data_[Rb2Cu2Sn1Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cu  1.9000  1.3500  0.8200
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.3185]
_cell_length_b [7.2498]
_cell_length_c [9.0121]
_cell_angle_alpha [104.8721]
_cell_angle_beta [104.0144]
_cell_angle_gamma [105.9738]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Rb2Cu2SnTe4]
_chemical_formula_sum '[Rb2 Cu2 Sn1 Te4]'
_cell_volume [304.0340]
_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
[
  Rb  Rb0  2  0.0763  0.7382  0.3876  1.0
  Cu  Cu1  2  0.4205  0.4332  0.1066  1.0
  Sn  Sn2  1  0.0000  0.0000  0.0000  1.0
  Te  Te3  2  0.3461  0.3139  0.3403  1.0
  Te  Te4  2  0.4810  0.8063  0.1208  1.0
]