原子坐标：方的可以描述不方的
魔方是立方体，但是也可以描述其他低对称性的物体。
Zn是典型的六方晶体（A3），用刀把魔方切出一个六角形，魔方就可以描述A3晶体了。
Zn的a=2.6650；c=4.9470。
" 原子坐标(x,y,z) 键距 d 配位数 Z
" (x,y,z) d=",2.6649," Z=",6
-2.665,0,0
-1.3325,-2.308,0
-1.3325,2.308,0
1.3325,-2.308,0
1.3325,2.308,0
2.665,0,0
" (x,y,z) d=",2.913," Z=",6
-1.3325,-.7693,-2.4735
0,1.5386,-2.4735
1.3325,-.7693,-2.4735
-1.3325,-.7693,2.4735
0,1.5386,2.4735
1.3325,-.7693,2.4735
" (x,y,z) d=",3.9481," Z=",6
-2.665,1.5386,-2.4735
0,-3.0773,-2.4735
2.665,1.5386,-2.4735
-2.665,1.5386,2.4735
0,-3.0773,2.4735
2.665,1.5386,2.4735
" (x,y,z) d=",4.6159," Z=",6
-3.9975,-2.308,0
-3.9975,2.308,0
0,-4.6159,0
0,4.6159,0
3.9975,-2.308,0
3.9975,2.308,0
" (x,y,z) d=",4.7634," Z=",12
-3.9975,-.7693,-2.4735
-2.665,-3.0773,-2.4735
-1.3325,3.8466,-2.4735
1.3325,3.8466,-2.4735
2.665,-3.0773,-2.4735
3.9975,-.7693,-2.4735
-3.9975,-.7693,2.4735
-2.665,-3.0773,2.4735
-1.3325,3.8466,2.4735
1.3325,3.8466,2.4735
2.665,-3.0773,2.4735
3.9975,-.7693,2.4735
" (x,y,z) d=",4.947," Z=",2
0,0,-4.947
0,0,4.947
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