【正文】
I F 2. Tetragonal P I 3. Orthorhombic P I F C 4. Hexagonal P 5. Trigonal P 6. Monoclinic P C 7. Triclinic P Shiv K. Gupta Department of Applied Mechanics, IIT Delhi Orthorhombic C Endcentred orthorhombic Basecentred orthorhombic Shiv K. Gupta Department of Applied Mechanics, IIT Delhi 14 Bravais lattices divided into seven crystal systems Crystal system Bravais lattices 1. Cubic P I F 2. Tetragonal P I 3. Orthorhombic P I F C 4. Hexagonal P 5. Trigonal P 6. Monoclinic P C 7. Triclinic P ? Shiv K. Gupta Department of Applied Mechanics, IIT Delhi Endcentred cubic not in the Bravais list ? Endcentred cubic = Simple Tetragonal Shiv K. Gupta Department of Applied Mechanics, IIT Delhi 14 Bravais lattices divided into seven crystal systems Crystal system Bravais lattices 1. Cubic P I F C 2. Tetragonal P I 3. Orthorhombic P I F C 4. Hexagonal P 5. Trigonal P 6. Monoclinic P C 7. Triclinic P Shiv K. Gupta Department of Applied Mechanics, IIT Delhi Facecentred cubic in the Bravais list ? Cubic F = Tetragonal I Problem Shiv K. Gupta Department of Applied Mechanics, IIT Delhi 14 Bravais lattices divided into seven crystal systems Crystal system Bravais lattices 1. Cubi