Si 
 1.0000000000000000
     6.6445285491209454   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.6445285491209454    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.6445285491209454
 Si 
  16
Selective dynamics
Cartesian
  0.6696242579628753  0.6696242579628753  0.6696242579628753   T   T   T
  2.6526400165975978  5.9749042911580705  3.9918885325233475   T   T   T
  5.9749042911580705  3.9918885325233475  2.6526400165975978   T   T   T
  3.9918885325233475  2.6526400165975978  5.9749042911580705   T   T   T
  3.9918885325233475  3.9918885325233475  3.9918885325233475   T   T   T
  5.9749042911580705  2.6526400165975978  0.6696242579628752   T   T   T
  2.6526400165975978  0.6696242579628753  5.9749042911580705   T   T   T
  0.6696242579628753  5.9749042911580705  2.6526400165975978   T   T   T
  5.9749042911580705  5.9749042911580705  5.9749042911580705   T   T   T
  3.9918885325233475  0.6696242579628752  2.6526400165975978   T   T   T
  0.6696242579628753  2.6526400165975978  3.9918885325233475   T   T   T
  2.6526400165975978  3.9918885325233475  0.6696242579628752   T   T   T
  2.6526400165975978  2.6526400165975978  2.6526400165975978   T   T   T
  0.6696242579628753  3.9918885325233475  5.9749042911580705   T   T   T
  3.9918885325233475  5.9749042911580705  0.6696242579628752   T   T   T
  5.9749042911580705  0.6696242579628753  3.9918885325233475   T   T   T