data_[Rb4Ca4Mo2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ca  1.0000  1.8000  1.1400
  Mo  2.1600  1.4500  0.7750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.8824]
_cell_length_b [9.9575]
_cell_length_c [6.8455]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.6402]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Ca2MoO6]
_chemical_formula_sum '[Rb4 Ca4 Mo2 O12]'
_cell_volume [384.1756]
_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  4  0.0000  0.1701  0.0000  1
  Ca  Ca1  4  0.0000  0.3359  0.5000  1
  Mo  Mo2  2  0.0000  0.0000  0.5000  1
  O  O3  8  0.1955  0.1435  0.6659  1
  O  O4  4  0.2225  0.0000  0.3319  1
]