Na Si 
 1.0000000000000000
    11.1705698877285649    0.0000000000000000   -0.1787949451348318
     0.0000000000000000    5.1030977926285832   -0.0000000000000000
    -6.4081983401220448   -0.0000000000000001    9.0293253101473656
 Na  Si 
  16  16
Selective dynamics
Cartesian
  0.4611082398351260  4.4087878839222912  2.9413492903373899   T   T   T
  7.5053624778324233  4.4087878839222912  1.3945184196014759   T   T   T
  6.0463931836994069  1.8572389876079911  2.8519518177699710   T   T   T
  1.9200775339681322  1.8572389876079911  1.4839158921688931   T   T   T
  4.3012633077714062  0.6943099087063006  5.9091810746751712   T   T   T
 -2.7429909302258961  0.6943099087063008  7.4560119454110820   T   T   T
 -1.2840216360928873  3.2458588050205925  5.9985785472425848   T   T   T
  2.8422940136383925  3.2458588050205925  7.3666144728436640   T   T   T
  4.3936325594657815  3.3761833058986972  0.0667884024265049   T   T   T
  3.5728381582017756  3.3761833058986972  4.2690793075123610   T   T   T
  9.9789175033300630  0.8246344095844060 -0.0226090701409112   T   T   T
 -2.0124467856625148  0.8246344095844060  4.3584767800797879   T   T   T
  0.3687389881407492  1.7269144867298865  8.7837419625860544   T   T   T
  1.1895333894047511  1.7269144867298867  4.5814510575001925   T   T   T
 -5.2165459557235376  4.2784633830441807  8.8731394351534760   T   T   T
  6.7748183332690388  4.2784633830441834  4.4920535849327825   T   T   T
  2.9026725499638428  4.4441465958157886  1.9011036313505638   T   T   T
  5.0637981677037001  4.4441465958157886  2.4347640785882985   T   T   T
  8.4879574938281266  1.8925976995014957  1.8117061587831462   T   T   T
 -0.5214867761605874  1.8925976995014957  2.5241615511557187   T   T   T
  1.8596989976426774  0.6589511968127958  6.9494267336619959   T   T   T
 -0.3014266200971766  0.6589511968127958  6.4157662864242644   T   T   T
 -3.7255859462216150  3.2105000931270902  7.0388242062294077   T   T   T
  5.2838583237671228  3.2105000931270902  6.3263688138568428   T   T   T
  3.6319936908571857  0.8382324692096270  3.2791446961083754   T   T   T
  4.3344770268103616  0.8382324692096271  1.0567230138304904   T   T   T
 -1.9532912530070972  3.3897813655239197  3.3685421686757917   T   T   T
  9.9197619706746316  3.3897813655239188  0.9673255412630752   T   T   T
  1.1303778567493337  4.2648653234189542  5.5713856689041830   T   T   T
  0.4278945207961666  4.2648653234189560  7.7938073511820702   T   T   T
  6.7156628006136252  1.7133164271046661  5.4819881963367765   T   T   T
 -5.1573904230681089  1.7133164271046661  7.8832048237494918   T   T   T