Al Ca Si 
 1.0000000000000000
     9.4468052100016777   -0.0000000000000000   -0.0000000000000000
    -4.7234026050008389    8.1811732964646406   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.7594095083283730
 Al  Ca  Si 
   1   1   1
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
 -0.0000000000004842  5.4541155309764262  2.8797047541641190   T   T   T
  4.7234026050008469  2.7270577654882131 -0.0000000000000000   T   T   T