Orthorhombic a≠b≠c 0=阝=y=90° 90990° a -90° P (Primitive) C-centered or A-centered or B-centered Orthorhombic a≠b≠c 0= β=y=90° 90990 a 90 P C or A or B I (In-centered)F(Face-centered)
* Orthorhombic a≠b≠c α= β =γ =90º b 90° 90° 90° a c P (Primitive) C-centered or A-centered or B-centered * Orthorhombic a≠b≠c α= β =γ =90º P C or A or B I (In-centered) F (Face-centered)
Face-centered cell and its primitive cell A Face-centered unit cell contains four lattice points Trigonal Rhombohedral a-b-c =阝=Y≠90°
A Face-centered unit cell contains four lattice points. Face-centered cell and its primitive cell * Trigonal ---- Rhombohedral a=b=c α= β =γ ≠ 90º
Tetragonal a=b≠c 0=阝=y=90° 90° 909 a 90, b P Hexaagonal a=b≠c 0=阝=90° Y=120° Unit cell 90%* 90° b a H20°
* Tetragonal a=b≠c α= β =γ =90º b 90° 90° 90° a c P I * Hexaagonal a=b≠c α= β =90º, γ =120º Unit cell b 90° 90° a 120° c
Cubic a-b-c a=β=Y=90° 120° F b.Bravais Lattice:(14) Unit Cell:have maximum symmetry and minimum size Centred Unit cell: Crystal P C F systems Triclinic Monoclinic 的
a=b=c α= β = γ =90º * Cubic 90° 90° 120° a b c P I F Crystal systems P C I F Triclinic Monoclinic b. Bravais Lattice: (14) Unit Cell: have maximum symmetry and minimum size Centred Unit cell:
Orthorhombic 中家图 Trigonal Tetragonal 唧 Hexagonal Cubic Monoclinic Tetragonal I=C C=P
Orthorhombic Trigonal Tetragonal Hexagonal Cubic Monoclinic I = C Tetragonal C = P