data_[Y2Mn2Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Mn  1.5500  1.4000  0.6483
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.1098]
_cell_length_b [3.4303]
_cell_length_c [10.1490]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [YMnCu2]
_chemical_formula_sum '[Y2 Mn2 Cu4]'
_cell_volume [143.0798]
_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
[
  Y  Y0  2  0.5000  0.0000  0.5928  1
  Mn  Mn1  2  0.0000  0.0000  0.8915  1
  Cu  Cu2  2  0.0000  0.0000  0.1904  1
  Cu  Cu3  2  0.5000  0.0000  0.3253  1
]