data_[Zn4Cu2P4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [19.2174]
_cell_length_b [3.5906]
_cell_length_c [7.4566]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Zn2CuP2]
_chemical_formula_sum '[Zn4 Cu2 P4]'
_cell_volume [514.5219]
_cell_formula_units_Z [2]
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
[
  Zn  Zn0  4  0.1097  0.0000  0.8382  1
  Cu  Cu1  2  0.0000  0.0000  0.0421  1
  P  P2  4  0.0868  0.0000  0.5358  1
]