Si 
 1.0000000000000000
     6.5912743880264877   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.5912743880264877    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.5912743880264877
 Si 
  16
Selective dynamics
Cartesian
  0.6696909335441811  0.6696909335441811  0.6696909335441812   T   T   T
  2.6259462604690635  5.9215834544823096  3.9653281275574250   T   T   T
  5.9215834544823096  3.9653281275574250  2.6259462604690635   T   T   T
  3.9653281275574250  2.6259462604690635  5.9215834544823096   T   T   T
  3.9653281275574250  3.9653281275574250  3.9653281275574250   T   T   T
  5.9215834544823096  2.6259462604690635  0.6696909335441811   T   T   T
  2.6259462604690635  0.6696909335441811  5.9215834544823096   T   T   T
  0.6696909335441811  5.9215834544823096  2.6259462604690635   T   T   T
  5.9215834544823096  5.9215834544823096  5.9215834544823096   T   T   T
  3.9653281275574250  0.6696909335441811  2.6259462604690635   T   T   T
  0.6696909335441811  2.6259462604690635  3.9653281275574250   T   T   T
  2.6259462604690635  3.9653281275574250  0.6696909335441811   T   T   T
  2.6259462604690635  2.6259462604690635  2.6259462604690635   T   T   T
  0.6696909335441811  3.9653281275574250  5.9215834544823096   T   T   T
  3.9653281275574250  5.9215834544823096  0.6696909335441811   T   T   T
  5.9215834544823096  0.6696909335441811  3.9653281275574250   T   T   T