice points lattice translation lattice type m c m m m m metries mirror monoclinic motif units n-fold origin orthorhombic parallel pedion pinacoid plane lattices point-group symmetries posi position by symmetry primitive cell proper rotation pyramid Repetition represented result of combining rhombohedron rotation axis rotoinversion screw axes second sort shown in Fig space groups isogonal space lattices Special positions symmetrical set symmetry elements symmetry operations system Point group t₁ tetragonal prism tions of symmetry transformations translation component trapezohedron triclinic trigonal Trigonal trapezohedron trisoctahedron اته