data_stdin
_audit_creation_method 'critic2-4f1eba8'
_cell_length_a         7.7650000000
_cell_length_b         7.7650000000
_cell_length_c         5.6275000000
_cell_angle_alpha        90.0000
_cell_angle_beta        90.0000
_cell_angle_gamma       120.0000
_cell_volume           293.852274
_space_group_crystal_system trigonal
_space_group_IT_number 159
_space_group_name_H-M_alt 'P31c'
_space_group_name_Hall 'P 3 -2c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-y,x-y,z'
  '-x+y,-x,z'
  'y,x,-1/2+z'
  'x-y,-y,-1/2+z'
  '-x,-x+y,-1/2+z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si     Si     0.51060000000000     0.08150000000000     0.19040000000000
Si     Si     0.16580000000000     0.25200000000000     0.98320000000000
N      N      0.00000000000000     0.00000000000000     0.97100000000000
N      N      0.33333333000000     0.66666667000000     0.63400000000000
N      N      0.34880000000000     0.96170000000000     0.97800000000000
N      N      0.30920000000000     0.35460000000000     0.23000000000000
