data_[Rb4Mn4Cu4As8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mn  1.5500  1.4000  0.6483
  Cu  1.9000  1.3500  0.8200
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Cmme]
_cell_length_a [5.4803]
_cell_length_b [15.4605]
_cell_length_c [5.5158]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [67]
_chemical_formula_structural [RbMnCuAs2]
_chemical_formula_sum '[Rb4 Mn4 Cu4 As8]'
_cell_volume [467.3468]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  4  0.0000  0.2500  0.2216  1
  Mn  Mn1  4  0.2500  0.0000  0.5000  1
  Cu  Cu2  4  0.0000  0.0000  0.0000  1
  As  As3  8  0.0000  0.1053  0.6926  1
]