晶面间距计算公式.doc

晶面间距计算公式

正交晶系
1/d2=h2/a2+k2/b2+l2/c2
单斜晶系
1/d2={h2/a2+k2sin2β/b2+l2/c2－2hlcosβ/(ac)}/ sin2β
立方晶系
d=a/(h2+k2+l2)
六角晶系

四角晶系

单斜晶系

三斜晶系

If Φ is the angle between plane (h1 k1 l1) and (h2 k2 l2), then for
Orthorhombic

Tetragonal

Cubic

Hexagonal

VOLUME:
Orthorhombic: =
Tetragonal: =
Cubic: =
Hexagonal: =
hcp transition between (UVW) and (uvtw)
U=u-t, V=v-t, W=w
u=1/3(2U-V), v=1/3(2V-U), t= - (u+v), w=W.