晶体结构的基础知识()NaCl 1 ()abgabc a b c g b a,acaa=bc a=b=g=90 Cubic a=b=c a=b=g=90Hexagonal a=bc a=g=90;b=120Tetragonal a=bc a=b=g=90Rhombohedral a=b=c a=b=g90Orthorhombic a bc a=b=g=90Monoclinic a bc a=g=90;b90Triclinic a bc abg90 System Axes Axial angles C abcc/2a/32b/3 2 X X 0.001 100nm()1212()A CB2 sin=AB+BCAB=BC=sin(2 X PS 211220300410311330321222421 2 X X-ray diffraction Pattern-amorphous halos
