data_[Rb2Cu2Sn2Te4]
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 [P2/c]
_cell_length_a [8.8340]
_cell_length_b [5.2229]
_cell_length_c [8.5311]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.0329]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [RbCuSnTe2]
_chemical_formula_sum '[Rb2 Cu2 Sn2 Te4]'
_cell_volume [369.8027]
_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
[
  Rb  Rb0  2  0.5000  0.2211  0.7500  1
  Cu  Cu1  2  0.0000  0.0000  0.0000  1
  Sn  Sn2  2  0.0000  0.3533  0.2500  1
  Te  Te3  4  0.2240  0.2808  0.9928  1
]