2.晶体结构与空间点阵-C The 14 possible BRAVAIS LATTICES inote that spheres in this picture represent lattice points, not atoms. g CUBIC ORTHORHOMBIC E ≠b本C HEXAGONAL TRIGONAL单 =b b=c P MONOCLINIC a≠b≠C 4 Types of Unit Cell Primitive c=y=90° 1= body-Centred β*120° F= Face-Centred C= Side-centred TRICLINIC a≠b≠C 7 Crystal Classes 双≠阝*y*90 →14 Bravais latticesThe 14 possible BRAVAIS LATTICES {note that spheres in this picture represent lattice points, not atoms!} 2. 晶体结构与空间点阵-C