data_CuAg7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.25
_cell_length_b   6.25
_cell_length_c   9.26
_cell_angle_alpha   127.36
_cell_angle_beta   127.36
_cell_angle_gamma   25.84
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuAg7
_chemical_formula_sum   'Cu1 Ag7'
_cell_volume   123.26
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  '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  Cu7  1  0.0  0.0  0.0  1.0
  Ag  Ag0  1  0.56  0.0  0.34  1.0
  Ag  Ag1  1  0.72  0.0  0.44  1.0
  Ag  Ag2  1  0.05  0.0  0.53  1.0
  Ag  Ag3  1  0.2  0.0  0.62  1.0
  Ag  Ag4  1  0.36  0.0  0.72  1.0
  Ag  Ag5  1  0.69  0.0  0.81  1.0
  Ag  Ag6  1  0.84  0.0  0.91  1.0

data_CuAg7
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.79
_cell_length_b   6.25
_cell_length_c   7.39
_cell_angle_alpha   85.15
_cell_angle_beta   79.11
_cell_angle_gamma   77.08
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CuAg7
_chemical_formula_sum   'Cu1 Ag7'
_cell_volume   123.26
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  '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  Cu0  1  0.0  0.0  0.0  1.0
  Ag  Ag1  1  0.0  0.22  0.34  1.0
  Ag  Ag2  1  0.0  0.28  0.44  1.0
  Ag  Ag3  1  0.0  0.52  0.53  1.0
  Ag  Ag4  1  0.0  0.58  0.62  1.0
  Ag  Ag5  1  0.0  0.64  0.72  1.0
  Ag  Ag6  1  0.0  0.88  0.81  1.0
  Ag  Ag7  1  0.0  0.94  0.91  1.0

Cu Ag Ag Ag Ag Ag Ag Ag
Cu Ag Ag Ag Ag Ag Ag Ag 0 7 - o - 1 2 o o o 3 4 o o o 4 5 o o o 6 7 o o o 