O Si 
 1.0000000000000000
     7.4766850835368466    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    7.4766850835368466    0.0000000000000000
     0.0000000000000000    0.0000000000000000    7.4766850835368466
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.9345856354422583  0.9345856354422584  0.9345856354422583   T   T   T
  6.5420994480952901  2.8037569063261416  4.6729281772104629   T   T   T
  2.8037569063261412  4.6729281772104638  6.5420994480952901   T   T   T
  4.6729281772104629  6.5420994480952910  2.8037569063261412   T   T   T
  2.8037569063261412  6.5420994480952910  4.6729281772104629   T   T   T
  6.5420994480952901  4.6729281772104638  2.8037569063261412   T   T   T
  4.6729281772104629  2.8037569063261416  6.5420994480952901   T   T   T
  0.9345856354422583  4.6729281772104638  4.6729281772104629   T   T   T
  6.5420994480952901  6.5420994480952910  0.9345856354422583   T   T   T
  2.8037569063261412  0.9345856354422584  2.8037569063261412   T   T   T
  2.8037569063261412  2.8037569063261416  0.9345856354422583   T   T   T
  6.5420994480952901  0.9345856354422584  6.5420994480952901   T   T   T
  4.6729281772104629  0.9345856354422584  4.6729281772104629   T   T   T
  0.9345856354422583  6.5420994480952910  6.5420994480952901   T   T   T
  0.9345856354422583  2.8037569063261416  2.8037569063261412   T   T   T
  4.6729281772104629  4.6729281772104638  0.9345856354422583   T   T   T
 -0.0000000000000004 -0.0000000000000000 -0.0000000000000004   T   T   T
 -0.0000000000000004  3.7383425417690335  3.7383425417690330   T   T   T
  3.7383425417690330  3.7383425417690335 -0.0000000000000004   T   T   T
  3.7383425417690330  0.0000000000000000  3.7383425417690330   T   T   T
  5.6075138126522823  1.8691712708845167  5.6075138126522823   T   T   T
  1.8691712708845165  1.8691712708845167  1.8691712708845165   T   T   T
  1.8691712708845165  5.6075138126522832  5.6075138126522823   T   T   T
  5.6075138126522823  5.6075138126522832  1.8691712708845165   T   T   T