data_[Cu1As1Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  As  2.1800  1.1500  0.6600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [3.2218]
_cell_length_b [3.1963]
_cell_length_c [8.1563]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.8579]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [CuAsCl2]
_chemical_formula_sum '[Cu1 As1 Cl2]'
_cell_volume [83.6891]
_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  0.0000  0.5000  0.0000  1
  As  As1  1  0.0000  0.5000  0.5000  1
  Cl  Cl2  2  0.0436  0.0000  0.7962  1
]