data_[Rb4Tl4C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [13.0742]
_cell_length_b [5.8611]
_cell_length_c [6.5998]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.5765]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [RbTlC]
_chemical_formula_sum '[Rb4 Tl4 C4]'
_cell_volume [444.1284]
_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  2  0.3994  0.0000  0.4297  1
  Rb  Rb1  2  0.4657  0.5000  0.0512  1
  Tl  Tl2  2  0.1690  0.0000  0.7909  1
  Tl  Tl3  2  0.1770  0.5000  0.0227  1
  C  C4  2  0.3733  0.0000  0.9060  1
  C  C5  2  0.4779  0.0000  0.9465  1
]