[CIF]
data_Cu2As
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.42676674
_cell_length_b   4.42676674
_cell_length_c   4.42676674
_cell_angle_alpha   135.33000076
_cell_angle_beta   135.33000076
_cell_angle_gamma   65.01788314
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cu2As
_chemical_formula_sum   'Cu2 As1'
_cell_volume   42.25924200
_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
  As  As0  1  0.00000000  0.00000000  0.00000000  1
  Cu  Cu1  1  -0.00000000  0.00000000  4.98491030  1
  Cu  Cu2  1  -0.00000000  0.00000000  2.48134164  1
[/CIF]
