Na  O Si 
 1.0000000000000000
     5.6144465860587403   -0.1496766047050571   -0.1210764961783084
     1.9737471154712709    5.0925766486236039   -0.3589293338278024
     0.9786869685232673    1.7892263739975560    6.9223673553477996
 Na  O   Si 
   8   8   2
Selective dynamics
Cartesian
  5.9266199918215872  4.1074176159686493 -0.0927062953496002   T   T   T
  2.6402606782316873  2.6247088019474574  6.5350678206913004   T   T   T
  2.8977604503792436  3.4229035509469998  3.7233656503322150   T   T   T
  5.6691202196740242  3.3092228669690935  2.7189958750094774   T   T   T
  1.9055647912076097  0.8132536277403388  2.7068457349008872   T   T   T
  6.6613158788456612  5.9188727901757581  3.7355157904408016   T   T   T
  3.0546276825383827  3.3479149754890525  0.7284881442070930   T   T   T
  5.5122529875148905  3.3842114424270457  5.7138733811345954   T   T   T
  6.6087539823667170  2.1799883844927339  1.0222959994656562   T   T   T
  1.9581266876865537  4.5521380334233603  5.4200655258760353   T   T   T
  7.3912737454686042  4.6589518118976869  1.8859591420436472   T   T   T
  1.1756069245846774  2.0731746060184233  4.5564023832980398   T   T   T
  3.5152990547217167  1.1447613160635441  1.0845884279901130   T   T   T
  5.0515816153315551  5.5873651018525559  5.3577730973515800   T   T   T
  3.8991159915795164  1.8134048855305553  2.1682098831180934   T   T   T
  4.6677646784737448  4.9187215323855504  4.2741516422236021   T   T   T
  5.2523059344477776  1.0745506095012995  1.3251698350408119   T   T   T
  3.3145747356054942  5.6575758084148013  5.1171916903008876   T   T   T