data_image0
_chemical_formula_structural       Cu2Se2Ag
_chemical_formula_sum              "Cu2 Se2 Ag1"
_cell_length_a       3.978776334057634
_cell_length_b       3.978776328227555
_cell_length_c       19.27219521
_cell_angle_alpha    90.0
_cell_angle_beta     90.0
_cell_angle_gamma    119.99999996552647

_space_group_name_H-M_alt    "P 1"
_space_group_IT_number       1

loop_
  _space_group_symop_operation_xyz
  'x, y, z'

loop_
  _atom_site_type_symbol
  _atom_site_label
  _atom_site_symmetry_multiplicity
  _atom_site_fract_x
  _atom_site_fract_y
  _atom_site_fract_z
  _atom_site_occupancy
  Cu  Cu1       1.0  0.3333333296534111  0.6666666710357176  0.5809495788103322  1.0000
  Cu  Cu2       1.0  0.6666666702123037  0.33333332971552604  0.4190504014721424  1.0000
  Se  Se1       1.0  0.3333333296534111  0.6666666710357176  0.390043384684043  1.0000
  Se  Se2       1.0  0.6666666702123037  0.33333332971552604  0.6099566251747198  1.0000
  Ag  Ag1       1.0  0.0  0.0  0.49999999974055886  1.0000